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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Cheaib R, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Kozyrev EA, Kravchenko EA, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Li Y, Lin DX, Middleton S, Miyashita TS, Ongmongkolkul P, Oyang J, Porter FC, Röhrken M, Meadows BT, Sokoloff MD, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Shuve BJ, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, De Nardo G, Sciacca C, Jessop CP, LoSecco JM, Honscheid K, Gaz A, Margoni M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Bünger C, Dittrich S, Grünberg O, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Kim P, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Sekula SJ, Ahmed H, Tasneem N, Bellis M, Burchat PR, Puccio EMT, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Miller C, Nugent IM, Roney JM, Sobie RJ, Gershon TJ, Harrison PF, Latham TE, Wu SL. Search for Evidence of Baryogenesis and Dark Matter in B^{+}→ψ_{D}+p Decays at BABAR. Phys Rev Lett 2023; 131:201801. [PMID: 38039482 DOI: 10.1103/physrevlett.131.201801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 10/12/2023] [Indexed: 12/03/2023]
Abstract
A new dark sector antibaryon, denoted ψ_{D}, could be produced in decays of B mesons. This Letter presents a search for B^{+}→ψ_{D}+p (and the charge conjugate) decays in e^{+}e^{-} annihilations at 10.58 GeV, using data collected in the BABAR experiment. Data corresponding to an integrated luminosity of 398 fb^{-1} are analyzed. No evidence for a signal is observed. Branching fraction upper limits in the range from 10^{-7}-10^{-5} are obtained at 90% confidence level for masses of 1.0
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Hill GT, Jeyanthi M, Coomer W, Bryant RJ, Colmsee MT, Tozer J, Cox AC, Wilson JR. Same-day discharge robot-assisted laparoscopic prostatectomy: feasibility, safety and patient experience. BJU Int 2023. [PMID: 36866941 DOI: 10.1111/bju.16002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
OBJECTIVES To report a single centre's experience of the feasibility, safety and patient acceptability of same-day discharge robot-assisted laparoscopic prostatectomy (RALP). SUBJECTS/PATIENTS AND METHODS Between June 2015 and December 2021, a total of 180 pre-selected consecutive patients underwent RALP with the intention to discharge on the same day as surgery. Cases were performed by two surgeons. An enhanced recovery after surgery (ERAS) programme was used. The feasibility of same-day discharge was analysed, along with the complication rate, oncological outcomes, and postoperative patient experience. RESULTS Of 180 patients, 169 (93.8%) were successfully discharged on the same day as surgery. The median (range) age was 63 ( 44-74) years. The median (range) console time was 97 (61-256) min and blood loss was 200 (20-800) mL. The resection specimen pathology results were: pT2 69.4%, pT3a 24.4% and pT3b 6.5%. With regard to Gleason Grade Group (GGG), 25.9% had GGG 1, 65.7% had GGG 2-3 and 8.4% had GGG 4-5 disease. Positive surgical margins were present in 25 cases (14.7%), 18 (15.5%) of which occurred in pT2 cases, and seven (13.4%) in pT3 cases. There were no early (<90 days) biochemical relapses (defined as prostate-specific antigen level >0.2 ng/mL). The 30-day readmission rate was 3%. A total of 13 early (0-30 days) complications were observed, five of which were Clavien-Dindo grade ≥3, however, none of these would have been avoided had the patient remained in hospital on the first postoperative night. Of 121 consecutive patients, 107 (88%) returned a satisfaction questionnaire, and 92% of responders stated they preferred recovery at home, with 94% stating they felt ready to go home. CONCLUSION Robot-assisted laparoscopic prostatectomy combined with an ERAS programme allows patients to be safely discharged home on the same day of their surgery. This is a feasible option, well-liked by patients, with morbidity and oncological outcomes similar to non-day-case or 23 h stay RALP.
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Affiliation(s)
| | - Mekha Jeyanthi
- Department of Urology, Royal Gwent Hospital, Newport, UK
| | - William Coomer
- Department of Urology, Royal Gwent Hospital, Newport, UK
| | - Richard J Bryant
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | | | - James Tozer
- Department of Urology, Royal Gwent Hospital, Newport, UK
| | | | - Jim R Wilson
- Department of Urology, Royal Gwent Hospital, Newport, UK
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Allega A, Anderson MR, Andringa S, Antunes J, Askins M, Auty DJ, Bacon A, Barros N, Barão F, Bayes R, Beier EW, Bezerra TS, Bialek A, Biller SD, Blucher E, Caden E, Callaghan EJ, Cheng S, Chen M, Cleveland B, Cookman D, Corning J, Cox MA, Dehghani R, Deloye J, Deluce C, Depatie MM, Dittmer J, Dixon KH, Di Lodovico F, Falk E, Fatemighomi N, Ford R, Frankiewicz K, Gaur A, González-Reina OI, Gooding D, Grant C, Grove J, Hallin AL, Hallman D, Heintzelman WJ, Helmer RL, Hu J, Hunt-Stokes R, Hussain SMA, Inácio AS, Jillings CJ, Kaluzienski S, Kaptanoglu T, Khaghani P, Khan H, Klein JR, Kormos LL, Krar B, Kraus C, Krauss CB, Kroupová T, Lam I, Land BJ, Lawson I, Lebanowski L, Lee J, Lefebvre C, Lidgard J, Lin YH, Lozza V, Luo M, Maio A, Manecki S, Maneira J, Martin RD, McCauley N, McDonald AB, Mills C, Morton-Blake I, Naugle S, Nolan LJ, O'Keeffe HM, Orebi Gann GD, Page J, Parker W, Paton J, Peeters SJM, Pickard L, Ravi P, Reichold A, Riccetto S, Richardson R, Rigan M, Rose J, Rosero R, Rumleskie J, Semenec I, Skensved P, Smiley M, Svoboda R, Tam B, Tseng J, Turner E, Valder S, Virtue CJ, Vázquez-Jáuregui E, Wang J, Ward M, Wilson JR, Wilson JD, Wright A, Yanez JP, Yang S, Yeh M, Yu S, Zhang Y, Zuber K, Zummo A. Evidence of Antineutrinos from Distant Reactors Using Pure Water at SNO. Phys Rev Lett 2023; 130:091801. [PMID: 36930908 DOI: 10.1103/physrevlett.130.091801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/14/2022] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
The SNO+ Collaboration reports the first evidence of reactor antineutrinos in a Cherenkov detector. The nearest nuclear reactors are located 240 km away in Ontario, Canada. This analysis uses events with energies lower than in any previous analysis with a large water Cherenkov detector. Two analytical methods are used to distinguish reactor antineutrinos from background events in 190 days of data and yield consistent evidence for antineutrinos with a combined significance of 3.5σ.
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Affiliation(s)
- A Allega
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - M R Anderson
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - S Andringa
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Avenida Professor Gama Pinto, 2, 1649-003, Lisboa, Portugal
| | - J Antunes
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Avenida Professor Gama Pinto, 2, 1649-003, Lisboa, Portugal
- Universidade de Lisboa, Instituto Superior Técnico (IST), Departamento de Física, Avenida Rovisco Pais, 1049-001, Lisboa, Portugal
| | - M Askins
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720-8153, USA
| | - D J Auty
- Department of Physics, University of Alberta, 4-181 CCIS, Edmonton, Alberta T6G 2E1, Canada
| | - A Bacon
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
| | - N Barros
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Avenida Professor Gama Pinto, 2, 1649-003, Lisboa, Portugal
- Universidade de Lisboa, Faculdade de Ciéncias (FCUL), Departamento de Física, Campo Grande, Edifício C8, 1749-016, Lisboa, Portugal
| | - F Barão
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Avenida Professor Gama Pinto, 2, 1649-003, Lisboa, Portugal
- Universidade de Lisboa, Instituto Superior Técnico (IST), Departamento de Física, Avenida Rovisco Pais, 1049-001, Lisboa, Portugal
| | - R Bayes
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - E W Beier
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
| | - T S Bezerra
- Physics & Astronomy, University of Sussex, Pevensey II, Falmer, Brighton, BN1 9QH, United Kingdom
| | - A Bialek
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - S D Biller
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - E Blucher
- The Enrico Fermi Institute and Department of Physics, The University of Chicago, Chicago, Illinois 60637, USA
| | - E Caden
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - E J Callaghan
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720-8153, USA
| | - S Cheng
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - M Chen
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - B Cleveland
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - D Cookman
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - J Corning
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - M A Cox
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Avenida Professor Gama Pinto, 2, 1649-003, Lisboa, Portugal
- Department of Physics, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - R Dehghani
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - J Deloye
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - C Deluce
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - M M Depatie
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - J Dittmer
- Technische Universität Dresden, Institut für Kern und Teilchenphysik, Zellescher Weg 19, Dresden 01069, Germany
| | - K H Dixon
- Department of Physics, King's College London, Strand Building, Strand, London WC2R 2LS, United Kingdom
| | - F Di Lodovico
- Department of Physics, King's College London, Strand Building, Strand, London WC2R 2LS, United Kingdom
| | - E Falk
- Physics & Astronomy, University of Sussex, Pevensey II, Falmer, Brighton, BN1 9QH, United Kingdom
| | - N Fatemighomi
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - R Ford
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - K Frankiewicz
- Department of Physics, Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, USA
| | - A Gaur
- Department of Physics, University of Alberta, 4-181 CCIS, Edmonton, Alberta T6G 2E1, Canada
| | - O I González-Reina
- Universidad Nacional Autónoma de México (UNAM), Instituto de Física, Apartado Postal 20-364, México D.F. 01000, México
| | - D Gooding
- Department of Physics, Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, USA
| | - C Grant
- Department of Physics, Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, USA
| | - J Grove
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - A L Hallin
- Department of Physics, University of Alberta, 4-181 CCIS, Edmonton, Alberta T6G 2E1, Canada
| | - D Hallman
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - W J Heintzelman
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
| | - R L Helmer
- TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada
| | - J Hu
- Department of Physics, University of Alberta, 4-181 CCIS, Edmonton, Alberta T6G 2E1, Canada
| | - R Hunt-Stokes
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - S M A Hussain
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - A S Inácio
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Avenida Professor Gama Pinto, 2, 1649-003, Lisboa, Portugal
- Universidade de Lisboa, Faculdade de Ciéncias (FCUL), Departamento de Física, Campo Grande, Edifício C8, 1749-016, Lisboa, Portugal
| | - C J Jillings
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - S Kaluzienski
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - T Kaptanoglu
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720-8153, USA
| | - P Khaghani
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - H Khan
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - J R Klein
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
| | - L L Kormos
- Physics Department, Lancaster University, Lancaster LA1 4YB, United Kingdom
| | - B Krar
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - C Kraus
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - C B Krauss
- Department of Physics, University of Alberta, 4-181 CCIS, Edmonton, Alberta T6G 2E1, Canada
| | - T Kroupová
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
| | - I Lam
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - B J Land
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
| | - I Lawson
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - L Lebanowski
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720-8153, USA
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
| | - J Lee
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - C Lefebvre
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - J Lidgard
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - Y H Lin
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - V Lozza
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Avenida Professor Gama Pinto, 2, 1649-003, Lisboa, Portugal
- Universidade de Lisboa, Faculdade de Ciéncias (FCUL), Departamento de Física, Campo Grande, Edifício C8, 1749-016, Lisboa, Portugal
| | - M Luo
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
| | - A Maio
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Avenida Professor Gama Pinto, 2, 1649-003, Lisboa, Portugal
- Universidade de Lisboa, Faculdade de Ciéncias (FCUL), Departamento de Física, Campo Grande, Edifício C8, 1749-016, Lisboa, Portugal
| | - S Manecki
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - J Maneira
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Avenida Professor Gama Pinto, 2, 1649-003, Lisboa, Portugal
- Universidade de Lisboa, Faculdade de Ciéncias (FCUL), Departamento de Física, Campo Grande, Edifício C8, 1749-016, Lisboa, Portugal
| | - R D Martin
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - N McCauley
- Department of Physics, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - A B McDonald
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - C Mills
- Physics & Astronomy, University of Sussex, Pevensey II, Falmer, Brighton, BN1 9QH, United Kingdom
| | - I Morton-Blake
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - S Naugle
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
| | - L J Nolan
- School of Physics and Astronomy, Queen Mary University of London, 327 Mile End Road, London E1 4NS, United Kingdom
| | - H M O'Keeffe
- Physics Department, Lancaster University, Lancaster LA1 4YB, United Kingdom
| | - G D Orebi Gann
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720-8153, USA
| | - J Page
- Physics & Astronomy, University of Sussex, Pevensey II, Falmer, Brighton, BN1 9QH, United Kingdom
| | - W Parker
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - J Paton
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - S J M Peeters
- Physics & Astronomy, University of Sussex, Pevensey II, Falmer, Brighton, BN1 9QH, United Kingdom
| | - L Pickard
- University of California, Davis, 1 Shields Avenue, Davis, California 95616, USA
| | - P Ravi
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - A Reichold
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - S Riccetto
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - R Richardson
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - M Rigan
- Physics & Astronomy, University of Sussex, Pevensey II, Falmer, Brighton, BN1 9QH, United Kingdom
| | - J Rose
- Department of Physics, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - R Rosero
- Chemistry Department, Brookhaven National Laboratory, Building 555, P.O. Box 5000, Upton, New York 11973-500, USA
| | - J Rumleskie
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - I Semenec
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - P Skensved
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - M Smiley
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720-8153, USA
| | - R Svoboda
- University of California, Davis, 1 Shields Avenue, Davis, California 95616, USA
| | - B Tam
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - J Tseng
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - E Turner
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - S Valder
- Physics & Astronomy, University of Sussex, Pevensey II, Falmer, Brighton, BN1 9QH, United Kingdom
| | - C J Virtue
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - E Vázquez-Jáuregui
- Universidad Nacional Autónoma de México (UNAM), Instituto de Física, Apartado Postal 20-364, México D.F. 01000, México
| | - J Wang
- University of Oxford, The Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
| | - M Ward
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - J R Wilson
- Department of Physics, King's College London, Strand Building, Strand, London WC2R 2LS, United Kingdom
| | - J D Wilson
- Department of Physics, University of Alberta, 4-181 CCIS, Edmonton, Alberta T6G 2E1, Canada
| | - A Wright
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - J P Yanez
- Department of Physics, University of Alberta, 4-181 CCIS, Edmonton, Alberta T6G 2E1, Canada
| | - S Yang
- Department of Physics, University of Alberta, 4-181 CCIS, Edmonton, Alberta T6G 2E1, Canada
| | - M Yeh
- Chemistry Department, Brookhaven National Laboratory, Building 555, P.O. Box 5000, Upton, New York 11973-500, USA
| | - S Yu
- School of Natural Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - Y Zhang
- Department of Physics, University of Alberta, 4-181 CCIS, Edmonton, Alberta T6G 2E1, Canada
- Research Center for Particle Science and Technology, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, Shandong, China
- Key Laboratory of Particle Physics and Particle Irradiation of Ministry of Education, Shandong University, Qingdao 266237, Shandong, China
| | - K Zuber
- Technische Universität Dresden, Institut für Kern und Teilchenphysik, Zellescher Weg 19, Dresden 01069, Germany
- MTA Atomki, 4001 Debrecen, Hungary
| | - A Zummo
- Department of Physics & Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104-6396, USA
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Wilson JR, Di Nicola M, Williams BK. Hematoma at the insertion of the medial rectus mimicking a conjunctival melanoma. J Fr Ophtalmol 2023; 46:417. [PMID: 36868937 DOI: 10.1016/j.jfo.2022.09.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 09/26/2022] [Indexed: 03/05/2023]
Affiliation(s)
- J R Wilson
- Department of Ophthalmology, University of Cincinnati College of Medicine, 231 Albert Sabin Way, Suite 5414, Cincinnati, OH, 45267-0527 Ohio, USA
| | - M Di Nicola
- Department of Ophthalmology, University of Cincinnati College of Medicine, 231 Albert Sabin Way, Suite 5414, Cincinnati, OH, 45267-0527 Ohio, USA
| | - B K Williams
- Department of Ophthalmology, University of Cincinnati College of Medicine, 231 Albert Sabin Way, Suite 5414, Cincinnati, OH, 45267-0527 Ohio, USA; Cincinnati Eye Institute, Cincinnati, OH, USA.
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Cheaib R, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Lin DX, Middleton S, Miyashita TS, Ongmongkolkul P, Oyang J, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Flood I, Nguyen N, Shuve BJ, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, De Nuccio M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Tasneem N, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Miller C, Nugent IM, Roney JM, Sobie RJ, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Search for an Axionlike Particle in B Meson Decays. Phys Rev Lett 2022; 128:131802. [PMID: 35426701 DOI: 10.1103/physrevlett.128.131802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/31/2022] [Accepted: 03/07/2022] [Indexed: 06/14/2023]
Abstract
Axionlike particles (ALPs) are predicted in many extensions of the standard model, and their masses can naturally be well below the electroweak scale. In the presence of couplings to electroweak bosons, these particles could be emitted in flavor-changing B meson decays. We report herein a search for an ALP, a, in the reaction B^{±}→K^{±}a, a→γγ using data collected by the BABAR experiment at SLAC. No significant signal is observed, and 90% confidence level upper limits on the ALP coupling to electroweak bosons are derived as a function of ALP mass, improving current constraints by several orders of magnitude in the range 0.175 GeV<m_{a}<4.78 GeV.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - R Cheaib
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia, Canada V6T 1Z1
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - D X Lin
- California Institute of Technology, Pasadena, California 91125, USA
| | - S Middleton
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Oyang
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrarab, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrarab, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrarab, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrarab, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrarab, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - I Flood
- Harvey Mudd College, Claremont, California 91711, USA
| | - N Nguyen
- Harvey Mudd College, Claremont, California 91711, USA
| | - B J Shuve
- Harvey Mudd College, Claremont, California 91711, USA
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam, 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - M Davier
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - F Le Diberder
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - A M Lutz
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - G Wormser
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec, Canada H3A 2T8
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - R M Seddon
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, The Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - M De Nuccio
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia, Canada B2G 2W5
| | - N Tasneem
- St. Francis Xavier University, Antigonish, Nova Scotia, Canada B2G 2W5
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - C Miller
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia, Canada V8W 3P6
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Cheaib R, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Lin DX, Middleton S, Miyashita TS, Ongmongkolkul P, Oyang J, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Shuve BJ, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Search for Lepton Flavor Violation in ϒ(3S)→e^{±}μ^{∓}. Phys Rev Lett 2022; 128:091804. [PMID: 35302790 DOI: 10.1103/physrevlett.128.091804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
We report on the first search for electron-muon lepton flavor violation (LFV) in the decay of a b quark and b antiquark bound state. We look for the LFV decay ϒ(3S)→e^{±}μ^{∓} in a sample of 118 million ϒ(3S) mesons from 27 fb^{-1} of data collected with the BABAR detector at the SLAC PEP-II e^{+}e^{-} collider operating with a 10.36 GeV center-of-mass energy. No evidence for a signal is found, and we set a limit on the branching fraction B[ϒ(3S)→e^{±}μ^{∓}]<3.6×10^{-7} at 90% C. L. This result can be interpreted as a limit Λ_{NP}/g_{NP}^{2}>80 TeV on the energy scale Λ_{NP} divided by the coupling-squared g_{NP}^{2} of relevant new physics (NP).
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - R Cheaib
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia V6T 1Z1, Canada
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - R Y So
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - D X Lin
- California Institute of Technology, Pasadena, California 91125, USA
| | - S Middleton
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Oyang
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - B J Shuve
- Harvey Mudd College, Claremont, California 91711, USA
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - M Davier
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - F Le Diberder
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - A M Lutz
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - G Wormser
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec H3A 2T8, Canada
- McGill University, Montréal, Québec H3A 2T8, Canada
| | - R M Seddon
- Institute of Particle Physics, Montréal, Québec H3A 2T8, Canada
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Biasini
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia B2G 2W5, Canada
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - G J King
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T Lueck
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - I M Nugent
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - J M Roney
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia V8W 3P6, Canada
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - N Tasneem
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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7
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Cheaib R, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Lin DX, Miyashita TS, Ongmongkolkul P, Oyang J, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Shuve BJ, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Search for Darkonium in e^{+}e^{-} Collisions. Phys Rev Lett 2022; 128:021802. [PMID: 35089770 DOI: 10.1103/physrevlett.128.021802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 09/17/2021] [Accepted: 12/13/2021] [Indexed: 06/14/2023]
Abstract
Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dark sector structures unexplored. In particular, the existence of dark matter bound states (darkonia) remains to be investigated. This possibility could arise in a simple model in which a dark photon (A^{'}) is light enough to generate an attractive force between dark fermions. We report herein a search for a J^{PC}=1^{--} darkonium state, the ϒ_{D}, produced in the reaction e^{+}e^{-}→γϒ_{D}, ϒ_{D}→A^{'}A^{'}A^{'}, where the dark photons subsequently decay into pairs of leptons or pions, using 514 fb^{-1} of data collected with the BABAR detector. No significant signal is observed, and we set bounds on the γ-A^{'} kinetic mixing as a function of the dark sector coupling constant for 0.001<m_{A^{'}}<3.16 GeV and 0.05<m_{ϒ_{D}}<9.5 GeV.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - R Cheaib
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia V6T 1Z1, Canada
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - R Y So
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - D X Lin
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Oyang
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - B J Shuve
- Harvey Mudd College, Claremont, California 91711, USA
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - M Davier
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - F Le Diberder
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - A M Lutz
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - G Wormser
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec, Canada H3A 2T8
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - R M Seddon
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- The Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- The Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia B2G 2W5, Canada
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - G J King
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T Lueck
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - I M Nugent
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - J M Roney
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia V8W 3P6, Canada
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - N Tasneem
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Cheaib R, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Lin DX, Miyashita TS, Ongmongkolkul P, Oyang J, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Shuve BJ, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sibidanov A, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Precision Measurement of the Ratio B(ϒ(3S)→τ^{+}τ^{-})/B(ϒ(3S)→μ^{+}μ^{-}). Phys Rev Lett 2020; 125:241801. [PMID: 33412062 DOI: 10.1103/physrevlett.125.241801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 10/20/2020] [Indexed: 06/12/2023]
Abstract
We report on a precision measurement of the ratio R_{τμ}^{ϒ(3S)}=B(ϒ(3S)→τ^{+}τ^{-})/B(ϒ(3S)→μ^{+}μ^{-}) using data collected with the BABAR detector at the SLAC PEP-II e^{+}e^{-} collider. The measurement is based on a 28 fb^{-1} data sample collected at a center-of-mass energy of 10.355 GeV corresponding to a sample of 122 million ϒ(3S) mesons. The ratio is measured to be R_{τμ}^{ϒ(3S)}=0.966±0.008_{stat}±0.014_{syst} and is in agreement with the standard model prediction of 0.9948 within 2 standard deviations. The uncertainty in R_{τμ}^{ϒ(3S)} is almost an order of magnitude smaller than the only previous measurement.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - R Cheaib
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia, Canada V6T 1Z1
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - D X Lin
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Oyang
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - B J Shuve
- Harvey Mudd College, Claremont, California 91711, USA
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - M Davier
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - F Le Diberder
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - A M Lutz
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - G Wormser
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec, Canada H3A 2T8
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - R M Seddon
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia, Canada B2G 2W5
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Sibidanov
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia, Canada V8W 3P6
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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9
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Cheaib R, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Lin DX, Miyashita TS, Ongmongkolkul P, Oyang J, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Shuve BJ, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Search for a Dark Leptophilic Scalar in e^{+}e^{-} Collisions. Phys Rev Lett 2020; 125:181801. [PMID: 33196250 DOI: 10.1103/physrevlett.125.181801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 09/17/2020] [Accepted: 09/18/2020] [Indexed: 06/11/2023]
Abstract
Many scenarios of physics beyond the standard model predict the existence of new gauge singlets, which might be substantially lighter than the weak scale. The experimental constraints on additional scalars with masses in the MeV to GeV range could be significantly weakened if they interact predominantly with leptons rather than quarks. At an e^{+}e^{-} collider, such a leptophilic scalar (ϕ_{L}) would be produced predominantly through radiation from a τ lepton. We report herein a search for e^{+}e^{-}→τ^{+}τ^{-}ϕ_{L}, ϕ_{L}→ℓ^{+}ℓ^{-} (ℓ=e, μ) using data collected by the BABAR experiment at SLAC. No significant signal is observed, and we set limits on the ϕ_{L} coupling to leptons in the range 0.04<m_{ϕ_{L}}<7.0 GeV. These bounds significantly improve upon the current constraints, excluding almost entirely the parameter space favored by the observed discrepancy in the muon anomalous magnetic moment below 4 GeV at 90% confidence level.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - R Cheaib
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia V6T 1Z1, Canada
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - R Y So
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - D X Lin
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Oyang
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - B J Shuve
- Harvey Mudd College, Claremont, California 91711, USA
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - M Davier
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - F Le Diberder
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - A M Lutz
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - G Wormser
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec H3A 2T8, Canada
- McGill University, Montréal, Québec H3A 2T8, Canada
| | - R M Seddon
- McGill University, Montréal, Québec H3A 2T8, Canada
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia B2G 2W5, Canada
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia, Canada V8W 3P6
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Abe K, Akutsu R, Ali A, Alt C, Andreopoulos C, Anthony L, Antonova M, Aoki S, Ariga A, Asada Y, Ashida Y, Atkin ET, Awataguchi Y, Ban S, Barbi M, Barker GJ, Barr G, Barrow D, Barry C, Batkiewicz-Kwasniak M, Beloshapkin A, Bench F, Berardi V, Berkman S, Berns L, Bhadra S, Bienstock S, Blondel A, Bolognesi S, Bourguille B, Boyd SB, Brailsford D, Bravar A, Bravo Berguño D, Bronner C, Bubak A, Buizza Avanzini M, Calcutt J, Campbell T, Cao S, Cartwright SL, Catanesi MG, Cervera A, Chappell A, Checchia C, Cherdack D, Chikuma N, Christodoulou G, Coleman J, Collazuol G, Cook L, Coplowe D, Cudd A, Dabrowska A, De Rosa G, Dealtry T, Denner PF, Dennis SR, Densham C, Di Lodovico F, Dokania N, Dolan S, Doyle TA, Drapier O, Dumarchez J, Dunne P, Eklund L, Emery-Schrenk S, Ereditato A, Fernandez P, Feusels T, Finch AJ, Fiorentini GA, Fiorillo G, Francois C, Friend M, Fujii Y, Fujita R, Fukuda D, Fukuda R, Fukuda Y, Fusshoeller K, Gameil K, Giganti C, Golan T, Gonin M, Gorin A, Guigue M, Hadley DR, Haigh JT, Hamacher-Baumann P, Hartz M, Hasegawa T, Hastings NC, Hayashino T, Hayato Y, Hiramoto A, Hogan M, Holeczek J, Hong Van NT, Iacob F, Ichikawa AK, Ikeda M, Ishida T, Ishii T, Ishitsuka M, Iwamoto K, Izmaylov A, Jakkapu M, Jamieson B, Jenkins SJ, Jesús-Valls C, Jiang M, Johnson S, Jonsson P, Jung CK, Kabirnezhad M, Kaboth AC, Kajita T, Kakuno H, Kameda J, Karlen D, Kasetti SP, Kataoka Y, Katori T, Kato Y, Kearns E, Khabibullin M, Khotjantsev A, Kikawa T, Kim H, Kim J, King S, Kisiel J, Knight A, Knox A, Kobayashi T, Koch L, Koga T, Konaka A, Kormos LL, Koshio Y, Kostin A, Kowalik K, Kubo H, Kudenko Y, Kukita N, Kuribayashi S, Kurjata R, Kutter T, Kuze M, Labarga L, Lagoda J, Lamoureux M, Laveder M, Lawe M, Licciardi M, Lindner T, Litchfield RP, Liu SL, Li X, Longhin A, Ludovici L, Lu X, Lux T, Machado LN, Magaletti L, Mahn K, Malek M, Manly S, Maret L, Marino AD, Marti-Magro L, Martin JF, Maruyama T, Matsubara T, Matsushita K, Matveev V, Mavrokoridis K, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Mefodiev A, Metelko C, Mezzetto M, Minamino A, Mineev O, Mine S, Miura M, Molina Bueno L, Moriyama S, Morrison J, Mueller TA, Munteanu L, Murphy S, Nagai Y, Nakadaira T, Nakahata M, Nakajima Y, Nakamura A, Nakamura KG, Nakamura K, Nakayama S, Nakaya T, Nakayoshi K, Nantais C, Ngoc TV, Niewczas K, Nishikawa K, Nishimura Y, Nonnenmacher TS, Nova F, Novella P, Nowak J, Nugent JC, O'Keeffe HM, O'Sullivan L, Odagawa T, Okumura K, Okusawa T, Oser SM, Owen RA, Oyama Y, Palladino V, Palomino JL, Paolone V, Parker WC, Pasternak J, Paudyal P, Pavin M, Payne D, Penn GC, Pickering L, Pidcott C, Pintaudi G, Pinzon Guerra ES, Pistillo C, Popov B, Porwit K, Posiadala-Zezula M, Pritchard A, Quilain B, Radermacher T, Radicioni E, Radics B, Ratoff PN, Reinherz-Aronis E, Riccio C, Rondio E, Roth S, Rubbia A, Ruggeri AC, Ruggles CA, Rychter A, Sakashita K, Sánchez F, Schloesser CM, Scholberg K, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shah R, Shaikhiev A, Shaker F, Shaykina A, Shiozawa M, Shorrock W, Shvartsman A, Smirnov A, Smy M, Sobczyk JT, Sobel H, Soler FJP, Sonoda Y, Steinmann J, Suvorov S, Suzuki A, Suzuki SY, Suzuki Y, Sztuc AA, Tada M, Tajima M, Takeda A, Takeuchi Y, Tanaka HK, Tanaka HA, Tanaka S, Thompson LF, Toki W, Touramanis C, Towstego T, Tsui KM, Tsukamoto T, Tzanov M, Uchida Y, Uno W, Vagins M, Valder S, Vallari Z, Vargas D, Vasseur G, Vilela C, Vinning WGS, Vladisavljevic T, Volkov VV, Wachala T, Walker J, Walsh JG, Wang Y, Wark D, Wascko MO, Weber A, Wendell R, Wilking MJ, Wilkinson C, Wilson JR, Wilson RJ, Wood K, Wret C, Yamada Y, Yamamoto K, Yanagisawa C, Yang G, Yano T, Yasutome K, Yen S, Yershov N, Yokoyama M, Yoshida T, Yu M, Zalewska A, Zalipska J, Zaremba K, Zarnecki G, Ziembicki M, Zimmerman ED, Zito M, Zsoldos S, Zykova A. Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam. Phys Rev Lett 2020; 124:161802. [PMID: 32383902 DOI: 10.1103/physrevlett.124.161802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 02/26/2020] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
Electron antineutrino appearance is measured by the T2K experiment in an accelerator-produced antineutrino beam, using additional neutrino beam operation to constrain parameters of the Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing matrix. T2K observes 15 candidate electron antineutrino events with a background expectation of 9.3 events. Including information from the kinematic distribution of observed events, the hypothesis of no electron antineutrino appearance is disfavored with a significance of 2.40σ and no discrepancy between data and PMNS predictions is found. A complementary analysis that introduces an additional free parameter which allows non-PMNS values of electron neutrino and antineutrino appearance also finds no discrepancy between data and PMNS predictions.
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Affiliation(s)
- K Abe
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - R Akutsu
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - A Ali
- Kyoto University, Department of Physics, Kyoto, Japan
| | - C Alt
- ETH Zurich, Institute for Particle Physics and Astrophysics, Zurich, Switzerland
| | - C Andreopoulos
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - L Anthony
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - M Antonova
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - S Aoki
- Kobe University, Kobe, Japan
| | - A Ariga
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - Y Asada
- Yokohama National University, Faculty of Engineering, Yokohama, Japan
| | - Y Ashida
- Kyoto University, Department of Physics, Kyoto, Japan
| | - E T Atkin
- Imperial College London, Department of Physics, London, United Kingdom
| | - Y Awataguchi
- Tokyo Metropolitan University, Department of Physics, Tokyo, Japan
| | - S Ban
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Barbi
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - G J Barker
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - G Barr
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - D Barrow
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - C Barry
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | | | - A Beloshapkin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - F Bench
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - V Berardi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - S Berkman
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - L Berns
- Tokyo Institute of Technology, Department of Physics, Tokyo, Japan
| | - S Bhadra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - S Bienstock
- Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - A Blondel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
- Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | | | - B Bourguille
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona) Spain
| | - S B Boyd
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - D Brailsford
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - A Bravar
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - D Bravo Berguño
- University Autonoma Madrid, Department of Theoretical Physics, Madrid, Spain
| | - C Bronner
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - A Bubak
- University of Silesia, Institute of Physics, Katowice, Poland
| | - M Buizza Avanzini
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - J Calcutt
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - T Campbell
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - S Cao
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S L Cartwright
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - M G Catanesi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - A Cervera
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - A Chappell
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - C Checchia
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - D Cherdack
- University of Houston, Department of Physics, Houston, Texas, USA
| | - N Chikuma
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - G Christodoulou
- CERN European Organization for Nuclear Research, CH-1211 Genève 23, Switzerland
| | - J Coleman
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - G Collazuol
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - L Cook
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - D Coplowe
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - A Cudd
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - A Dabrowska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - G De Rosa
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - T Dealtry
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - P F Denner
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - S R Dennis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - C Densham
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - F Di Lodovico
- King's College London, Department of Physics, Strand, London WC2R 2LS, United Kingdom
| | - N Dokania
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - S Dolan
- CERN European Organization for Nuclear Research, CH-1211 Genève 23, Switzerland
| | - T A Doyle
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - O Drapier
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - J Dumarchez
- Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - P Dunne
- Imperial College London, Department of Physics, London, United Kingdom
| | - L Eklund
- University of Glasgow, School of Physics and Astronomy, Glasgow, United Kingdom
| | | | - A Ereditato
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - P Fernandez
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - T Feusels
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - A J Finch
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - G A Fiorentini
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - G Fiorillo
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - C Francois
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - M Friend
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fujii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - R Fujita
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - D Fukuda
- Okayama University, Department of Physics, Okayama, Japan
| | - R Fukuda
- Tokyo University of Science, Faculty of Science and Technology, Department of Physics, Noda, Chiba, Japan
| | - Y Fukuda
- Miyagi University of Education, Department of Physics, Sendai, Japan
| | - K Fusshoeller
- ETH Zurich, Institute for Particle Physics and Astrophysics, Zurich, Switzerland
| | - K Gameil
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - C Giganti
- Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - T Golan
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - M Gonin
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - A Gorin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Guigue
- Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - D R Hadley
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - J T Haigh
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | | | - M Hartz
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- TRIUMF, Vancouver, British Columbia, Canada
| | - T Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - N C Hastings
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Hayashino
- Kyoto University, Department of Physics, Kyoto, Japan
| | - Y Hayato
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - A Hiramoto
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Hogan
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - J Holeczek
- University of Silesia, Institute of Physics, Katowice, Poland
| | - N T Hong Van
- Institute For Interdisciplinary Research in Science and Education (IFIRSE), ICISE, Quy Nhon, Vietnam
- International Centre of Physics, Institute of Physics (IOP), Vietnam Academy of Science and Technology (VAST), 10 Dao Tan, Ba Dinh, Hanoi, Vietnam
| | - F Iacob
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - A K Ichikawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Ikeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Ishida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Ishii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Ishitsuka
- Tokyo University of Science, Faculty of Science and Technology, Department of Physics, Noda, Chiba, Japan
| | - K Iwamoto
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - A Izmaylov
- IFIC (CSIC & University of Valencia), Valencia, Spain
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Jakkapu
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - B Jamieson
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - S J Jenkins
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - C Jesús-Valls
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona) Spain
| | - M Jiang
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Johnson
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - P Jonsson
- Imperial College London, Department of Physics, London, United Kingdom
| | - C K Jung
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - M Kabirnezhad
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - A C Kaboth
- Royal Holloway University of London, Department of Physics, Egham, Surrey, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - T Kajita
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H Kakuno
- Tokyo Metropolitan University, Department of Physics, Tokyo, Japan
| | - J Kameda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - D Karlen
- TRIUMF, Vancouver, British Columbia, Canada
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - S P Kasetti
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - Y Kataoka
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Katori
- King's College London, Department of Physics, Strand, London WC2R 2LS, United Kingdom
| | - Y Kato
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - E Kearns
- Boston University, Department of Physics, Boston, Massachusetts, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Khabibullin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Khotjantsev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - T Kikawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - H Kim
- Osaka City University, Department of Physics, Osaka, Japan
| | - J Kim
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - S King
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - J Kisiel
- University of Silesia, Institute of Physics, Katowice, Poland
| | - A Knight
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - A Knox
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - T Kobayashi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - L Koch
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - T Koga
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - A Konaka
- TRIUMF, Vancouver, British Columbia, Canada
| | - L L Kormos
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - Y Koshio
- Okayama University, Department of Physics, Okayama, Japan
| | - A Kostin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - K Kowalik
- National Centre for Nuclear Research, Warsaw, Poland
| | - H Kubo
- Kyoto University, Department of Physics, Kyoto, Japan
| | - Y Kudenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - N Kukita
- Osaka City University, Department of Physics, Osaka, Japan
| | - S Kuribayashi
- Kyoto University, Department of Physics, Kyoto, Japan
| | - R Kurjata
- Warsaw University of Technology, Institute of Radioelectronics and Multimedia Technology, Warsaw, Poland
| | - T Kutter
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - M Kuze
- Tokyo Institute of Technology, Department of Physics, Tokyo, Japan
| | - L Labarga
- University Autonoma Madrid, Department of Theoretical Physics, Madrid, Spain
| | - J Lagoda
- National Centre for Nuclear Research, Warsaw, Poland
| | - M Lamoureux
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - M Laveder
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - M Lawe
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Licciardi
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - T Lindner
- TRIUMF, Vancouver, British Columbia, Canada
| | - R P Litchfield
- University of Glasgow, School of Physics and Astronomy, Glasgow, United Kingdom
| | - S L Liu
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - X Li
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - A Longhin
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - L Ludovici
- INFN Sezione di Roma and Università di Roma "La Sapienza", Roma, Italy
| | - X Lu
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - T Lux
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona) Spain
| | - L N Machado
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - L Magaletti
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - K Mahn
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - M Malek
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - S Manly
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - L Maret
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - A D Marino
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - L Marti-Magro
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J F Martin
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - T Maruyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Matsubara
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Matsushita
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - V Matveev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - K Mavrokoridis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | | | - M McCarthy
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - N McCauley
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - K S McFarland
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - C McGrew
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - A Mefodiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - C Metelko
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - M Mezzetto
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - A Minamino
- Yokohama National University, Faculty of Engineering, Yokohama, Japan
| | - O Mineev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Mine
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - M Miura
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - L Molina Bueno
- ETH Zurich, Institute for Particle Physics and Astrophysics, Zurich, Switzerland
| | - S Moriyama
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Morrison
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - Th A Mueller
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - L Munteanu
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - S Murphy
- ETH Zurich, Institute for Particle Physics and Astrophysics, Zurich, Switzerland
| | - Y Nagai
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - T Nakadaira
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Nakahata
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Nakajima
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - A Nakamura
- Okayama University, Department of Physics, Okayama, Japan
| | - K G Nakamura
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Nakamura
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - S Nakayama
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Nakaya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Nakayoshi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - C Nantais
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - T V Ngoc
- Institute For Interdisciplinary Research in Science and Education (IFIRSE), ICISE, Quy Nhon, Vietnam
| | - K Niewczas
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - K Nishikawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Nishimura
- Keio University, Department of Physics, Kanagawa, Japan
| | - T S Nonnenmacher
- Imperial College London, Department of Physics, London, United Kingdom
| | - F Nova
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - P Novella
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - J Nowak
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - J C Nugent
- University of Glasgow, School of Physics and Astronomy, Glasgow, United Kingdom
| | - H M O'Keeffe
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - L O'Sullivan
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - T Odagawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Okumura
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Okusawa
- Osaka City University, Department of Physics, Osaka, Japan
| | - S M Oser
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - R A Owen
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - Y Oyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Palladino
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - J L Palomino
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - V Paolone
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - W C Parker
- Royal Holloway University of London, Department of Physics, Egham, Surrey, United Kingdom
| | - J Pasternak
- Imperial College London, Department of Physics, London, United Kingdom
| | - P Paudyal
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - M Pavin
- TRIUMF, Vancouver, British Columbia, Canada
| | - D Payne
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - G C Penn
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - L Pickering
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - C Pidcott
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - G Pintaudi
- Yokohama National University, Faculty of Engineering, Yokohama, Japan
| | - E S Pinzon Guerra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - C Pistillo
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - B Popov
- Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - K Porwit
- University of Silesia, Institute of Physics, Katowice, Poland
| | | | - A Pritchard
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - B Quilain
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - T Radermacher
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - E Radicioni
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - B Radics
- ETH Zurich, Institute for Particle Physics and Astrophysics, Zurich, Switzerland
| | - P N Ratoff
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - E Reinherz-Aronis
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - C Riccio
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - E Rondio
- National Centre for Nuclear Research, Warsaw, Poland
| | - S Roth
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Rubbia
- ETH Zurich, Institute for Particle Physics and Astrophysics, Zurich, Switzerland
| | - A C Ruggeri
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - C A Ruggles
- University of Glasgow, School of Physics and Astronomy, Glasgow, United Kingdom
| | - A Rychter
- Warsaw University of Technology, Institute of Radioelectronics and Multimedia Technology, Warsaw, Poland
| | - K Sakashita
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - F Sánchez
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - C M Schloesser
- ETH Zurich, Institute for Particle Physics and Astrophysics, Zurich, Switzerland
| | - K Scholberg
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - J Schwehr
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - M Scott
- Imperial College London, Department of Physics, London, United Kingdom
| | - Y Seiya
- Osaka City University, Department of Physics, Osaka, Japan
| | - T Sekiguchi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - H Sekiya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - D Sgalaberna
- CERN European Organization for Nuclear Research, CH-1211 Genève 23, Switzerland
| | - R Shah
- Oxford University, Department of Physics, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - A Shaikhiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - F Shaker
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - A Shaykina
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Shiozawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - W Shorrock
- Imperial College London, Department of Physics, London, United Kingdom
| | - A Shvartsman
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Smirnov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Smy
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - J T Sobczyk
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - H Sobel
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - F J P Soler
- University of Glasgow, School of Physics and Astronomy, Glasgow, United Kingdom
| | - Y Sonoda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Steinmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - S Suvorov
- IRFU, CEA Saclay, Gif-sur-Yvette, France
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | | | - S Y Suzuki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Suzuki
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - A A Sztuc
- Imperial College London, Department of Physics, London, United Kingdom
| | - M Tada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Tajima
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A Takeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Takeuchi
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Kobe University, Kobe, Japan
| | - H K Tanaka
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - H A Tanaka
- SLAC National Accelerator Laboratory, Stanford University, Menlo Park, California, USA
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - S Tanaka
- Osaka City University, Department of Physics, Osaka, Japan
| | - L F Thompson
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - W Toki
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - C Touramanis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - T Towstego
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - K M Tsui
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - T Tsukamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Tzanov
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - Y Uchida
- Imperial College London, Department of Physics, London, United Kingdom
| | - W Uno
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Vagins
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - S Valder
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - Z Vallari
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - D Vargas
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona) Spain
| | - G Vasseur
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - C Vilela
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - W G S Vinning
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - T Vladisavljevic
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - V V Volkov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - T Wachala
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Walker
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - J G Walsh
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - Y Wang
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - D Wark
- Oxford University, Department of Physics, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - M O Wascko
- Imperial College London, Department of Physics, London, United Kingdom
| | - A Weber
- Oxford University, Department of Physics, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - R Wendell
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M J Wilking
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - C Wilkinson
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - J R Wilson
- King's College London, Department of Physics, Strand, London WC2R 2LS, United Kingdom
| | - R J Wilson
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - K Wood
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - C Wret
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - Y Yamada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Yamamoto
- Osaka City University, Department of Physics, Osaka, Japan
| | - C Yanagisawa
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - G Yang
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - T Yano
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - K Yasutome
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Yen
- TRIUMF, Vancouver, British Columbia, Canada
| | - N Yershov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Yokoyama
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - T Yoshida
- Tokyo Institute of Technology, Department of Physics, Tokyo, Japan
| | - M Yu
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - A Zalewska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Zalipska
- National Centre for Nuclear Research, Warsaw, Poland
| | - K Zaremba
- Warsaw University of Technology, Institute of Radioelectronics and Multimedia Technology, Warsaw, Poland
| | - G Zarnecki
- National Centre for Nuclear Research, Warsaw, Poland
| | - M Ziembicki
- Warsaw University of Technology, Institute of Radioelectronics and Multimedia Technology, Warsaw, Poland
| | - E D Zimmerman
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Zito
- Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - S Zsoldos
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - A Zykova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
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11
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Cheaib R, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Shuve BJ, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Measurements of the Absolute Branching Fractions of B^{±}→K^{±}X_{cc[over ¯]}. Phys Rev Lett 2020; 124:152001. [PMID: 32357020 DOI: 10.1103/physrevlett.124.152001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/22/2020] [Accepted: 03/20/2020] [Indexed: 06/11/2023]
Abstract
A study of the two-body decays B^{±}→X_{cc[over ¯]}K^{±}, where X_{cc[over ¯]} refers to one charmonium state, is reported by the BABAR Collaboration using a data sample of 424 fb^{-1}. The absolute determination of branching fractions for these decays are significantly improved compared to previous BABAR measurements. Evidence is found for the decay B^{+}→X(3872)K^{+} at the 3σ level. The absolute branching fraction B[B^{+}→X(3872)K^{+}]=[2.1±0.6(stat)±0.3(syst)]×10^{-4} is measured for the first time. It follows that B[X(3872)→J/ψπ^{+}π^{-}]=(4.1±1.3)%, supporting the hypothesis of a molecular component for this resonance.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - R Cheaib
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia V6T 1Z1, Canada
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - R Y So
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - B J Shuve
- Harvey Mudd College, Claremont, California 91711, USA
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - M Davier
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - F Le Diberder
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - A M Lutz
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - G Wormser
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec H3A 2T8, Canada
- McGill University, Montréal, Québec H3A 2T8, Canada
| | - R M Seddon
- McGill University, Montréal, Québec H3A 2T8, Canada
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, The Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia B2G 2W5, Canada
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - G J King
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T Lueck
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - I M Nugent
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - J M Roney
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia V8W 3P6, Canada
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - N Tasneem
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Cheaib R, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Shuve BJ, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Search for Rare or Forbidden Decays of the D^{0} Meson. Phys Rev Lett 2020; 124:071802. [PMID: 32142319 DOI: 10.1103/physrevlett.124.071802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 01/23/2020] [Indexed: 06/10/2023]
Abstract
We present a search for nine lepton-number-violating and three lepton-flavor-violating neutral charm decays of the type D^{0}→h^{'-}h^{-}ℓ^{'+}ℓ^{+} and D^{0}→h^{'-}h^{+}ℓ^{'±}ℓ^{∓}, where h and h^{'} represent a K or π meson and ℓ and ℓ^{'} an electron or muon. The analysis is based on 468 fb^{-1} of e^{+}e^{-} annihilation data collected at or close to the ϒ(4S) resonance with the BABAR detector at the SLAC National Accelerator Laboratory. No significant signal is observed for any of the twelve modes, and we establish 90% confidence level upper limits on the branching fractions in the range (1.0-30.6)×10^{-7}. The limits are between 1 and 3 orders of magnitude more stringent than previous measurements.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - R Cheaib
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia, Canada V6T 1Z1
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - B J Shuve
- Harvey Mudd College, Claremont, California 91711, USA
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - M Davier
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - F Le Diberder
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - A M Lutz
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - G Wormser
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec, Canada H3A 2T8
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - R M Seddon
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia, Canada B2G 2W5
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia, Canada V8W 3P6
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Neri N, Palombo F, Cheaib R, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Extraction of form Factors from a Four-Dimensional Angular Analysis of B[over ¯]→D^{*}ℓ^{-}ν[over ¯]_{ℓ}. Phys Rev Lett 2019; 123:091801. [PMID: 31524470 DOI: 10.1103/physrevlett.123.091801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/30/2019] [Indexed: 06/10/2023]
Abstract
An angular analysis of the decay B[over ¯]→D^{*}ℓ^{-}ν[over ¯]_{ℓ}, ℓ∈{e,μ}, is reported using the full e^{+}e^{-} collision data set collected by the BABAR experiment at the ϒ(4S) resonance. One B meson from the ϒ(4S)→BB[over ¯] decay is fully reconstructed in a hadronic decay mode, which constrains the kinematics and provides a determination of the neutrino momentum vector. The kinematics of the semileptonic decay is described by the dilepton mass squared, q^{2}, and three angles. The first unbinned fit to the full four-dimensional decay rate in the standard model is performed in the so-called Boyd-Grinstein-Lebed approach, which employs a generic q^{2} parametrization of the underlying form factors based on crossing symmetry, analyticity, and QCD dispersion relations for the amplitudes. A fit using the more model-dependent Caprini-Lellouch-Neubert (CLN) approach is performed as well. Our form factor shapes show deviations from previous fits based on the CLN parametrization. The latest form factors also provide an updated prediction for the branching fraction ratio R(D^{*})≡B(B[over ¯]→D^{*}τ^{-}ν[over ¯]_{τ})/B(B[over ¯]→D^{*}ℓ^{-}ν[over ¯]_{ℓ})=0.253±0.005. Finally, using the well-measured branching fraction for the B[over ¯]→D^{*}ℓ^{-}ν[over ¯]_{ℓ} decay, a value of |V_{cb}|=(38.36±0.90)×10^{-3} is obtained that is consistent with the current world average for exclusive B[over ¯]→D^{(*)}ℓ^{-}ν[over ¯]_{ℓ} decays and remains in tension with the determination from inclusive semileptonic B decays to final states with charm.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia, Canada V6T 1Z1
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam, 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec, Canada H3A 2T8
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - R M Seddon
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - R Cheaib
- University of Mississippi, University, Mississippi 38677, USA
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, United Kingdom
| | - S Emery
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia, Canada B2G 2W5
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia, Canada V8W 3P6
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Dey B, Neri N, Palombo F, Cheaib R, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Observation of the Decay D^{0}→K^{-}π^{+}e^{+}e^{-}. Phys Rev Lett 2019; 122:081802. [PMID: 30932586 DOI: 10.1103/physrevlett.122.081802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 12/11/2018] [Indexed: 06/09/2023]
Abstract
We report the observation of the rare charm decay D^{0}→K^{-}π^{+}e^{+}e^{-}, based on 468 fb^{-1} of e^{+}e^{-} annihilation data collected at or close to the center-of-mass energy of the ϒ(4S) resonance with the BABAR detector at the SLAC National Accelerator Laboratory. We find the branching fraction in the invariant mass range 0.675<m(e^{+}e^{-})<0.875 GeV/c^{2} of the electron-positron pair to be B(D^{0}→K^{-}π^{+}e^{+}e^{-})=(4.0±0.5±0.2±0.1)×10^{-6}, where the first uncertainty is statistical, the second systematic, and the third due to the uncertainty in the branching fraction of the decay D^{0}→K^{-}π^{+}π^{+}π^{-} used as a normalization mode. The significance of the observation corresponds to 9.7 standard deviations including systematic uncertainties. This result is consistent with the recently reported D^{0}→K^{-}π^{+}μ^{+}μ^{-} branching fraction, measured in the same invariant mass range, and with the value expected in the standard model. In a set of regions of m(e^{+}e^{-}), where long-distance effects are potentially small, we determine a 90% confidence level upper limit on the branching fraction B(D^{0}→K^{-}π^{+}e^{+}e^{-})<3.1×10^{-6}.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia, Canada V6T 1Z1
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam, 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec, Canada H3A 2T8
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - R M Seddon
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - B Dey
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - R Cheaib
- University of Mississippi, University, Mississippi 38677, USA
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, The Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia, Canada B2G 2W5
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- Institute of Particle Physics, Canada V8W 3P6
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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15
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kozyrev EA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Li Y, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Seddon RM, Dey B, Neri N, Palombo F, Cheaib R, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Zani L, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Ahmed H, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Search for a Stable Six-Quark State at BABAR. Phys Rev Lett 2019; 122:072002. [PMID: 30848619 DOI: 10.1103/physrevlett.122.072002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 01/24/2019] [Indexed: 06/09/2023]
Abstract
Recent investigations have suggested that the six-quark combination uuddss could be a deeply bound state (S) that has eluded detection so far, and a potential dark matter candidate. We report the first search for a stable, doubly strange six-quark state in ϒ→SΛ[over ¯]Λ[over ¯] decays based on a sample of 90×10^{6}ϒ(2S) and 110×10^{6}ϒ(3S) decays collected by the BABAR experiment. No signal is observed, and 90% confidence level limits on the combined ϒ(2S,3S)→SΛ[over ¯]Λ[over ¯] branching fraction in the range (1.2-1.4)×10^{-7} are derived for m_{S}<2.05 GeV. These bounds set stringent limits on the existence of such exotic particles.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia, Canada V6T 1Z1
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kozyrev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam, 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec, Canada H3A 2T8
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - R M Seddon
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - B Dey
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - R Cheaib
- University of Mississippi, University, Mississippi 38677, USA
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia, Canada B2G 2W5
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia, Canada V8W 3P6
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Adachi I, Adye T, Ahmed H, Ahn JK, Aihara H, Akar S, Alam MS, Albert J, Anulli F, Arnaud N, Asner DM, Aston D, Atmacan H, Aushev T, Ayad R, Babu V, Badhrees I, Bakich AM, Banerjee S, Bansal V, Barlow RJ, Batignani G, Beaulieu A, Behera P, Bellis M, Ben-Haim E, Bernard D, Bernlochner FU, Bettarini S, Bettoni D, Bevan AJ, Bhardwaj V, Bhuyan B, Bianchi F, Biasini M, Biswal J, Blinov VE, Bomben M, Bondar A, Bonneaud GR, Bozek A, Bozzi C, Bračko M, Browder TE, Brown DN, Brown DN, Bünger C, Burchat PR, Buzykaev AR, Calabrese R, Calcaterra A, Calderini G, Di Carlo S, Carpinelli M, Cartaro C, Casarosa G, Cenci R, Chao DS, Chauveau J, Cheaib R, Chen A, Chen C, Cheng CH, Cheon BG, Chilikin K, Cho K, Choi Y, Choudhury S, Chrzaszcz M, Cibinetto G, Cinabro D, Cochran J, Coleman JP, Convery MR, Cowan G, Cowan R, Cremaldi L, Cunliffe S, Dash N, Davier M, Davis CL, De Mori F, De Nardo G, Denig AG, de Sangro R, Dey B, Di Lodovico F, Dittrich S, Doležal Z, Dorfan J, Drásal Z, Druzhinin VP, Dunwoodie W, Ebert M, Echenard B, Eidelman S, Eigen G, Eisner AM, Emery S, Epifanov D, Ernst JA, Faccini R, Fast JE, Feindt M, Ferber T, Ferrarotto F, Ferroni F, Field RC, Filippi A, Finocchiaro G, Fioravanti E, Flood KT, Forti F, Fritsch M, Fulsom BG, Gabathuler E, Gamba D, Garg R, Garmash A, Gary JW, Garzia I, Gaur V, Gaz A, Gelb M, Gershon TJ, Li Gioi L, Giorgi MA, Giri A, Godang R, Goldenzweig P, Golob B, Golubev VB, Gorodeisky R, Gradl W, Graham MT, Grauges E, Griessinger K, Gritsan AV, Grünberg O, Guan Y, Guido E, Guttman N, Haba J, Hafner A, Hara T, Harrison PF, Hast C, Hayasaka K, Hayashii H, Hearty C, Heck M, Hedges MT, Heß M, Hirose S, Hitlin DG, Honscheid K, Hou WS, Hsu CL, Huard Z, Van Hulse C, Hutchcroft DE, Inami K, Inguglia G, Innes WR, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Izen JM, Jacobs WW, Jawahery A, Jessop CP, Jia S, Jin Y, Joo KK, Julius T, Kaliyar AB, Kang KH, Karyan G, Kass R, Kichimi H, Kim DY, Kim JB, Kim KT, Kim SH, Kim J, Kim P, King GJ, Kinoshita K, Koch H, Kodyš P, Kolomensky YG, Korpar S, Kotchetkov D, Kowalewski R, Kravchenko EA, Križan P, Kroeger R, Krokovny P, Kuhr T, Kulasiri R, Kumita T, Kuzmin A, Kwon YJ, Lacker HM, Lafferty GD, Lanceri L, Lange JS, Lange DJ, Lankford AJ, Latham TE, Leddig T, Le Diberder F, Lee IS, Lee SC, Lees JP, Leith DWGS, Li LK, Li YB, Li Y, Libby J, Liventsev D, Lockman WS, Long O, LoSecco JM, Lou XC, Lubej M, Lueck T, Luitz S, Luo T, Luppi E, Lusiani A, Lutz AM, MacFarlane DB, MacNaughton J, Mallik U, Manoni E, Marchiori G, Margoni M, Martellotti S, Martinez-Vidal F, Masuda M, Matsuda T, Mattison TS, Matvienko D, McKenna JA, Meadows BT, Merola M, Miyabayashi K, Miyashita TS, Miyata H, Mizuk R, Mohanty GB, Moon HK, Mori T, Muller DR, Müller T, Mussa R, Nakano E, Nakao M, Nanut T, Nath KJ, Nayak M, Neal H, Neri N, Nisar NK, Nishida S, Nugent IM, Oberhof B, Ocariz J, Ogawa S, Ongmongkolkul P, Ono H, Onuchin AP, Onuki Y, Oyanguren A, Pakhlov P, Pakhlova G, Pal B, Palano A, Palombo F, Panduro Vazquez W, Paoloni E, Pardi S, Park H, Passaggio S, Patrignani C, Patteri P, Paul S, Pavelkin I, Payne DJ, Pedlar TK, Peimer DR, Peruzzi IM, Pestotnik R, Piccolo M, Piilonen LE, Pilloni A, Piredda G, Poireau V, Popov V, Porter FC, Posocco M, Prell S, Prepost R, Puccio EMT, Purohit MV, Pushpawela BG, Rama M, Randle-Conde A, Ratcliff BN, Raven G, Resmi PK, Ritchie JL, Ritter M, Rizzo G, Roberts DA, Robertson SH, Röhrken M, Roney JM, Roodman A, Rossi A, Rotondo M, Rozanska M, Russo G, Sacco R, Al Said S, Sakai Y, Salehi M, Sandilya S, Santelj L, Santoro V, Sanuki T, Savinov V, Schneider O, Schnell G, Schroeder T, Schubert KR, Schwanda C, Schwartz AJ, Schwitters RF, Sciacca C, Seddon RM, Seino Y, Sekula SJ, Senyo K, Seon O, Serednyakov SI, Sevior ME, Shebalin V, Shen CP, Shibata TA, Shimizu N, Shiu JG, Simi G, Simon F, Simonetto F, Skovpen YI, Smith JG, Smith AJS, So RY, Sobie RJ, Soffer A, Sokoloff MD, Solodov EP, Solovieva E, Spanier SM, Starič M, Stroili R, Sullivan MK, Sumisawa K, Sumiyoshi T, Summers DJ, Sun L, Takizawa M, Tamponi U, Tanida K, Taras P, Tasneem N, Tenchini F, Tisserand V, Todyshevx KY, Touramanis C, Uchida M, Uglov T, Unno Y, Uno S, Vahsen SE, Varner G, Vasseur G, Va'vra J, Červenkov D, Verderi M, Vitale L, Vorobyev V, Voß C, Wagner SR, Waheed E, Waldi R, Walsh JJ, Wang B, Wang CH, Wang MZ, Wang P, Watanabe Y, Wilson FF, Wilson JR, Wisniewski WJ, Won E, Wormser G, Wright DM, Wu SL, Ye H, Yuan CZ, Yusa Y, Zakharov S, Zallo A, Zani L, Zhang ZP, Zhilich V, Zhukova V, Zhulanov V, Zupanc A. First Evidence for cos2β>0 and Resolution of the Cabibbo-Kobayashi-Maskawa Quark-Mixing Unitarity Triangle Ambiguity. Phys Rev Lett 2018; 121:261801. [PMID: 30636113 DOI: 10.1103/physrevlett.121.261801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 08/22/2018] [Indexed: 06/09/2023]
Abstract
We present first evidence that the cosine of the CP-violating weak phase 2β is positive, and hence exclude trigonometric multifold solutions of the Cabibbo-Kobayashi-Maskawa (CKM) Unitarity Triangle using a time-dependent Dalitz plot analysis of B^{0}→D^{(*)}h^{0} with D→K_{S}^{0}π^{+}π^{-} decays, where h^{0}∈{π^{0},η,ω} denotes a light unflavored and neutral hadron. The measurement is performed combining the final data sets of the BABAR and Belle experiments collected at the ϒ(4S) resonance at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain (471±3)×10^{6}BB[over ¯] pairs recorded by the BABAR detector and (772±11)×10^{6}BB[over ¯] pairs recorded by the Belle detector. The results of the measurement are sin2β=0.80±0.14(stat)±0.06(syst)±0.03(model) and cos2β=0.91±0.22(stat)±0.09(syst)±0.07(model). The result for the direct measurement of the angle β of the CKM Unitarity Triangle is β=[22.5±4.4(stat)±1.2(syst)±0.6(model)]°. The measurement assumes no direct CP violation in B^{0}→D^{(*)}h^{0} decays. The quoted model uncertainties are due to the composition of the D^{0}→K_{S}^{0}π^{+}π^{-} decay amplitude model, which is newly established by performing a Dalitz plot amplitude analysis using a high-statistics e^{+}e^{-}→cc[over ¯] data sample. CP violation is observed in B^{0}→D^{(*)}h^{0} decays at the level of 5.1 standard deviations. The significance for cos2β>0 is 3.7 standard deviations. The trigonometric multifold solution π/2-β=(68.1±0.7)° is excluded at the level of 7.3 standard deviations. The measurement resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle.
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Affiliation(s)
- I Adachi
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, United Kingdom
| | - H Ahmed
- St. Francis Xavier University, Antigonish, Nova Scotia, Canada B2G 2W5
| | - J K Ahn
- Korea University, Seoul 136-713, South Korea
| | - H Aihara
- Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D M Asner
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Atmacan
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - T Aushev
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - R Ayad
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451, Kingdom of Saudi Arabia
| | - V Babu
- Tata Institute of Fundamental Research, Mumbai 400005, India
| | - I Badhrees
- King Abdulaziz City for Science and Technology, Riyadh 11442, Kingdom of Saudi Arabia
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451, Kingdom of Saudi Arabia
| | - A M Bakich
- School of Physics, University of Sydney, New South Wales 2006, Australia
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - V Bansal
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - P Behera
- Indian Institute of Technology Madras, Chennai 600036, India
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A J Bevan
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - V Bhardwaj
- Indian Institute of Science Education and Research Mohali, SAS Nagar, 140306, India
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Assam 781039, India
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - J Biswal
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
- Novosibirsk State Technical University, Novosibirsk 630092, Russian Federation
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - A Bondar
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - A Bozek
- H. Niewodniczanski Institute of Nuclear Physics, Krakow 31-342, Poland
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - M Bračko
- J. Stefan Institute, 1000 Ljubljana, Slovenia
- University of Maribor, 2000 Maribor, Slovenia
| | - T E Browder
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - S Di Carlo
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - R Cheaib
- University of Mississippi, University, Mississippi 38677, USA
| | - A Chen
- National Central University, Chung-li 32054, Taiwan
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B G Cheon
- Hanyang University, Seoul 133-791, South Korea
| | - K Chilikin
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russian Federation
| | - K Cho
- Korea Institute of Science and Technology Information, Daejeon 305-806, South Korea
| | - Y Choi
- Sungkyunkwan University, Suwon 440-746, South Korea
| | - S Choudhury
- Indian Institute of Technology Hyderabad, Telangana 502285, India
| | | | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - D Cinabro
- Wayne State University, Detroit, Michigan 48202, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - S Cunliffe
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
| | - N Dash
- Indian Institute of Technology Bhubaneswar, Satya Nagar 751007, India
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - G De Nardo
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - B Dey
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Di Lodovico
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - Z Doležal
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - Z Drásal
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - S Eidelman
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - D Epifanov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - J E Fast
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - M Feindt
- Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
| | - T Ferber
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - B G Fulsom
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - R Garg
- Panjab University, Chandigarh 160014, India
| | - A Garmash
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Gaur
- Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Gelb
- Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - L Li Gioi
- Max-Planck-Institut für Physik, 80805 München, Germany
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Giri
- Indian Institute of Technology Hyderabad, Telangana 502285, India
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - P Goldenzweig
- Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
| | - B Golob
- J. Stefan Institute, 1000 Ljubljana, Slovenia
- Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - Y Guan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
- Indiana University, Bloomington, Indiana 47408, USA
| | - E Guido
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - J Haba
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - T Hara
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - K Hayasaka
- Niigata University, Niigata 950-2181, Japan
| | - H Hayashii
- Nara Women's University, Nara 630-8506, Japan
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia, Canada V6T 1Z1
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - M Heck
- Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
| | - M T Hedges
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - S Hirose
- Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - W-S Hou
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - C-L Hsu
- School of Physics, University of Melbourne, Victoria 3010, Australia
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - C Van Hulse
- University of the Basque Country UPV/EHU, 48080 Bilbao, Spain
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - K Inami
- Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
| | - G Inguglia
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Ishikawa
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - R Itoh
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - M Iwasaki
- Osaka City University, Osaka 558-8585, Japan
| | - Y Iwasaki
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - W W Jacobs
- Indiana University, Bloomington, Indiana 47408, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - S Jia
- Beihang University, Beijing 100191, China
| | - Y Jin
- Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
| | - K K Joo
- Chonnam National University, Kwangju 660-701, South Korea
| | - T Julius
- School of Physics, University of Melbourne, Victoria 3010, Australia
| | - A B Kaliyar
- Indian Institute of Technology Madras, Chennai 600036, India
| | - K H Kang
- Kyungpook National University, Daegu 702-701, South Korea
| | - G Karyan
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - H Kichimi
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - D Y Kim
- Soongsil University, Seoul 156-743, South Korea
| | - J B Kim
- Korea University, Seoul 136-713, South Korea
| | - K T Kim
- Korea University, Seoul 136-713, South Korea
| | - S H Kim
- Hanyang University, Seoul 133-791, South Korea
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - K Kinoshita
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - P Kodyš
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - S Korpar
- J. Stefan Institute, 1000 Ljubljana, Slovenia
- University of Maribor, 2000 Maribor, Slovenia
| | - D Kotchetkov
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - P Križan
- J. Stefan Institute, 1000 Ljubljana, Slovenia
- Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - R Kroeger
- University of Mississippi, University, Mississippi 38677, USA
| | - P Krokovny
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - T Kuhr
- Ludwig Maximilians University, 80539 Munich, Germany
| | - R Kulasiri
- Kennesaw State University, Kennesaw, Georgia 30144, USA
| | - T Kumita
- Tokyo Metropolitan University, Tokyo 192-0397, Japan
| | - A Kuzmin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - Y-J Kwon
- Yonsei University, Seoul 120-749, South Korea
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - J S Lange
- Justus-Liebig-Universität Gießen, 35392 Gießen, Germany
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - I S Lee
- Hanyang University, Seoul 133-791, South Korea
| | - S C Lee
- Kyungpook National University, Daegu 702-701, South Korea
| | - J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - L K Li
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y B Li
- Peking University, Beijing 100871, China
| | - Y Li
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Libby
- Indian Institute of Technology Madras, Chennai 600036, India
| | - D Liventsev
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
- Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - M Lubej
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - T Luo
- Key Laboratory of Nuclear Physics and Ion-Beam Application (MOE) and Institute of Modern Physics, Fudan University, Shanghai 200443, China
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J MacNaughton
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | | | - M Masuda
- Earthquake Research Institute, University of Tokyo, Tokyo 113-0032, Japan
| | - T Matsuda
- University of Miyazaki, Miyazaki 889-2192, Japan
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - D Matvienko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - M Merola
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | | | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - H Miyata
- Niigata University, Niigata 950-2181, Japan
| | - R Mizuk
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russian Federation
- Moscow Physical Engineering Institute, Moscow 115409, Russian Federation
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - G B Mohanty
- Tata Institute of Fundamental Research, Mumbai 400005, India
| | - H K Moon
- Korea University, Seoul 136-713, South Korea
| | - T Mori
- Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - T Müller
- Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
| | - R Mussa
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - E Nakano
- Osaka City University, Osaka 558-8585, Japan
| | - M Nakao
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T Nanut
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - K J Nath
- Indian Institute of Technology Guwahati, Assam 781039, India
| | - M Nayak
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
- Wayne State University, Detroit, Michigan 48202, USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - N K Nisar
- University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
| | - S Nishida
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - S Ogawa
- Toho University, Funabashi 274-8510, Japan
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - H Ono
- Nippon Dental University, Niigata 951-8580, Japan
- Niigata University, Niigata 950-2181, Japan
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
- Novosibirsk State Technical University, Novosibirsk 630092, Russian Federation
| | - Y Onuki
- Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
| | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - P Pakhlov
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russian Federation
- Moscow Physical Engineering Institute, Moscow 115409, Russian Federation
| | - G Pakhlova
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russian Federation
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - B Pal
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Pardi
- INFN Sezione di Napoli, I-80126 Napoli, Italy
| | - H Park
- Kyungpook National University, Daegu 702-701, South Korea
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Paul
- Department of Physics, Technische Universität München, 85748 Garching, Germany
| | - I Pavelkin
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - T K Pedlar
- Luther College, Decorah, Iowa 52101, USA
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R Pestotnik
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - L E Piilonen
- Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Popov
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russian Federation
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | | | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, The Netherlands
| | - P K Resmi
- Indian Institute of Technology Madras, Chennai 600036, India
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | - M Ritter
- Ludwig Maximilians University, 80539 Munich, Germany
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - S H Robertson
- Institute of Particle Physics, Montréal, Québec, Canada H3A 2T8
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
- Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rozanska
- H. Niewodniczanski Institute of Nuclear Physics, Krakow 31-342, Poland
| | - G Russo
- INFN Sezione di Napoli, I-80126 Napoli, Italy
| | - R Sacco
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - S Al Said
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Kingdom of Saudi Arabia
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451, Kingdom of Saudi Arabia
| | - Y Sakai
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - M Salehi
- Ludwig Maximilians University, 80539 Munich, Germany
- University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - S Sandilya
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Santelj
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - T Sanuki
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - V Savinov
- University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
| | - O Schneider
- École Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - G Schnell
- University of the Basque Country UPV/EHU, 48080 Bilbao, Spain
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - C Schwanda
- Institute of High Energy Physics, Vienna 1050, Austria
| | - A J Schwartz
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - C Sciacca
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - R M Seddon
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - Y Seino
- Niigata University, Niigata 950-2181, Japan
| | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - K Senyo
- Yamagata University, Yamagata 990-8560, Japan
| | - O Seon
- Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - M E Sevior
- School of Physics, University of Melbourne, Victoria 3010, Australia
| | - V Shebalin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - C P Shen
- Beihang University, Beijing 100191, China
| | - T-A Shibata
- Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - N Shimizu
- Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
| | - J-G Shiu
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simon
- Max-Planck-Institut für Physik, 80805 München, Germany
- Excellence Cluster Universe, Technische Universität München, 85748 Garching, Germany
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia, Canada V8W 3P6
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - E Solovieva
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russian Federation
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - M Starič
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - K Sumisawa
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T Sumiyoshi
- Tokyo Metropolitan University, Tokyo 192-0397, Japan
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - M Takizawa
- J-PARC Branch, KEK Theory Center, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
- Theoretical Research Division, Nishina Center, RIKEN, Saitama 351-0198, Japan
- Showa Pharmaceutical University, Tokyo 194-8543, Japan
| | - U Tamponi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - K Tanida
- Advanced Science Research Center, Japan Atomic Energy Agency, Naka 319-1195, Japan
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F Tenchini
- School of Physics, University of Melbourne, Victoria 3010, Australia
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - K Yu Todyshevx
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - M Uchida
- Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - T Uglov
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russian Federation
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - Y Unno
- Hanyang University, Seoul 133-791, South Korea
| | - S Uno
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - S E Vahsen
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - G Varner
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D Červenkov
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - V Vorobyev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - E Waheed
- School of Physics, University of Melbourne, Victoria 3010, Australia
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - B Wang
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - C H Wang
- National United University, Miao Li 36003, Taiwan
| | - M-Z Wang
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - P Wang
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y Watanabe
- Kanagawa University, Yokohama 221-8686, Japan
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, United Kingdom
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - E Won
- Korea University, Seoul 136-713, South Korea
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - H Ye
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
| | - C Z Yuan
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y Yusa
- Niigata University, Niigata 950-2181, Japan
| | - S Zakharov
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russian Federation
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - L Zani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - Z P Zhang
- University of Science and Technology of China, Hefei 230026, China
| | - V Zhilich
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - V Zhukova
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russian Federation
- Moscow Physical Engineering Institute, Moscow 115409, Russian Federation
| | - V Zhulanov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - A Zupanc
- J. Stefan Institute, 1000 Ljubljana, Slovenia
- Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana, Slovenia
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17
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Abe K, Akutsu R, Ali A, Amey J, Andreopoulos C, Anthony L, Antonova M, Aoki S, Ariga A, Ashida Y, Azuma Y, Ban S, Barbi M, Barker GJ, Barr G, Barry C, Batkiewicz M, Bench F, Berardi V, Berkman S, Berner RM, Berns L, Bhadra S, Bienstock S, Blondel A, Bolognesi S, Bourguille B, Boyd SB, Brailsford D, Bravar A, Bronner C, Buizza Avanzini M, Calcutt J, Campbell T, Cao S, Cartwright SL, Catanesi MG, Cervera A, Chappell A, Checchia C, Cherdack D, Chikuma N, Christodoulou G, Coleman J, Collazuol G, Coplowe D, Cudd A, Dabrowska A, De Rosa G, Dealtry T, Denner PF, Dennis SR, Densham C, Di Lodovico F, Dokania N, Dolan S, Drapier O, Duffy KE, Dumarchez J, Dunne P, Emery-Schrenk S, Ereditato A, Fernandez P, Feusels T, Finch AJ, Fiorentini GA, Fiorillo G, Francois C, Friend M, Fujii Y, Fujita R, Fukuda D, Fukuda Y, Gameil K, Giganti C, Gizzarelli F, Golan T, Gonin M, Hadley DR, Haegel L, Haigh JT, Hamacher-Baumann P, Hansen D, Harada J, Hartz M, Hasegawa T, Hastings NC, Hayashino T, Hayato Y, Hiramoto A, Hogan M, Holeczek J, Hosomi F, Ichikawa AK, Ikeda M, Imber J, Inoue T, Intonti RA, Ishida T, Ishii T, Ishitsuka M, Iwamoto K, Izmaylov A, Jamieson B, Jiang M, Johnson S, Jonsson P, Jung CK, Kabirnezhad M, Kaboth AC, Kajita T, Kakuno H, Kameda J, Karlen D, Katori T, Kato Y, Kearns E, Khabibullin M, Khotjantsev A, Kim H, Kim J, King S, Kisiel J, Knight A, Knox A, Kobayashi T, Koch L, Koga T, Koller PP, Konaka A, Kormos LL, Koshio Y, Kowalik K, Kubo H, Kudenko Y, Kurjata R, Kutter T, Kuze M, Labarga L, Lagoda J, Lamoureux M, Lasorak P, Laveder M, Lawe M, Licciardi M, Lindner T, Liptak ZJ, Litchfield RP, Li X, Longhin A, Lopez JP, Lou T, Ludovici L, Lu X, Magaletti L, Mahn K, Malek M, Manly S, Maret L, Marino AD, Martin JF, Martins P, Maruyama T, Matsubara T, Matveev V, Mavrokoridis K, Ma WY, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Mefodiev A, Metelko C, Mezzetto M, Minamino A, Mineev O, Mine S, Missert A, Miura M, Moriyama S, Morrison J, Mueller TA, Murphy S, Nagai Y, Nakadaira T, Nakahata M, Nakajima Y, Nakamura KG, Nakamura K, Nakamura KD, Nakanishi Y, Nakayama S, Nakaya T, Nakayoshi K, Nantais C, Nielsen C, Niewczas K, Nishikawa K, Nishimura Y, Nonnenmacher TS, Novella P, Nowak J, O'Keeffe HM, O'Sullivan L, Okumura K, Okusawa T, Oryszczak W, Oser SM, Owen RA, Oyama Y, Palladino V, Palomino JL, Paolone V, Paudyal P, Pavin M, Payne D, Pickering L, Pidcott C, Pinzon Guerra ES, Pistillo C, Popov B, Porwit K, Posiadala-Zezula M, Pritchard A, Quilain B, Radermacher T, Radicioni E, Ratoff PN, Reinherz-Aronis E, Riccio C, Rondio E, Rossi B, Roth S, Rubbia A, Ruggeri AC, Rychter A, Sakashita K, Sánchez F, Sasaki S, Scantamburlo E, Scholberg K, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shah R, Shaikhiev A, Shaker F, Shaw D, Shiozawa M, Smirnov A, Smy M, Sobczyk JT, Sobel H, Sonoda Y, Steinmann J, Stewart T, Stowell P, Suda Y, Suvorov S, Suzuki A, Suzuki SY, Suzuki Y, Sztuc AA, Tacik R, Tada M, Takeda A, Takeuchi Y, Tamura R, Tanaka HK, Tanaka HA, Thakore T, Thompson LF, Toki W, Touramanis C, Tsui KM, Tsukamoto T, Tzanov M, Uchida Y, Uno W, Vagins M, Vallari Z, Vasseur G, Vilela C, Vladisavljevic T, Volkov VV, Wachala T, Walker J, Wang Y, Wark D, Wascko MO, Weber A, Wendell R, Wilking MJ, Wilkinson C, Wilson JR, Wilson RJ, Wret C, Yamada Y, Yamamoto K, Yamasu S, Yanagisawa C, Yang G, Yano T, Yasutome K, Yen S, Yershov N, Yokoyama M, Yoshida T, Yu M, Zalewska A, Zalipska J, Zaremba K, Zarnecki G, Ziembicki M, Zimmerman ED, Zito M, Zsoldos S, Zykova A. Search for CP Violation in Neutrino and Antineutrino Oscillations by the T2K Experiment with 2.2×10^{21} Protons on Target. Phys Rev Lett 2018; 121:171802. [PMID: 30411920 DOI: 10.1103/physrevlett.121.171802] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Indexed: 06/08/2023]
Abstract
The T2K experiment measures muon neutrino disappearance and electron neutrino appearance in accelerator-produced neutrino and antineutrino beams. With an exposure of 14.7(7.6)×10^{20} protons on target in the neutrino (antineutrino) mode, 89 ν_{e} candidates and seven anti-ν_{e} candidates are observed, while 67.5 and 9.0 are expected for δ_{CP}=0 and normal mass ordering. The obtained 2σ confidence interval for the CP-violating phase, δ_{CP}, does not include the CP-conserving cases (δ_{CP}=0, π). The best-fit values of other parameters are sin^{2}θ_{23}=0.526_{-0.036}^{+0.032} and Δm_{32}^{2}=2.463_{-0.070}^{+0.071}×10^{-3} eV^{2}/c^{4}.
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Affiliation(s)
- K Abe
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - R Akutsu
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - A Ali
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - J Amey
- Imperial College London, Department of Physics, London, United Kingdom
| | - C Andreopoulos
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - L Anthony
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - M Antonova
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - S Aoki
- Kobe University, Kobe, Japan
| | - A Ariga
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - Y Ashida
- Kyoto University, Department of Physics, Kyoto, Japan
| | - Y Azuma
- Osaka City University, Department of Physics, Osaka, Japan
| | - S Ban
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Barbi
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - G J Barker
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - G Barr
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - C Barry
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - M Batkiewicz
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - F Bench
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - V Berardi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - S Berkman
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - R M Berner
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - L Berns
- Tokyo Institute of Technology, Department of Physics, Tokyo, Japan
| | - S Bhadra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - S Bienstock
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - A Blondel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | | | - B Bourguille
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - S B Boyd
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - D Brailsford
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - A Bravar
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - C Bronner
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - M Buizza Avanzini
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - J Calcutt
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - T Campbell
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - S Cao
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S L Cartwright
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - M G Catanesi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - A Cervera
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - A Chappell
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - C Checchia
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - D Cherdack
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - N Chikuma
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - G Christodoulou
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - J Coleman
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - G Collazuol
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - D Coplowe
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - A Cudd
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - A Dabrowska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - G De Rosa
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - T Dealtry
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - P F Denner
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - S R Dennis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - C Densham
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - F Di Lodovico
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - N Dokania
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - S Dolan
- IRFU, CEA Saclay, Gif-sur-Yvette, France
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - O Drapier
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - K E Duffy
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - J Dumarchez
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - P Dunne
- Imperial College London, Department of Physics, London, United Kingdom
| | | | - A Ereditato
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - P Fernandez
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - T Feusels
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - A J Finch
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - G A Fiorentini
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - G Fiorillo
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - C Francois
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - M Friend
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fujii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - R Fujita
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - D Fukuda
- Okayama University, Department of Physics, Okayama, Japan
| | - Y Fukuda
- Miyagi University of Education, Department of Physics, Sendai, Japan
| | - K Gameil
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - C Giganti
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | | | - T Golan
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - M Gonin
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - D R Hadley
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - L Haegel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - J T Haigh
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | | | - D Hansen
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - J Harada
- Osaka City University, Department of Physics, Osaka, Japan
| | - M Hartz
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- TRIUMF, Vancouver, British Columbia, Canada
| | - T Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - N C Hastings
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - T Hayashino
- Kyoto University, Department of Physics, Kyoto, Japan
| | - Y Hayato
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - A Hiramoto
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Hogan
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - J Holeczek
- University of Silesia, Institute of Physics, Katowice, Poland
| | - F Hosomi
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - A K Ichikawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Ikeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Imber
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - T Inoue
- Osaka City University, Department of Physics, Osaka, Japan
| | - R A Intonti
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - T Ishida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Ishii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Ishitsuka
- Tokyo University of Science, Faculty of Science and Technology, Department of Physics, Noda, Chiba, Japan
| | - K Iwamoto
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - A Izmaylov
- IFIC (CSIC and University of Valencia), Valencia, Spain
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - B Jamieson
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - M Jiang
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Johnson
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - P Jonsson
- Imperial College London, Department of Physics, London, United Kingdom
| | - C K Jung
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - M Kabirnezhad
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - A C Kaboth
- Royal Holloway University of London, Department of Physics, Egham, Surrey, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - T Kajita
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H Kakuno
- Tokyo Metropolitan University, Department of Physics, Tokyo, Japan
| | - J Kameda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - D Karlen
- TRIUMF, Vancouver, British Columbia, Canada
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - T Katori
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - Y Kato
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - E Kearns
- Boston University, Department of Physics, Boston, Massachusetts, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Khabibullin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Khotjantsev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - H Kim
- Osaka City University, Department of Physics, Osaka, Japan
| | - J Kim
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - S King
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - J Kisiel
- University of Silesia, Institute of Physics, Katowice, Poland
| | - A Knight
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - A Knox
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - T Kobayashi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - L Koch
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - T Koga
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - P P Koller
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - A Konaka
- TRIUMF, Vancouver, British Columbia, Canada
| | - L L Kormos
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - Y Koshio
- Okayama University, Department of Physics, Okayama, Japan
| | - K Kowalik
- National Centre for Nuclear Research, Warsaw, Poland
| | - H Kubo
- Kyoto University, Department of Physics, Kyoto, Japan
| | - Y Kudenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - R Kurjata
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - T Kutter
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - M Kuze
- Tokyo Institute of Technology, Department of Physics, Tokyo, Japan
| | - L Labarga
- University Autonoma Madrid, Department of Theoretical Physics, Madrid, Spain
| | - J Lagoda
- National Centre for Nuclear Research, Warsaw, Poland
| | | | - P Lasorak
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - M Laveder
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - M Lawe
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Licciardi
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - T Lindner
- TRIUMF, Vancouver, British Columbia, Canada
| | - Z J Liptak
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - R P Litchfield
- Imperial College London, Department of Physics, London, United Kingdom
| | - X Li
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - A Longhin
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - J P Lopez
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - T Lou
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - L Ludovici
- INFN Sezione di Roma and Università di Roma "La Sapienza," Roma, Italy
| | - X Lu
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - L Magaletti
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - K Mahn
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - M Malek
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - S Manly
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - L Maret
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - A D Marino
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - J F Martin
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - P Martins
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - T Maruyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Matsubara
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Matveev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - K Mavrokoridis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - W Y Ma
- Imperial College London, Department of Physics, London, United Kingdom
| | | | - M McCarthy
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - N McCauley
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - K S McFarland
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - C McGrew
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - A Mefodiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - C Metelko
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - M Mezzetto
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - A Minamino
- Yokohama National University, Faculty of Engineering, Yokohama, Japan
| | - O Mineev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Mine
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - A Missert
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Miura
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - S Moriyama
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Morrison
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - Th A Mueller
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - S Murphy
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - Y Nagai
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - T Nakadaira
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Nakahata
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Nakajima
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - K G Nakamura
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Nakamura
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - K D Nakamura
- Kyoto University, Department of Physics, Kyoto, Japan
| | - Y Nakanishi
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Nakayama
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Nakaya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Nakayoshi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - C Nantais
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - C Nielsen
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - K Niewczas
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - K Nishikawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Nishimura
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T S Nonnenmacher
- Imperial College London, Department of Physics, London, United Kingdom
| | - P Novella
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - J Nowak
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - H M O'Keeffe
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - L O'Sullivan
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - K Okumura
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Okusawa
- Osaka City University, Department of Physics, Osaka, Japan
| | - W Oryszczak
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | - S M Oser
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - R A Owen
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - Y Oyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Palladino
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - J L Palomino
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - V Paolone
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - P Paudyal
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - M Pavin
- TRIUMF, Vancouver, British Columbia, Canada
| | - D Payne
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - L Pickering
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - C Pidcott
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - E S Pinzon Guerra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - C Pistillo
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - B Popov
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - K Porwit
- University of Silesia, Institute of Physics, Katowice, Poland
| | | | - A Pritchard
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - B Quilain
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - T Radermacher
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - E Radicioni
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - P N Ratoff
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - E Reinherz-Aronis
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - C Riccio
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - E Rondio
- National Centre for Nuclear Research, Warsaw, Poland
| | - B Rossi
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - S Roth
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Rubbia
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - A C Ruggeri
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - A Rychter
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - K Sakashita
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - F Sánchez
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - S Sasaki
- Tokyo Metropolitan University, Department of Physics, Tokyo, Japan
| | - E Scantamburlo
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - K Scholberg
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - J Schwehr
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - M Scott
- Imperial College London, Department of Physics, London, United Kingdom
| | - Y Seiya
- Osaka City University, Department of Physics, Osaka, Japan
| | - T Sekiguchi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - H Sekiya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - D Sgalaberna
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - R Shah
- Oxford University, Department of Physics, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - A Shaikhiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - F Shaker
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - D Shaw
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Shiozawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - A Smirnov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Smy
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - J T Sobczyk
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - H Sobel
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - Y Sonoda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Steinmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - T Stewart
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - P Stowell
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - Y Suda
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - S Suvorov
- IRFU, CEA Saclay, Gif-sur-Yvette, France
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | | | - S Y Suzuki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Suzuki
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - A A Sztuc
- Imperial College London, Department of Physics, London, United Kingdom
| | - R Tacik
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Tada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - A Takeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Takeuchi
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Kobe University, Kobe, Japan
| | - R Tamura
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - H K Tanaka
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - H A Tanaka
- SLAC National Accelerator Laboratory, Stanford University, Menlo Park, California, USA
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - T Thakore
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - L F Thompson
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - W Toki
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - C Touramanis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - K M Tsui
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Tsukamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Tzanov
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - Y Uchida
- Imperial College London, Department of Physics, London, United Kingdom
| | - W Uno
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Vagins
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - Z Vallari
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - G Vasseur
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - C Vilela
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - T Vladisavljevic
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - V V Volkov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - T Wachala
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Walker
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - Y Wang
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - D Wark
- Oxford University, Department of Physics, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - M O Wascko
- Imperial College London, Department of Physics, London, United Kingdom
| | - A Weber
- Oxford University, Department of Physics, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - R Wendell
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M J Wilking
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - C Wilkinson
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - J R Wilson
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - R J Wilson
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - C Wret
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - Y Yamada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Yamamoto
- Osaka City University, Department of Physics, Osaka, Japan
| | - S Yamasu
- Okayama University, Department of Physics, Okayama, Japan
| | - C Yanagisawa
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - G Yang
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - T Yano
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - K Yasutome
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Yen
- TRIUMF, Vancouver, British Columbia, Canada
| | - N Yershov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Yokoyama
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - T Yoshida
- Tokyo Institute of Technology, Department of Physics, Tokyo, Japan
| | - M Yu
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - A Zalewska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Zalipska
- National Centre for Nuclear Research, Warsaw, Poland
| | - K Zaremba
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - G Zarnecki
- National Centre for Nuclear Research, Warsaw, Poland
| | - M Ziembicki
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - E D Zimmerman
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Zito
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - S Zsoldos
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - A Zykova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
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18
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Abstract
Introduction Transurethral resection of the prostate (TURP) is considered the gold standard surgical treatment for lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia. The number of TURPs performed has declined significantly over the last three decades owing to pharmaceutical therapy. TURP data from a single institution for the years 1990, 2000 and 2010 were compared to assess the difference in performance. Methods A retrospective analysis was undertaken of all patients who underwent TURP between January and December 2010. These findings were compared with historical data for the years 1990 and 2000: 100 sets of case notes were selected randomly from each of these years. Results The number of TURPs performed fell from 326 in 1990 to 113 in 2010. The mean age of patients increased from 70.6 years to 74.0 years. There was also a significant increase in the mean ASA grade from 1.9 to 2.3. The most common indication for TURP shifted from LUTS to acute urinary retention. No significant change in operating time was observed. The mean resection weight remained constant (22.95g in 1990, 22.55g in 2000, 20.76g in 2010). A reduction in transfusion rates was observed but there were higher rates of secondary haematuria and bladder neck stenosis. There was an increase from 2% to 11.5% of patients with long-term failure to void following TURP. Conclusions The number of TURPs performed continues to decline, which could lead to potential training issues. Urinary retention is still by far the most common indication. However, there has been a significant rise in the percentage of men presenting for TURP with high pressure chronic retention. The number of patients with bladder dysfunction who either have persistent storage LUTS or eventually require long-term catheterisation or intermittent self-catheterisation has increased markedly, which raises the question of what the long-term real life impact of medical therapy is on men with LUTS secondary to benign prostatic hyperplasia who eventually require surgery.
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Affiliation(s)
- MJ Young
- York Teaching Hospital NHS Foundation Trust, UK
| | | | - T Morrison
- York Teaching Hospital NHS Foundation Trust, UK
| | - JR Wilson
- York Teaching Hospital NHS Foundation Trust, UK
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19
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Timothy J, Petralia V, Wilson JR. Use of an Ultrasonic Bone Curet for the Extraction of a Cervical Artificial Disc: A Novel Application: A Case Report. JBJS Case Connect 2018; 8:e5. [PMID: 29369059 DOI: 10.2106/jbjs.cc.17.00091] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
CASE Eighteen months after implantation of a C6-C7 cervical artificial disc (ProDisc-C; DePuy Synthes), a 44-year-old woman presented with right-sided C7 radiculopathy. Imaging revealed posterior subsidence of the prosthesis, with C7 foraminal stenosis. An ultrasonic curet was used to safely and effectively extract the prosthesis without neurologic complication; safe access for the insertion of an intervertebral cage was facilitated. CONCLUSION The ultrasonic curet was a safe and effective adjunct for revision artificial cervical disc replacement surgery; this technique may help to reduce potential injury to neural structures in a procedure with a traditionally high complication rate.
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Affiliation(s)
- J Timothy
- Department of Neurosurgery, Leeds General Infirmary, Leeds, United Kingdom
| | - V Petralia
- Division of Neurosurgery, Santa Chiara Hospital, Trento, Italy
| | - J R Wilson
- Department of Neurosurgery, Leeds General Infirmary, Leeds, United Kingdom
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20
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Dey B, Neri N, Palombo F, Cheaib R, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL, Sun L. Measurement of the D^{*}(2010)^{+}-D^{+} Mass Difference. Phys Rev Lett 2017; 119:202003. [PMID: 29219353 DOI: 10.1103/physrevlett.119.202003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Indexed: 06/07/2023]
Abstract
We measure the mass difference, Δm_{+}, between the D^{*}(2010)^{+} and the D^{+} using the decay chain D^{*}(2010)^{+}→D^{+}π^{0} with D^{+}→K^{-}π^{+}π^{+}. The data were recorded with the BABAR detector at center-of-mass energies at and near the ϒ(4S) resonance, and correspond to an integrated luminosity of approximately 468 fb^{-1}. We measure Δm_{+}=(140 601.0±6.8[stat]±12.9[syst]) keV. We combine this result with a previous BABAR measurement of Δm_{0}≡m(D^{*}(2010)^{+})-m(D^{0}) to obtain Δm_{D}=m(D^{+})-m(D^{0})=(4824.9±6.8[stat]±12.9[syst]) keV. These results are compatible with and approximately five times more precise than the Particle Data Group averages.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia V6T 1Z1, Canada
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - R Y So
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam, 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - H Ahmed
- Physics Department, Jazan University, Jazan 22822, Saudi Arabia
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics and McGill University, Montréal, Québec H3A 2T8, Canada
| | - B Dey
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - R Cheaib
- University of Mississippi, University, Mississippi 38677, USA
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- The Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- The Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - G J King
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T Lueck
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - I M Nugent
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - J M Roney
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R J Sobie
- Institute of Particle Physics, British Columbia V8W 3P6, Canada
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - N Tasneem
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - L Sun
- Wuhan University, Wuhan 430072, China
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Derdzinski M, Giuffrida A, Kolomensky YG, Fritsch M, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Lacker HM, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Robertson SH, Dey B, Neri N, Palombo F, Cheaib R, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Search for Invisible Decays of a Dark Photon Produced in e^{+}e^{-} Collisions at BaBar. Phys Rev Lett 2017; 119:131804. [PMID: 29341718 DOI: 10.1103/physrevlett.119.131804] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Indexed: 06/07/2023]
Abstract
We search for single-photon events in 53 fb^{-1} of e^{+}e^{-} collision data collected with the BABAR detector at the PEP-II B-Factory. We look for events with a single high-energy photon and a large missing momentum and energy, consistent with production of a spin-1 particle A^{'} through the process e^{+}e^{-}→γA^{'}; A^{'}→invisible. Such particles, referred to as "dark photons," are motivated by theories applying a U(1) gauge symmetry to dark matter. We find no evidence for such processes and set 90% confidence level upper limits on the coupling strength of A^{'} to e^{+}e^{-} in the mass range m_{A^{'}}≤8 GeV. In particular, our limits exclude the values of the A^{'} coupling suggested by the dark-photon interpretation of the muon (g-2)_{μ} anomaly, as well as a broad range of parameters for the dark-sector models.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Derdzinski
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - A Giuffrida
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Fritsch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - C Hearty
- Institute of Particle Physics, Vancouver, British Columbia V6T 1Z1, Canada
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - R Y So
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rotondo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - H Ahmed
- Physics Department, Jazan University, Jazan 22822, Saudi Arabia
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - S H Robertson
- Institute of Particle Physics and McGill University, Montréal, Québec H3A 2T8, Canada
| | - B Dey
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - R Cheaib
- University of Mississippi, University, Mississippi 38677, USA
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- The Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- The Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv, 69978, Israel
| | - N Guttman
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv, 69978, Israel
| | - D R Peimer
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv, 69978, Israel
| | - A Soffer
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv, 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - G J King
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - T Lueck
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - J M Roney
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - R J Sobie
- Institute of Particle Physics, Victoria, British Columbia, V8W 3P6, Canada
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, V8W 3P6, Canada
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Abe K, Amey J, Andreopoulos C, Antonova M, Aoki S, Ariga A, Autiero D, Ban S, Barbi M, Barker GJ, Barr G, Barry C, Bartet-Friburg P, Batkiewicz M, Berardi V, Berkman S, Bhadra S, Bienstock S, Blondel A, Bolognesi S, Bordoni S, Boyd SB, Brailsford D, Bravar A, Bronner C, Buizza Avanzini M, Calland RG, Campbell T, Cao S, Cartwright SL, Catanesi MG, Cervera A, Checchia C, Cherdack D, Chikuma N, Christodoulou G, Clifton A, Coleman J, Collazuol G, Coplowe D, Cudd A, Dabrowska A, De Rosa G, Dealtry T, Denner PF, Dennis SR, Densham C, Dewhurst D, Di Lodovico F, Di Luise S, Dolan S, Drapier O, Duffy KE, Dumarchez J, Dziewiecki M, Emery-Schrenk S, Ereditato A, Feusels T, Finch AJ, Fiorentini GA, Friend M, Fujii Y, Fukuda D, Fukuda Y, Galymov V, Garcia A, Giganti C, Gizzarelli F, Golan T, Gonin M, Hadley DR, Haegel L, Haigh MD, Hansen D, Harada J, Hartz M, Hasegawa T, Hastings NC, Hayashino T, Hayato Y, Helmer RL, Hillairet A, Hiraki T, Hiramoto A, Hirota S, Hogan M, Holeczek J, Hosomi F, Huang K, Ichikawa AK, Ikeda M, Imber J, Insler J, Intonti RA, Ishida T, Ishii T, Iwai E, Iwamoto K, Izmaylov A, Jamieson B, Jiang M, Johnson S, Jonsson P, Jung CK, Kabirnezhad M, Kaboth AC, Kajita T, Kakuno H, Kameda J, Karlen D, Katori T, Kearns E, Khabibullin M, Khotjantsev A, Kim H, Kim J, King S, Kisiel J, Knight A, Knox A, Kobayashi T, Koch L, Koga T, Konaka A, Kondo K, Kormos LL, Korzenev A, Koshio Y, Kowalik K, Kropp W, Kudenko Y, Kurjata R, Kutter T, Lagoda J, Lamont I, Lamoureux M, Larkin E, Lasorak P, Laveder M, Lawe M, Licciardi M, Lindner T, Liptak ZJ, Litchfield RP, Li X, Longhin A, Lopez JP, Lou T, Ludovici L, Lu X, Magaletti L, Mahn K, Malek M, Manly S, Marino AD, Martin JF, Martins P, Martynenko S, Maruyama T, Matveev V, Mavrokoridis K, Ma WY, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Mefodiev A, Metelko C, Mezzetto M, Mijakowski P, Minamino A, Mineev O, Mine S, Missert A, Miura M, Moriyama S, Mueller TA, Myslik J, Nakadaira T, Nakahata M, Nakamura KG, Nakamura K, Nakamura KD, Nakanishi Y, Nakayama S, Nakaya T, Nakayoshi K, Nantais C, Nielsen C, Nirkko M, Nishikawa K, Nishimura Y, Novella P, Nowak J, O'Keeffe HM, Okumura K, Okusawa T, Oryszczak W, Oser SM, Ovsyannikova T, Owen RA, Oyama Y, Palladino V, Palomino JL, Paolone V, Patel ND, Paudyal P, Pavin M, Payne D, Perkin JD, Petrov Y, Pickard L, Pickering L, Pinzon Guerra ES, Pistillo C, Popov B, Posiadala-Zezula M, Poutissou JM, Poutissou R, Przewlocki P, Quilain B, Radermacher T, Radicioni E, Ratoff PN, Ravonel M, Rayner MA, Redij A, Reinherz-Aronis E, Riccio C, Rodrigues PA, Rondio E, Rossi B, Roth S, Rubbia A, Rychter A, Sakashita K, Sánchez F, Scantamburlo E, Scholberg K, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shah R, Shaikhiev A, Shaker F, Shaw D, Shiozawa M, Shirahige T, Short S, Smy M, Sobczyk JT, Sobel H, Sorel M, Southwell L, Steinmann J, Stewart T, Stowell P, Suda Y, Suvorov S, Suzuki A, Suzuki SY, Suzuki Y, Tacik R, Tada M, Takeda A, Takeuchi Y, Tanaka HK, Tanaka HA, Terhorst D, Terri R, Thakore T, Thompson LF, Tobayama S, Toki W, Tomura T, Touramanis C, Tsukamoto T, Tzanov M, Uchida Y, Vagins M, Vallari Z, Vasseur G, Vladisavljevic T, Wachala T, Walter CW, Wark D, Wascko MO, Weber A, Wendell R, Wilkes RJ, Wilking MJ, Wilkinson C, Wilson JR, Wilson RJ, Wret C, Yamada Y, Yamamoto K, Yamamoto M, Yanagisawa C, Yano T, Yen S, Yershov N, Yokoyama M, Yoshida K, Yuan T, Yu M, Zalewska A, Zalipska J, Zambelli L, Zaremba K, Ziembicki M, Zimmerman ED, Zito M, Żmuda J. Combined Analysis of Neutrino and Antineutrino Oscillations at T2K. Phys Rev Lett 2017; 118:151801. [PMID: 28452532 DOI: 10.1103/physrevlett.118.151801] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Indexed: 06/07/2023]
Abstract
T2K reports its first results in the search for CP violation in neutrino oscillations using appearance and disappearance channels for neutrino- and antineutrino-mode beams. The data include all runs from January 2010 to May 2016 and comprise 7.482×10^{20} protons on target in neutrino mode, which yielded in the far detector 32 e-like and 135 μ-like events, and 7.471×10^{20} protons on target in antineutrino mode, which yielded 4 e-like and 66 μ-like events. Reactor measurements of sin^{2}2θ_{13} have been used as an additional constraint. The one-dimensional confidence interval at 90% for the phase δ_{CP} spans the range (-3.13, -0.39) for normal mass ordering. The CP conservation hypothesis (δ_{CP}=0, π) is excluded at 90% C.L.
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Affiliation(s)
- K Abe
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - J Amey
- Department of Physics, Imperial College London, London, United Kingdom
| | - C Andreopoulos
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, United Kingdom and Daresbury Laboratory, Warrington, United Kingdom
| | - M Antonova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Aoki
- Kobe University, Kobe, Japan
| | - A Ariga
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - D Autiero
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - S Ban
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Barbi
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
| | - G J Barker
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - G Barr
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - C Barry
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - P Bartet-Friburg
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), UPMC, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - M Batkiewicz
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - V Berardi
- INFN Sezione di Bari and Dipartimento Interuniversitario di Fisica, Università e Politecnico di Bari, Bari, Italy
| | - S Berkman
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - S Bhadra
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - S Bienstock
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), UPMC, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - A Blondel
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | | | - S Bordoni
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - S B Boyd
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - D Brailsford
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - A Bravar
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - C Bronner
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Buizza Avanzini
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - R G Calland
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - T Campbell
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - S Cao
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S L Cartwright
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - M G Catanesi
- INFN Sezione di Bari and Dipartimento Interuniversitario di Fisica, Università e Politecnico di Bari, Bari, Italy
| | - A Cervera
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - C Checchia
- INFN Sezione di Padova and Dipartimento di Fisica, Università di Padova, Padova, Italy
| | - D Cherdack
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - N Chikuma
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - G Christodoulou
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - A Clifton
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - J Coleman
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - G Collazuol
- INFN Sezione di Padova and Dipartimento di Fisica, Università di Padova, Padova, Italy
| | - D Coplowe
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - A Cudd
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USA
| | - A Dabrowska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - G De Rosa
- INFN Sezione di Napoli and Dipartimento di Fisica, Università di Napoli, Napoli, Italy
| | - T Dealtry
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - P F Denner
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - S R Dennis
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - C Densham
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, United Kingdom and Daresbury Laboratory, Warrington, United Kingdom
| | - D Dewhurst
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - F Di Lodovico
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - S Di Luise
- Institute for Particle Physics, ETH Zurich, Zurich, Switzerland
| | - S Dolan
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - O Drapier
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - K E Duffy
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - J Dumarchez
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), UPMC, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - M Dziewiecki
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | | | - A Ereditato
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - T Feusels
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - A J Finch
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - G A Fiorentini
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - M Friend
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fujii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - D Fukuda
- Department of Physics, Okayama University, Okayama, Japan
| | - Y Fukuda
- Department of Physics, Miyagi University of Education, Sendai, Japan
| | - V Galymov
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - A Garcia
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - C Giganti
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), UPMC, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | | | - T Golan
- Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland
| | - M Gonin
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - D R Hadley
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - L Haegel
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - M D Haigh
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - D Hansen
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - J Harada
- Department of Physics, Osaka City University, Osaka, Japan
| | - M Hartz
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- TRIUMF, Vancouver, British Columbia, Canada
| | - T Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - N C Hastings
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
| | - T Hayashino
- Department of Physics, Kyoto University, Kyoto, Japan
| | - Y Hayato
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - R L Helmer
- TRIUMF, Vancouver, British Columbia, Canada
| | - A Hillairet
- Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - T Hiraki
- Department of Physics, Kyoto University, Kyoto, Japan
| | - A Hiramoto
- Department of Physics, Kyoto University, Kyoto, Japan
| | - S Hirota
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Hogan
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - J Holeczek
- Institute of Physics, University of Silesia, Katowice, Poland
| | - F Hosomi
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - K Huang
- Department of Physics, Kyoto University, Kyoto, Japan
| | - A K Ichikawa
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Ikeda
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - J Imber
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - J Insler
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - R A Intonti
- INFN Sezione di Bari and Dipartimento Interuniversitario di Fisica, Università e Politecnico di Bari, Bari, Italy
| | - T Ishida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Ishii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - E Iwai
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Iwamoto
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - A Izmaylov
- IFIC (CSIC and University of Valencia), Valencia, Spain
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - B Jamieson
- Department of Physics, University of Winnipeg, Winnipeg, Manitoba, Canada
| | - M Jiang
- Department of Physics, Kyoto University, Kyoto, Japan
| | - S Johnson
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - P Jonsson
- Department of Physics, Imperial College London, London, United Kingdom
| | - C K Jung
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - M Kabirnezhad
- National Centre for Nuclear Research, Warsaw, Poland
| | - A C Kaboth
- Department of Physics, Royal Holloway University of London, Egham, Surrey, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, United Kingdom and Daresbury Laboratory, Warrington, United Kingdom
| | - T Kajita
- Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, University of Tokyo, Kashiwa, Japan
| | - H Kakuno
- Department of Physics, Tokyo Metropolitan University, Tokyo, Japan
| | - J Kameda
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - D Karlen
- TRIUMF, Vancouver, British Columbia, Canada
- Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - T Katori
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - E Kearns
- Department of Physics, Boston University, Boston, Massachusetts, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Khabibullin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Khotjantsev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - H Kim
- Department of Physics, Osaka City University, Osaka, Japan
| | - J Kim
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - S King
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - J Kisiel
- Institute of Physics, University of Silesia, Katowice, Poland
| | - A Knight
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - A Knox
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - T Kobayashi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - L Koch
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
| | - T Koga
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - A Konaka
- TRIUMF, Vancouver, British Columbia, Canada
| | - K Kondo
- Department of Physics, Kyoto University, Kyoto, Japan
| | - L L Kormos
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - A Korzenev
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - Y Koshio
- Department of Physics, Okayama University, Okayama, Japan
| | - K Kowalik
- National Centre for Nuclear Research, Warsaw, Poland
| | - W Kropp
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
| | - Y Kudenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - R Kurjata
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - T Kutter
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - J Lagoda
- National Centre for Nuclear Research, Warsaw, Poland
| | - I Lamont
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | | | - E Larkin
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - P Lasorak
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - M Laveder
- INFN Sezione di Padova and Dipartimento di Fisica, Università di Padova, Padova, Italy
| | - M Lawe
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - M Licciardi
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - T Lindner
- TRIUMF, Vancouver, British Columbia, Canada
| | - Z J Liptak
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - R P Litchfield
- Department of Physics, Imperial College London, London, United Kingdom
| | - X Li
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - A Longhin
- INFN Sezione di Padova and Dipartimento di Fisica, Università di Padova, Padova, Italy
| | - J P Lopez
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - T Lou
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - L Ludovici
- INFN Sezione di Roma and Università di Roma "La Sapienza," Roma, Italy
| | - X Lu
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - L Magaletti
- INFN Sezione di Bari and Dipartimento Interuniversitario di Fisica, Università e Politecnico di Bari, Bari, Italy
| | - K Mahn
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USA
| | - M Malek
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - S Manly
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - A D Marino
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - J F Martin
- Department of Physics, University of Toronto, Toronto, Ontario, Canada
| | - P Martins
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - S Martynenko
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - T Maruyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Matveev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - K Mavrokoridis
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - W Y Ma
- Department of Physics, Imperial College London, London, United Kingdom
| | | | - M McCarthy
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - N McCauley
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - K S McFarland
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - C McGrew
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - A Mefodiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - C Metelko
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - M Mezzetto
- INFN Sezione di Padova and Dipartimento di Fisica, Università di Padova, Padova, Italy
| | - P Mijakowski
- National Centre for Nuclear Research, Warsaw, Poland
| | - A Minamino
- Faculty of Engineering, Yokohama National University, Yokohama, Japan
| | - O Mineev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Mine
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
| | - A Missert
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - M Miura
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - S Moriyama
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - Th A Mueller
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - J Myslik
- Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - T Nakadaira
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Nakahata
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - K G Nakamura
- Department of Physics, Kyoto University, Kyoto, Japan
| | - K Nakamura
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - K D Nakamura
- Department of Physics, Kyoto University, Kyoto, Japan
| | - Y Nakanishi
- Department of Physics, Kyoto University, Kyoto, Japan
| | - S Nakayama
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - T Nakaya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Department of Physics, Kyoto University, Kyoto, Japan
| | - K Nakayoshi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - C Nantais
- Department of Physics, University of Toronto, Toronto, Ontario, Canada
| | - C Nielsen
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - M Nirkko
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - K Nishikawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Nishimura
- Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, University of Tokyo, Kashiwa, Japan
| | - P Novella
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - J Nowak
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - H M O'Keeffe
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - K Okumura
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, University of Tokyo, Kashiwa, Japan
| | - T Okusawa
- Department of Physics, Osaka City University, Osaka, Japan
| | - W Oryszczak
- Faculty of Physics, University of Warsaw, Warsaw, Poland
| | - S M Oser
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - T Ovsyannikova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - R A Owen
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - Y Oyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Palladino
- INFN Sezione di Napoli and Dipartimento di Fisica, Università di Napoli, Napoli, Italy
| | - J L Palomino
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - V Paolone
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - N D Patel
- Department of Physics, Kyoto University, Kyoto, Japan
| | - P Paudyal
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - M Pavin
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), UPMC, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - D Payne
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - J D Perkin
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - Y Petrov
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - L Pickard
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - L Pickering
- Department of Physics, Imperial College London, London, United Kingdom
| | - E S Pinzon Guerra
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - C Pistillo
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - B Popov
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), UPMC, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | | | | | | | - P Przewlocki
- National Centre for Nuclear Research, Warsaw, Poland
| | - B Quilain
- Department of Physics, Kyoto University, Kyoto, Japan
| | - T Radermacher
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
| | - E Radicioni
- INFN Sezione di Bari and Dipartimento Interuniversitario di Fisica, Università e Politecnico di Bari, Bari, Italy
| | - P N Ratoff
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - M Ravonel
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - M A Rayner
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - A Redij
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - E Reinherz-Aronis
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - C Riccio
- INFN Sezione di Napoli and Dipartimento di Fisica, Università di Napoli, Napoli, Italy
| | - P A Rodrigues
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - E Rondio
- National Centre for Nuclear Research, Warsaw, Poland
| | - B Rossi
- INFN Sezione di Napoli and Dipartimento di Fisica, Università di Napoli, Napoli, Italy
| | - S Roth
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
| | - A Rubbia
- Institute for Particle Physics, ETH Zurich, Zurich, Switzerland
| | - A Rychter
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - K Sakashita
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - F Sánchez
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - E Scantamburlo
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - K Scholberg
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - J Schwehr
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - M Scott
- TRIUMF, Vancouver, British Columbia, Canada
| | - Y Seiya
- Department of Physics, Osaka City University, Osaka, Japan
| | - T Sekiguchi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - H Sekiya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - D Sgalaberna
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - R Shah
- Department of Physics, Oxford University, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, United Kingdom and Daresbury Laboratory, Warrington, United Kingdom
| | - A Shaikhiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - F Shaker
- Department of Physics, University of Winnipeg, Winnipeg, Manitoba, Canada
| | - D Shaw
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - M Shiozawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - T Shirahige
- Department of Physics, Okayama University, Okayama, Japan
| | - S Short
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - M Smy
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
| | - J T Sobczyk
- Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland
| | - H Sobel
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Sorel
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - L Southwell
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - J Steinmann
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
| | - T Stewart
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, United Kingdom and Daresbury Laboratory, Warrington, United Kingdom
| | - P Stowell
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - Y Suda
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - S Suvorov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | | | - S Y Suzuki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Suzuki
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - R Tacik
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Tada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - A Takeda
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - Y Takeuchi
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Kobe University, Kobe, Japan
| | - H K Tanaka
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - H A Tanaka
- Department of Physics, University of Toronto, Toronto, Ontario, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - D Terhorst
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
| | - R Terri
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - T Thakore
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - L F Thompson
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - S Tobayama
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - W Toki
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - T Tomura
- Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan
| | - C Touramanis
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - T Tsukamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Tzanov
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Y Uchida
- Department of Physics, Imperial College London, London, United Kingdom
| | - M Vagins
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - Z Vallari
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - G Vasseur
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - T Vladisavljevic
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - T Wachala
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - C W Walter
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - D Wark
- Department of Physics, Oxford University, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, United Kingdom and Daresbury Laboratory, Warrington, United Kingdom
| | - M O Wascko
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
- Department of Physics, Imperial College London, London, United Kingdom
| | - A Weber
- Department of Physics, Oxford University, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, United Kingdom and Daresbury Laboratory, Warrington, United Kingdom
| | - R Wendell
- Department of Physics, Kyoto University, Kyoto, Japan
| | - R J Wilkes
- Department of Physics, University of Washington, Seattle, Washington, USA
| | - M J Wilking
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - C Wilkinson
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - J R Wilson
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - R J Wilson
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - C Wret
- Department of Physics, Imperial College London, London, United Kingdom
| | - Y Yamada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Yamamoto
- Department of Physics, Osaka City University, Osaka, Japan
| | - M Yamamoto
- Department of Physics, Kyoto University, Kyoto, Japan
| | - C Yanagisawa
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - T Yano
- Kobe University, Kobe, Japan
| | - S Yen
- TRIUMF, Vancouver, British Columbia, Canada
| | - N Yershov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Yokoyama
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - K Yoshida
- Department of Physics, Kyoto University, Kyoto, Japan
| | - T Yuan
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - M Yu
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - A Zalewska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Zalipska
- National Centre for Nuclear Research, Warsaw, Poland
| | - L Zambelli
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Zaremba
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - M Ziembicki
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - E D Zimmerman
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - M Zito
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - J Żmuda
- Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown DN, Kolomensky YG, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Gary JW, Long O, Eisner AM, Lockman WS, Panduro Vazquez W, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Smith JG, Wagner SR, Bernard D, Verderi M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Zallo A, Passaggio S, Patrignani C, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Le Diberder F, Lutz AM, Wormser G, Lange DJ, Wright DM, Coleman JP, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Jawahery A, Roberts DA, Cowan R, Cheaib R, Robertson SH, Dey B, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Taras P, De Nardo G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Calderini G, Chauveau J, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Heß M, Leddig T, Voß C, Waldi R, Adye T, Wilson FF, Emery S, Vasseur G, Aston D, Cartaro C, Convery MR, Dorfan J, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, Luth V, MacFarlane DB, Muller DR, Neal H, Ratcliff BN, Roodman A, Sullivan MK, Va'vra J, Wisniewski WJ, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner FU, King GJ, Kowalewski R, Lueck T, Nugent IM, Roney JM, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Prepost R, Wu SL. Search for B^{+}→K^{+}τ^{+}τ^{-} at the BaBar Experiment. Phys Rev Lett 2017; 118:031802. [PMID: 28157371 DOI: 10.1103/physrevlett.118.031802] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Indexed: 06/06/2023]
Abstract
We search for the rare flavor-changing neutral current process B^{+}→K^{+}τ^{+}τ^{-} using data from the BABAR experiment. The data sample, collected at the center-of-mass energy of the ϒ(4S) resonance, corresponds to a total integrated luminosity of 424 fb^{-1} and to 471×10^{6} BB[over ¯] pairs. We reconstruct one B meson, produced in the ϒ(4S)→B^{+}B^{-} decay, in one of many hadronic decay modes and search for activity compatible with a B^{+}→K^{+}τ^{+}τ^{-} decay in the rest of the event. Each τ lepton is required to decay leptonically into an electron or muon and neutrinos. Comparing the expected number of background events with the data sample after applying the selection criteria, we do not find evidence for a signal. The resulting upper limit, at the 90% confidence level, is B(B^{+}→K^{+}τ^{+}τ^{-})<2.25×10^{-3}.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - C Hearty
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | | | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011, USA
| | - H Ahmed
- Physics Department, Jazan University, Jazan 22822, Kingdom of Saudi Arabia
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - Sw Banerjee
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - M Fritsch
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - R Cheaib
- McGill University, Montréal, Québec, Canada H3A 2T8
| | | | - B Dey
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, The Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - A Gaz
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Rotondo
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - F Ferrarotto
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Heß
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - V Luth
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - M Bellis
- Stanford University, Stanford, California 94305, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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24
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Abe K, Andreopoulos C, Antonova M, Aoki S, Ariga A, Assylbekov S, Autiero D, Ban S, Barbi M, Barker GJ, Barr G, Bartet-Friburg P, Batkiewicz M, Bay F, Berardi V, Berkman S, Bhadra S, Blondel A, Bolognesi S, Bordoni S, Boyd SB, Brailsford D, Bravar A, Bronner C, Buizza Avanzini M, Calland RG, Campbell T, Cao S, Caravaca Rodríguez J, Cartwright SL, Castillo R, Catanesi MG, Cervera A, Cherdack D, Chikuma N, Christodoulou G, Clifton A, Coleman J, Collazuol G, Coplowe D, Cremonesi L, Dabrowska A, De Rosa G, Dealtry T, Denner PF, Dennis SR, Densham C, Dewhurst D, Di Lodovico F, Di Luise S, Dolan S, Drapier O, Duffy KE, Dumarchez J, Dytman S, Dziewiecki M, Emery-Schrenk S, Ereditato A, Feusels T, Finch AJ, Fiorentini GA, Friend M, Fujii Y, Fukuda D, Fukuda Y, Furmanski AP, Galymov V, Garcia A, Giffin SG, Giganti C, Gizzarelli F, Gonin M, Grant N, Hadley DR, Haegel L, Haigh MD, Hamilton P, Hansen D, Harada J, Hara T, Hartz M, Hasegawa T, Hastings NC, Hayashino T, Hayato Y, Helmer RL, Hierholzer M, Hillairet A, Himmel A, Hiraki T, Hirota S, Hogan M, Holeczek J, Horikawa S, Hosomi F, Huang K, Ichikawa AK, Ieki K, Ikeda M, Imber J, Insler J, Intonti RA, Irvine TJ, Ishida T, Ishii T, Iwai E, Iwamoto K, Izmaylov A, Jacob A, Jamieson B, Jiang M, Johnson S, Jo JH, Jonsson P, Jung CK, Kabirnezhad M, Kaboth AC, Kajita T, Kakuno H, Kameda J, Karlen D, Karpikov I, Katori T, Kearns E, Khabibullin M, Khotjantsev A, Kielczewska D, Kikawa T, Kim H, Kim J, King S, Kisiel J, Knight A, Knox A, Kobayashi T, Koch L, Koga T, Konaka A, Kondo K, Kopylov A, Kormos LL, Korzenev A, Koshio Y, Kropp W, Kudenko Y, Kurjata R, Kutter T, Lagoda J, Lamont I, Larkin E, Lasorak P, Laveder M, Lawe M, Lazos M, Lindner T, Liptak ZJ, Litchfield RP, Li X, Longhin A, Lopez JP, Ludovici L, Lu X, Magaletti L, Mahn K, Malek M, Manly S, Marino AD, Marteau J, Martin JF, Martins P, Martynenko S, Maruyama T, Matveev V, Mavrokoridis K, Ma WY, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Mefodiev A, Metelko C, Mezzetto M, Mijakowski P, Minamino A, Mineev O, Mine S, Missert A, Miura M, Moriyama S, Mueller TA, Murphy S, Myslik J, Nakadaira T, Nakahata M, Nakamura KG, Nakamura K, Nakamura KD, Nakayama S, Nakaya T, Nakayoshi K, Nantais C, Nielsen C, Nirkko M, Nishikawa K, Nishimura Y, Novella P, Nowak J, O'Keeffe HM, Ohta R, Okumura K, Okusawa T, Oryszczak W, Oser SM, Ovsyannikova T, Owen RA, Oyama Y, Palladino V, Palomino JL, Paolone V, Patel ND, Pavin M, Payne D, Perkin JD, Petrov Y, Pickard L, Pickering L, Pinzon Guerra ES, Pistillo C, Popov B, Posiadala-Zezula M, Poutissou JM, Poutissou R, Przewlocki P, Quilain B, Radermacher T, Radicioni E, Ratoff PN, Ravonel M, Rayner MAM, Redij A, Reinherz-Aronis E, Riccio C, Rojas P, Rondio E, Roth S, Rubbia A, Rychter A, Sacco R, Sakashita K, Sánchez F, Sato F, Scantamburlo E, Scholberg K, Schoppmann S, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shah R, Shaikhiev A, Shaker F, Shaw D, Shiozawa M, Shirahige T, Short S, Smy M, Sobczyk JT, Sobel H, Sorel M, Southwell L, Stamoulis P, Steinmann J, Stewart T, Stowell P, Suda Y, Suvorov S, Suzuki A, Suzuki K, Suzuki SY, Suzuki Y, Tacik R, Tada M, Takahashi S, Takeda A, Takeuchi Y, Tanaka HK, Tanaka HA, Terhorst D, Terri R, Thakore T, Thompson LF, Tobayama S, Toki W, Tomura T, Touramanis C, Tsukamoto T, Tzanov M, Uchida Y, Vacheret A, Vagins M, Vallari Z, Vasseur G, Wachala T, Wakamatsu K, Walter CW, Wark D, Warzycha W, Wascko MO, Weber A, Wendell R, Wilkes RJ, Wilking MJ, Wilkinson C, Wilson JR, Wilson RJ, Yamada Y, Yamamoto K, Yamamoto M, Yanagisawa C, Yano T, Yen S, Yershov N, Yokoyama M, Yoo J, Yoshida K, Yuan T, Yu M, Zalewska A, Zalipska J, Zambelli L, Zaremba K, Ziembicki M, Zimmerman ED, Zito M, Żmuda J. Measurement of Coherent π^{+} Production in Low Energy Neutrino-Carbon Scattering. Phys Rev Lett 2016; 117:192501. [PMID: 27858422 DOI: 10.1103/physrevlett.117.192501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Indexed: 06/06/2023]
Abstract
We report the first measurement of the flux-averaged cross section for charged current coherent π^{+} production on carbon for neutrino energies less than 1.5 GeV, and with a restriction on the final state phase space volume in the T2K near detector, ND280. Comparisons are made with predictions from the Rein-Sehgal coherent production model and the model by Alvarez-Ruso et al., the latter representing the first implementation of an instance of the new class of microscopic coherent models in a neutrino interaction Monte Carlo event generator. We observe a clear event excess above background, disagreeing with the null results reported by K2K and SciBooNE in a similar neutrino energy region. The measured flux-averaged cross sections are below those predicted by both the Rein-Sehgal and Alvarez-Ruso et al.
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Affiliation(s)
- K Abe
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - C Andreopoulos
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - M Antonova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Aoki
- Kobe University, Kobe, Japan
| | - A Ariga
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - S Assylbekov
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - D Autiero
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - S Ban
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Barbi
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
| | - G J Barker
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - G Barr
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - P Bartet-Friburg
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - M Batkiewicz
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - F Bay
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - V Berardi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - S Berkman
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - S Bhadra
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - A Blondel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | | | - S Bordoni
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - S B Boyd
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - D Brailsford
- Department of Physics, Imperial College London, London, United Kingdom
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - A Bravar
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - C Bronner
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Buizza Avanzini
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - R G Calland
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - T Campbell
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - S Cao
- Department of Physics, Kyoto University, Kyoto, Japan
| | - J Caravaca Rodríguez
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - S L Cartwright
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - R Castillo
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - M G Catanesi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - A Cervera
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - D Cherdack
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - N Chikuma
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - G Christodoulou
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - A Clifton
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - J Coleman
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - G Collazuol
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padova, Italy
| | - D Coplowe
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - L Cremonesi
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - A Dabrowska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - G De Rosa
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Napoli, Italy
| | - T Dealtry
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - P F Denner
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - S R Dennis
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - C Densham
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - D Dewhurst
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - F Di Lodovico
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - S Di Luise
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - S Dolan
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - O Drapier
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - K E Duffy
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - J Dumarchez
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - S Dytman
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - M Dziewiecki
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | | | - A Ereditato
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - T Feusels
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - A J Finch
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - G A Fiorentini
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - M Friend
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fujii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - D Fukuda
- Department of Physics, Okayama University, Okayama, Japan
| | - Y Fukuda
- Department of Physics, Miyagi University of Education, Sendai, Japan
| | - A P Furmanski
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - V Galymov
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - A Garcia
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - S G Giffin
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
| | - C Giganti
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | | | - M Gonin
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - N Grant
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - D R Hadley
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - L Haegel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - M D Haigh
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - P Hamilton
- Department of Physics, Imperial College London, London, United Kingdom
| | - D Hansen
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - J Harada
- Department of Physics, Osaka City University, Osaka, Japan
| | - T Hara
- Kobe University, Kobe, Japan
| | - M Hartz
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- TRIUMF, Vancouver, British Columbia, Canada
| | - T Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - N C Hastings
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
| | - T Hayashino
- Department of Physics, Kyoto University, Kyoto, Japan
| | - Y Hayato
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - R L Helmer
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Hierholzer
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - A Hillairet
- Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - A Himmel
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - T Hiraki
- Department of Physics, Kyoto University, Kyoto, Japan
| | - S Hirota
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Hogan
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - J Holeczek
- Institute of Physics, University of Silesia, Katowice, Poland
| | - S Horikawa
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - F Hosomi
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - K Huang
- Department of Physics, Kyoto University, Kyoto, Japan
| | - A K Ichikawa
- Department of Physics, Kyoto University, Kyoto, Japan
| | - K Ieki
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Ikeda
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - J Imber
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - J Insler
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - R A Intonti
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - T J Irvine
- Institute for Cosmic Ray Research, University of Tokyo, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Ishida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Ishii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - E Iwai
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Iwamoto
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - A Izmaylov
- IFIC (CSIC & University of Valencia), Valencia, Spain
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Jacob
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - B Jamieson
- Department of Physics, University of Winnipeg, Winnipeg, Manitoba, Canada
| | - M Jiang
- Department of Physics, Kyoto University, Kyoto, Japan
| | - S Johnson
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - J H Jo
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - P Jonsson
- Department of Physics, Imperial College London, London, United Kingdom
| | - C K Jung
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - M Kabirnezhad
- National Centre for Nuclear Research, Warsaw, Poland
| | - A C Kaboth
- Department of Physics, Royal Holloway University of London, Egham, Surrey, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - T Kajita
- Institute for Cosmic Ray Research, University of Tokyo, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H Kakuno
- Tokyo Metropolitan University, Department of Physics, Tokyo, Japan
| | - J Kameda
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - D Karlen
- TRIUMF, Vancouver, British Columbia, Canada
- Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - I Karpikov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - T Katori
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - E Kearns
- Department of Physics, Boston University, Boston, Massachusetts, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Khabibullin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Khotjantsev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - D Kielczewska
- Faculty of Physics, University of Warsaw, Warsaw, Poland
| | - T Kikawa
- Department of Physics, Kyoto University, Kyoto, Japan
| | - H Kim
- Department of Physics, Osaka City University, Osaka, Japan
| | - J Kim
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - S King
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - J Kisiel
- Institute of Physics, University of Silesia, Katowice, Poland
| | - A Knight
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - A Knox
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - T Kobayashi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - L Koch
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - T Koga
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - A Konaka
- TRIUMF, Vancouver, British Columbia, Canada
| | - K Kondo
- Department of Physics, Kyoto University, Kyoto, Japan
| | - A Kopylov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - L L Kormos
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - A Korzenev
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - Y Koshio
- Department of Physics, Okayama University, Okayama, Japan
| | - W Kropp
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
| | - Y Kudenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - R Kurjata
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - T Kutter
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - J Lagoda
- National Centre for Nuclear Research, Warsaw, Poland
| | - I Lamont
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - E Larkin
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - P Lasorak
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - M Laveder
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padova, Italy
| | - M Lawe
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - M Lazos
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - T Lindner
- TRIUMF, Vancouver, British Columbia, Canada
| | - Z J Liptak
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - R P Litchfield
- Department of Physics, Imperial College London, London, United Kingdom
| | - X Li
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - A Longhin
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padova, Italy
| | - J P Lopez
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - L Ludovici
- INFN Sezione di Roma and Università di Roma "La Sapienza", Roma, Italy
| | - X Lu
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - L Magaletti
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - K Mahn
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USA
| | - M Malek
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - S Manly
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - A D Marino
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - J Marteau
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - J F Martin
- Department of Physics, University of Toronto, Toronto, Ontario, Canada
| | - P Martins
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - S Martynenko
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - T Maruyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Matveev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - K Mavrokoridis
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - W Y Ma
- Department of Physics, Imperial College London, London, United Kingdom
| | | | - M McCarthy
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - N McCauley
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - K S McFarland
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - C McGrew
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - A Mefodiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - C Metelko
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - M Mezzetto
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padova, Italy
| | - P Mijakowski
- National Centre for Nuclear Research, Warsaw, Poland
| | - A Minamino
- Department of Physics, Kyoto University, Kyoto, Japan
| | - O Mineev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Mine
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
| | - A Missert
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - M Miura
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - S Moriyama
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - Th A Mueller
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - S Murphy
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - J Myslik
- Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - T Nakadaira
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Nakahata
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - K G Nakamura
- Department of Physics, Kyoto University, Kyoto, Japan
| | - K Nakamura
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - K D Nakamura
- Department of Physics, Kyoto University, Kyoto, Japan
| | - S Nakayama
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - T Nakaya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Department of Physics, Kyoto University, Kyoto, Japan
| | - K Nakayoshi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - C Nantais
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - C Nielsen
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - M Nirkko
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - K Nishikawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Nishimura
- Institute for Cosmic Ray Research, University of Tokyo, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - P Novella
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - J Nowak
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - H M O'Keeffe
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - R Ohta
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Okumura
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, University of Tokyo, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Okusawa
- Department of Physics, Osaka City University, Osaka, Japan
| | - W Oryszczak
- Faculty of Physics, University of Warsaw, Warsaw, Poland
| | - S M Oser
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - T Ovsyannikova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - R A Owen
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - Y Oyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Palladino
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Napoli, Italy
| | - J L Palomino
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - V Paolone
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - N D Patel
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Pavin
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - D Payne
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - J D Perkin
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - Y Petrov
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - L Pickard
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - L Pickering
- Department of Physics, Imperial College London, London, United Kingdom
| | - E S Pinzon Guerra
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - C Pistillo
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - B Popov
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | | | | | | | - P Przewlocki
- National Centre for Nuclear Research, Warsaw, Poland
| | - B Quilain
- Department of Physics, Kyoto University, Kyoto, Japan
| | - T Radermacher
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - E Radicioni
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - P N Ratoff
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - M Ravonel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - M A M Rayner
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - A Redij
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - E Reinherz-Aronis
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - C Riccio
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Napoli, Italy
| | - P Rojas
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - E Rondio
- National Centre for Nuclear Research, Warsaw, Poland
| | - S Roth
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Rubbia
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - A Rychter
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - R Sacco
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - K Sakashita
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - F Sánchez
- Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - F Sato
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - E Scantamburlo
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - K Scholberg
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - S Schoppmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - J Schwehr
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - M Scott
- TRIUMF, Vancouver, British Columbia, Canada
| | - Y Seiya
- Department of Physics, Osaka City University, Osaka, Japan
| | - T Sekiguchi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - H Sekiya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - D Sgalaberna
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - R Shah
- Department of Physics, Oxford University, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - A Shaikhiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - F Shaker
- Department of Physics, University of Winnipeg, Winnipeg, Manitoba, Canada
| | - D Shaw
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - M Shiozawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - T Shirahige
- Department of Physics, Okayama University, Okayama, Japan
| | - S Short
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - M Smy
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
| | - J T Sobczyk
- Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland
| | - H Sobel
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Sorel
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - L Southwell
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - P Stamoulis
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - J Steinmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - T Stewart
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - P Stowell
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - Y Suda
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - S Suvorov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | | | - K Suzuki
- Department of Physics, Kyoto University, Kyoto, Japan
| | - S Y Suzuki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Suzuki
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - R Tacik
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Tada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S Takahashi
- Department of Physics, Kyoto University, Kyoto, Japan
| | - A Takeda
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - Y Takeuchi
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Kobe University, Kobe, Japan
| | - H K Tanaka
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - H A Tanaka
- Department of Physics, University of Toronto, Toronto, Ontario, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - D Terhorst
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - R Terri
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - T Thakore
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - L F Thompson
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - S Tobayama
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - W Toki
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - T Tomura
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - C Touramanis
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - T Tsukamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Tzanov
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Y Uchida
- Department of Physics, Imperial College London, London, United Kingdom
| | - A Vacheret
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - M Vagins
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - Z Vallari
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - G Vasseur
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - T Wachala
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - K Wakamatsu
- Department of Physics, Osaka City University, Osaka, Japan
| | - C W Walter
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - D Wark
- Department of Physics, Oxford University, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - W Warzycha
- Faculty of Physics, University of Warsaw, Warsaw, Poland
| | - M O Wascko
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
- Department of Physics, Imperial College London, London, United Kingdom
| | - A Weber
- Department of Physics, Oxford University, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - R Wendell
- Department of Physics, Kyoto University, Kyoto, Japan
| | - R J Wilkes
- Department of Physics, University of Washington, Seattle, Washington, USA
| | - M J Wilking
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - C Wilkinson
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - J R Wilson
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - R J Wilson
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - Y Yamada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Yamamoto
- Department of Physics, Osaka City University, Osaka, Japan
| | - M Yamamoto
- Department of Physics, Kyoto University, Kyoto, Japan
| | - C Yanagisawa
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - T Yano
- Kobe University, Kobe, Japan
| | - S Yen
- TRIUMF, Vancouver, British Columbia, Canada
| | - N Yershov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Yokoyama
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - J Yoo
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - K Yoshida
- Department of Physics, Kyoto University, Kyoto, Japan
| | - T Yuan
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - M Yu
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - A Zalewska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Zalipska
- National Centre for Nuclear Research, Warsaw, Poland
| | - L Zambelli
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Zaremba
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - M Ziembicki
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - E D Zimmerman
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - M Zito
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - J Żmuda
- Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland
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25
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Abe K, Andreopoulos C, Antonova M, Aoki S, Ariga A, Assylbekov S, Autiero D, Barbi M, Barker GJ, Barr G, Bartet-Friburg P, Batkiewicz M, Bay F, Berardi V, Berkman S, Bhadra S, Blondel A, Bolognesi S, Bordoni S, Boyd SB, Brailsford D, Bravar A, Bronner C, Buizza Avanzini M, Calland RG, Cao S, Caravaca Rodríguez J, Cartwright SL, Castillo R, Catanesi MG, Cervera A, Cherdack D, Chikuma N, Christodoulou G, Clifton A, Coleman J, Collazuol G, Cremonesi L, Dabrowska A, De Rosa G, Dealtry T, Denner PF, Dennis SR, Densham C, Dewhurst D, Di Lodovico F, Di Luise S, Dolan S, Drapier O, Duffy KE, Dumarchez J, Dytman S, Dziewiecki M, Emery-Schrenk S, Ereditato A, Feusels T, Finch AJ, Fiorentini GA, Friend M, Fujii Y, Fukuda D, Fukuda Y, Furmanski AP, Galymov V, Garcia A, Giffin SG, Giganti C, Gizzarelli F, Gonin M, Grant N, Hadley DR, Haegel L, Haigh MD, Hamilton P, Hansen D, Hara T, Hartz M, Hasegawa T, Hastings NC, Hayashino T, Hayato Y, Helmer RL, Hierholzer M, Hillairet A, Himmel A, Hiraki T, Hirota S, Hogan M, Holeczek J, Horikawa S, Hosomi F, Huang K, Ichikawa AK, Ieki K, Ikeda M, Imber J, Insler J, Intonti RA, Irvine TJ, Ishida T, Ishii T, Iwai E, Iwamoto K, Izmaylov A, Jacob A, Jamieson B, Jiang M, Johnson S, Jo JH, Jonsson P, Jung CK, Kabirnezhad M, Kaboth AC, Kajita T, Kakuno H, Kameda J, Karlen D, Karpikov I, Katori T, Kearns E, Khabibullin M, Khotjantsev A, Kielczewska D, Kikawa T, Kim H, Kim J, King S, Kisiel J, Knight A, Knox A, Kobayashi T, Koch L, Koga T, Konaka A, Kondo K, Kopylov A, Kormos LL, Korzenev A, Koshio Y, Kropp W, Kudenko Y, Kurjata R, Kutter T, Lagoda J, Lamont I, Larkin E, Laveder M, Lawe M, Lazos M, Lindner T, Liptak ZJ, Litchfield RP, Li X, Longhin A, Lopez JP, Ludovici L, Lu X, Magaletti L, Mahn K, Malek M, Manly S, Marino AD, Marteau J, Martin JF, Martins P, Martynenko S, Maruyama T, Matveev V, Mavrokoridis K, Ma WY, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Mefodiev A, Mezzetto M, Mijakowski P, Minamino A, Mineev O, Mine S, Missert A, Miura M, Moriyama S, Mueller TA, Murphy S, Myslik J, Nakadaira T, Nakahata M, Nakamura KG, Nakamura K, Nakamura KD, Nakayama S, Nakaya T, Nakayoshi K, Nantais C, Nielsen C, Nirkko M, Nishikawa K, Nishimura Y, Nowak J, O'Keeffe HM, Ohta R, Okumura K, Okusawa T, Oryszczak W, Oser SM, Ovsyannikova T, Owen RA, Oyama Y, Palladino V, Palomino JL, Paolone V, Patel ND, Pavin M, Payne D, Perkin JD, Petrov Y, Pickard L, Pickering L, Pinzon Guerra ES, Pistillo C, Popov B, Posiadala-Zezula M, Poutissou JM, Poutissou R, Przewlocki P, Quilain B, Radicioni E, Ratoff PN, Ravonel M, Rayner MAM, Redij A, Reinherz-Aronis E, Riccio C, Rojas P, Rondio E, Roth S, Rubbia A, Rychter A, Sacco R, Sakashita K, Sánchez F, Sato F, Scantamburlo E, Scholberg K, Schoppmann S, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shah R, Shaikhiev A, Shaker F, Shaw D, Shiozawa M, Shirahige T, Short S, Smy M, Sobczyk JT, Sorel M, Southwell L, Stamoulis P, Steinmann J, Stewart T, Suda Y, Suvorov S, Suzuki A, Suzuki K, Suzuki SY, Suzuki Y, Tacik R, Tada M, Takahashi S, Takeda A, Takeuchi Y, Tanaka HK, Tanaka HA, Terhorst D, Terri R, Thakore T, Thompson LF, Tobayama S, Toki W, Tomura T, Touramanis C, Tsukamoto T, Tzanov M, Uchida Y, Vacheret A, Vagins M, Vallari Z, Vasseur G, Wachala T, Wakamatsu K, Walter CW, Wark D, Warzycha W, Wascko MO, Weber A, Wendell R, Wilkes RJ, Wilking MJ, Wilkinson C, Wilson JR, Wilson RJ, Yamada Y, Yamamoto K, Yamamoto M, Yanagisawa C, Yano T, Yen S, Yershov N, Yokoyama M, Yoo J, Yoshida K, Yuan T, Yu M, Zalewska A, Zalipska J, Zambelli L, Zaremba K, Ziembicki M, Zimmerman ED, Zito M, Żmuda J. Measurement of Muon Antineutrino Oscillations with an Accelerator-Produced Off-Axis Beam. Phys Rev Lett 2016; 116:181801. [PMID: 27203315 DOI: 10.1103/physrevlett.116.181801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Indexed: 06/05/2023]
Abstract
T2K reports its first measurements of the parameters governing the disappearance of ν[over ¯]_{μ} in an off-axis beam due to flavor change induced by neutrino oscillations. The quasimonochromatic ν[over ¯]_{μ} beam, produced with a peak energy of 0.6 GeV at J-PARC, is observed at the far detector Super-Kamiokande, 295 km away, where the ν[over ¯]_{μ} survival probability is expected to be minimal. Using a data set corresponding to 4.01×10^{20} protons on target, 34 fully contained μ-like events were observed. The best-fit oscillation parameters are sin^{2}(θ[over ¯]_{23})=0.45 and |Δm[over ¯]_{32}^{2}|=2.51×10^{-3} eV^{2} with 68% confidence intervals of 0.38-0.64 and 2.26-2.80×10^{-3} eV^{2}, respectively. These results are in agreement with existing antineutrino parameter measurements and also with the ν_{μ} disappearance parameters measured by T2K.
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Affiliation(s)
- K Abe
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - C Andreopoulos
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - M Antonova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Aoki
- Kobe University, Kobe, Japan
| | - A Ariga
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - S Assylbekov
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - D Autiero
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - M Barbi
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - G J Barker
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - G Barr
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - P Bartet-Friburg
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - M Batkiewicz
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - F Bay
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - V Berardi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - S Berkman
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - S Bhadra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - A Blondel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | | | - S Bordoni
- Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - S B Boyd
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - D Brailsford
- Imperial College London, Department of Physics, London, United Kingdom
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - A Bravar
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - C Bronner
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Buizza Avanzini
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - R G Calland
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - S Cao
- Kyoto University, Department of Physics, Kyoto, Japan
| | - J Caravaca Rodríguez
- Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - S L Cartwright
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - R Castillo
- Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - M G Catanesi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - A Cervera
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - D Cherdack
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - N Chikuma
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - G Christodoulou
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - A Clifton
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - J Coleman
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - G Collazuol
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - L Cremonesi
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - A Dabrowska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - G De Rosa
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - T Dealtry
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - P F Denner
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - S R Dennis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - C Densham
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - D Dewhurst
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - F Di Lodovico
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - S Di Luise
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - S Dolan
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - O Drapier
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - K E Duffy
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - J Dumarchez
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - S Dytman
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - M Dziewiecki
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | | | - A Ereditato
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - T Feusels
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - A J Finch
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - G A Fiorentini
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - M Friend
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fujii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - D Fukuda
- Okayama University, Department of Physics, Okayama, Japan
| | - Y Fukuda
- Miyagi University of Education, Department of Physics, Sendai, Japan
| | - A P Furmanski
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - V Galymov
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - A Garcia
- Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - S G Giffin
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - C Giganti
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | | | - M Gonin
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - N Grant
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - D R Hadley
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - L Haegel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - M D Haigh
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - P Hamilton
- Imperial College London, Department of Physics, London, United Kingdom
| | - D Hansen
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - T Hara
- Kobe University, Kobe, Japan
| | - M Hartz
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- TRIUMF, Vancouver, British Columbia, Canada
| | - T Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - N C Hastings
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - T Hayashino
- Kyoto University, Department of Physics, Kyoto, Japan
| | - Y Hayato
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - R L Helmer
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Hierholzer
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - A Hillairet
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - A Himmel
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - T Hiraki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Hirota
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Hogan
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - J Holeczek
- University of Silesia, Institute of Physics, Katowice, Poland
| | - S Horikawa
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - F Hosomi
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - K Huang
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A K Ichikawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Ieki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Ikeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Imber
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - J Insler
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - R A Intonti
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - T J Irvine
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Ishida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Ishii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - E Iwai
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Iwamoto
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - A Izmaylov
- IFIC (CSIC and University of Valencia), Valencia, Spain
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Jacob
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - B Jamieson
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - M Jiang
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Johnson
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - J H Jo
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - P Jonsson
- Imperial College London, Department of Physics, London, United Kingdom
| | - C K Jung
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - M Kabirnezhad
- National Centre for Nuclear Research, Warsaw, Poland
| | - A C Kaboth
- Royal Holloway University of London, Department of Physics, Egham, Surrey, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - T Kajita
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H Kakuno
- Tokyo Metropolitan University, Department of Physics, Tokyo, Japan
| | - J Kameda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - D Karlen
- TRIUMF, Vancouver, British Columbia, Canada
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - I Karpikov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - T Katori
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - E Kearns
- Boston University, Department of Physics, Boston, Massachusetts, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Khabibullin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Khotjantsev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - D Kielczewska
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | - T Kikawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - H Kim
- Osaka City University, Department of Physics, Osaka, Japan
| | - J Kim
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - S King
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - J Kisiel
- University of Silesia, Institute of Physics, Katowice, Poland
| | - A Knight
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - A Knox
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - T Kobayashi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - L Koch
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - T Koga
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - A Konaka
- TRIUMF, Vancouver, British Columbia, Canada
| | - K Kondo
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A Kopylov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - L L Kormos
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - A Korzenev
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - Y Koshio
- Okayama University, Department of Physics, Okayama, Japan
| | - W Kropp
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - Y Kudenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - R Kurjata
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - T Kutter
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - J Lagoda
- National Centre for Nuclear Research, Warsaw, Poland
| | - I Lamont
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - E Larkin
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - M Laveder
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - M Lawe
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Lazos
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - T Lindner
- TRIUMF, Vancouver, British Columbia, Canada
| | - Z J Liptak
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - R P Litchfield
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - X Li
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - A Longhin
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - J P Lopez
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - L Ludovici
- INFN Sezione di Roma and Università di Roma "La Sapienza," Roma, Italy
| | - X Lu
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - L Magaletti
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - K Mahn
- Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA
| | - M Malek
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - S Manly
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - A D Marino
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - J Marteau
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - J F Martin
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - P Martins
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - S Martynenko
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - T Maruyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Matveev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - K Mavrokoridis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - W Y Ma
- Imperial College London, Department of Physics, London, United Kingdom
| | | | - M McCarthy
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - N McCauley
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - K S McFarland
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - C McGrew
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - A Mefodiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Mezzetto
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - P Mijakowski
- National Centre for Nuclear Research, Warsaw, Poland
| | - A Minamino
- Kyoto University, Department of Physics, Kyoto, Japan
| | - O Mineev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Mine
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - A Missert
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Miura
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - S Moriyama
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Th A Mueller
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - S Murphy
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - J Myslik
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - T Nakadaira
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Nakahata
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - K G Nakamura
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Nakamura
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - K D Nakamura
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Nakayama
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Nakaya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Nakayoshi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - C Nantais
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - C Nielsen
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - M Nirkko
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - K Nishikawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Nishimura
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - J Nowak
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - H M O'Keeffe
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - R Ohta
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Okumura
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Okusawa
- Osaka City University, Department of Physics, Osaka, Japan
| | - W Oryszczak
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | - S M Oser
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - T Ovsyannikova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - R A Owen
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - Y Oyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Palladino
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - J L Palomino
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - V Paolone
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - N D Patel
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Pavin
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - D Payne
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - J D Perkin
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - Y Petrov
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - L Pickard
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - L Pickering
- Imperial College London, Department of Physics, London, United Kingdom
| | - E S Pinzon Guerra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - C Pistillo
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - B Popov
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | | | | | | | - P Przewlocki
- National Centre for Nuclear Research, Warsaw, Poland
| | - B Quilain
- Kyoto University, Department of Physics, Kyoto, Japan
| | - E Radicioni
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - P N Ratoff
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Ravonel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - M A M Rayner
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - A Redij
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - E Reinherz-Aronis
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - C Riccio
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - P Rojas
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - E Rondio
- National Centre for Nuclear Research, Warsaw, Poland
| | - S Roth
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Rubbia
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - A Rychter
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - R Sacco
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - K Sakashita
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - F Sánchez
- Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain
| | - F Sato
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - E Scantamburlo
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - K Scholberg
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - S Schoppmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - J Schwehr
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - M Scott
- TRIUMF, Vancouver, British Columbia, Canada
| | - Y Seiya
- Osaka City University, Department of Physics, Osaka, Japan
| | - T Sekiguchi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - H Sekiya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - D Sgalaberna
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - R Shah
- Oxford University, Department of Physics, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - A Shaikhiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - F Shaker
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - D Shaw
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Shiozawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Shirahige
- Okayama University, Department of Physics, Okayama, Japan
| | - S Short
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - M Smy
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - J T Sobczyk
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - M Sorel
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - L Southwell
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - P Stamoulis
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - J Steinmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - T Stewart
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - Y Suda
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - S Suvorov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | | | - K Suzuki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Y Suzuki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Suzuki
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - R Tacik
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Tada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S Takahashi
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A Takeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Takeuchi
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
- Kobe University, Kobe, Japan
| | - H K Tanaka
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - H A Tanaka
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
- TRIUMF, Vancouver, British Columbia, Canada
| | - D Terhorst
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - R Terri
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - T Thakore
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - L F Thompson
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - S Tobayama
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - W Toki
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - T Tomura
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - C Touramanis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - T Tsukamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Tzanov
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - Y Uchida
- Imperial College London, Department of Physics, London, United Kingdom
| | - A Vacheret
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - M Vagins
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - Z Vallari
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - G Vasseur
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - T Wachala
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - K Wakamatsu
- Osaka City University, Department of Physics, Osaka, Japan
| | - C W Walter
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - D Wark
- Oxford University, Department of Physics, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - W Warzycha
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | - M O Wascko
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
- Imperial College London, Department of Physics, London, United Kingdom
| | - A Weber
- Oxford University, Department of Physics, Oxford, United Kingdom
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - R Wendell
- Kyoto University, Department of Physics, Kyoto, Japan
| | - R J Wilkes
- University of Washington, Department of Physics, Seattle, Washington, USA
| | - M J Wilking
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - C Wilkinson
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - J R Wilson
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - R J Wilson
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - Y Yamada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Yamamoto
- Osaka City University, Department of Physics, Osaka, Japan
| | - M Yamamoto
- Kyoto University, Department of Physics, Kyoto, Japan
| | - C Yanagisawa
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - T Yano
- Kobe University, Kobe, Japan
| | - S Yen
- TRIUMF, Vancouver, British Columbia, Canada
| | - N Yershov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Yokoyama
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - J Yoo
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - K Yoshida
- Kyoto University, Department of Physics, Kyoto, Japan
| | - T Yuan
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Yu
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - A Zalewska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Zalipska
- National Centre for Nuclear Research, Warsaw, Poland
| | - L Zambelli
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Zaremba
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - M Ziembicki
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - E D Zimmerman
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Zito
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - J Żmuda
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Gary JW, Long O, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Panduro Vazquez W, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Kim J, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Andreassen R, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Ford WT, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Bernard D, Verderi M, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Zallo A, Contri R, Monge MR, Passaggio S, Patrignani C, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker HM, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Cheaib R, Patel PM, Robertson SH, Dey B, Neri N, Palombo F, Cremaldi L, Godang R, Summers DJ, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Margoni M, Morandin M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Leruste P, Marchiori G, Ocariz J, Biasini M, Manoni E, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Hess M, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Vasseur G, Aston D, Bard DJ, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Luitz S, Luth V, MacFarlane DB, Muller DR, Neal H, Pulliam T, Ratcliff BN, Roodman A, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wisniewski WJ, Wulsin HW, Purohit MV, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Banerjee S, Beaulieu A, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Observation of B→D(*) π^(+)π^(-)ℓ^(-)ν Decays in e^(+)e^(-) Collisions at the Υ(4S) Resonance. Phys Rev Lett 2016; 116:041801. [PMID: 26871322 DOI: 10.1103/physrevlett.116.041801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Indexed: 06/05/2023]
Abstract
We report on measurements of the decays of B¯ mesons into the semileptonic final states B¯→D^(*)π^(+)π^(-)ℓ^(-)ν¯, where D^(*) represents a D or D^(*) meson and ℓ^(-) is an electron or a muon. These measurements are based on 471×10^(6) BB ¯ pairs recorded with the BABAR detector at the SLAC asymmetric B factory PEP-II. We determine the branching fraction ratios R_{π^{+}π^{-}}^{(*)}=B(B[over ¯]→D^{(*)}π^{+}π^{-}ℓ^{-}ν[over ¯])/B(B[over ¯]→D^{(*)}ℓ^{-}ν[over ¯]) using events in which the second B meson is fully reconstructed. We find R_{π^{+}π^{-}}=0.067±0.010±0.008 and R_{π^{+}π^{-}}^{*}=0.019±0.005±0.004, where the first uncertainty is statistical and the second is systematic. Based on these results and assuming isospin invariance, we estimate that B[over ¯]→D^{(*)}ππℓ^{-}ν[over ¯] decays, where π denotes either a π^{±} and π^{0} meson, account for up to half the difference between the measured inclusive semileptonic branching fraction to charm hadrons and the corresponding sum of previously measured exclusive branching fractions.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Facultat de Fisica, Departament ECM, Universitat de Barcelona, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari, I-70126 Bari, Italy
- Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- Institute of Physics, University of Bergen, N-5007 Bergen, Norway
| | - B Stugu
- Institute of Physics, University of Bergen, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - L T Kerth
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M J Lee
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - G Lynch
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - H Koch
- Institut für Experimentalphysik 1, Ruhr Universität Bochum, D-44780 Bochum, Germany
| | - T Schroeder
- Institut für Experimentalphysik 1, Ruhr Universität Bochum, D-44780 Bochum, Germany
| | - C Hearty
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - R Y So
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - A Khan
- Brunel University, Uxbridge, Middlesex UB8 3PH, United Kingdom
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - M Franco Sevilla
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - T M Hong
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - D Kovalskyi
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - J D Richman
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - C A West
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - A M Eisner
- Institute for Particle Physics, University of California at Santa Cruz, Santa Cruz, California 95064, USA
| | - W S Lockman
- Institute for Particle Physics, University of California at Santa Cruz, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- Institute for Particle Physics, University of California at Santa Cruz, Santa Cruz, California 95064, USA
| | - B A Schumm
- Institute for Particle Physics, University of California at Santa Cruz, Santa Cruz, California 95064, USA
| | - A Seiden
- Institute for Particle Physics, University of California at Santa Cruz, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Kim
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - R Andreassen
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - W T Ford
- University of Colorado, Boulder, Colorado 80309, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - R Ayad
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - W H Toki
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - B Spaan
- Fakultät Physik, Technische Universität Dortmund, D-44221 Dortmund, Germany
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - S Playfer
- University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R Contri
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M R Monge
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - C Patrignani
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - V Prasad
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - A Adametz
- Physikalisches Institut, Universität Heidelberg, D-69120 Heidelberg, Germany
| | - U Uwer
- Physikalisches Institut, Universität Heidelberg, D-69120 Heidelberg, Germany
| | - H M Lacker
- Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - H Ahmed
- Physics Department, Jazan University, Jazan 22822, Saudi Arabia
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D Derkach
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Grosdidier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - B Malaescu
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - P Roudeau
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A Stocchi
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - J R Fry
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- Royal Holloway and Bedford New College, University of London, Egham, Surrey TW20 0EX, United Kingdom
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
| | - M Fritsch
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
| | - W Gradl
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
| | - K Griessinger
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
| | - A Hafner
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
| | - K R Schubert
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - B Hamilton
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - R Cheaib
- McGill University, Montréal, Québec H3A 2T8, Canada
| | - P M Patel
- McGill University, Montréal, Québec H3A 2T8, Canada
| | | | - B Dey
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - M Simard
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - G De Nardo
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Onorato
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Morandin
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Rotondo
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - H Briand
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - Ph Leruste
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris 6, Université Denis Diderot-Paris 7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - C Angelini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - D Lopes Pegna
- Princeton University, Princeton, New Jersey 08544, USA
| | - J Olsen
- Princeton University, Princeton, New Jersey 08544, USA
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - M Gaspero
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Hess
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - E O Olaiya
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D J Bard
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | | | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - V Luth
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - T Pulliam
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R H Schindler
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Snyder
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D Su
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H W Wulsin
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - M Bellis
- Stanford University, Stanford, California 94305-4060, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305-4060, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305-4060, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - N Guttman
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - D R Peimer
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - A Soffer
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - J Albert
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - Sw Banerjee
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - H H F Choi
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - G J King
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - M J Lewczuk
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T Lueck
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - I M Nugent
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - J M Roney
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R J Sobie
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - N Tasneem
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - H R Band
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S Dasu
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - Y Pan
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Abdesselam A, Adachi I, Adametz A, Adye T, Ahmed H, Aihara H, Akar S, Alam MS, Albert J, Al Said S, Andreassen R, Angelini C, Anulli F, Arinstein K, Arnaud N, Asner DM, Aston D, Aulchenko V, Aushev T, Ayad R, Babu V, Badhrees I, Bahinipati S, Bakich AM, Band HR, Banerjee S, Barberio E, Bard DJ, Barlow RJ, Batignani G, Beaulieu A, Bellis M, Ben-Haim E, Bernard D, Bernlochner FU, Bettarini S, Bettoni D, Bevan AJ, Bhardwaj V, Bhuyan B, Bianchi F, Biasini M, Biswal J, Blinov VE, Bloom PC, Bobrov A, Bomben M, Bondar A, Bonneaud GR, Bonvicini G, Bozek A, Bozzi C, Bračko M, Briand H, Browder TE, Brown DN, Brown DN, Bünger C, Burchat PR, Buzykaev AR, Calabrese R, Calcaterra A, Calderini G, Carpinelli M, Cartaro C, Casarosa G, Cenci R, Červenkov D, Chang P, Chao DS, Chauveau J, Cheaib R, Chekelian V, Chen A, Chen C, Cheng CH, Cheon BG, Chilikin K, Chistov R, Cho K, Chobanova V, Choi HHF, Choi SK, Chrzaszcz M, Cibinetto G, Cinabro D, Cochran J, Coleman JP, Contri R, Convery MR, Cowan G, Cowan R, Cremaldi L, Dalseno J, Dasu S, Davier M, Davis CL, De Mori F, De Nardo G, Denig AG, Derkach D, de Sangro R, Dey B, Di Lodovico F, Dingfelder J, Dittrich S, Doležal Z, Dorfan J, Drásal Z, Drutskoy A, Druzhinin VP, Dubois-Felsmann GP, Dunwoodie W, Dutta D, Ebert M, Echenard B, Eidelman S, Eigen G, Eisner AM, Emery S, Ernst JA, Faccini R, Farhat H, Fast JE, Feindt M, Ferber T, Ferrarotto F, Ferroni F, Field RC, Filippi A, Finocchiaro G, Fioravanti E, Flood KT, Ford WT, Forti F, Franco Sevilla M, Fritsch M, Fry JR, Fulsom BG, Gabathuler E, Gabyshev N, Gamba D, Garmash A, Gary JW, Garzia I, Gaspero M, Gaur V, Gaz A, Gershon TJ, Getzkow D, Gillard R, Li Gioi L, Giorgi MA, Glattauer R, Godang R, Goh YM, Goldenzweig P, Golob B, Golubev VB, Gorodeisky R, Gradl W, Graham MT, Grauges E, Griessinger K, Gritsan AV, Grosdidier G, Grünberg O, Guttman N, Haba J, Hafner A, Hamilton B, Hara T, Harrison PF, Hast C, Hayasaka K, Hayashii H, Hearty C, He XH, Hess M, Hitlin DG, Hong TM, Honscheid K, Hou WS, Hsiung YB, Huard Z, Hutchcroft DE, Iijima T, Inguglia G, Innes WR, Ishikawa A, Itoh R, Iwasaki Y, Izen JM, Jaegle I, Jawahery A, Jessop CP, Joffe D, Joo KK, Julius T, Kang KH, Kass R, Kawasaki T, Kerth LT, Khan A, Kiesling C, Kim DY, Kim JB, Kim JH, Kim KT, Kim P, Kim SH, Kim YJ, King GJ, Kinoshita K, Ko BR, Koch H, Kodyš P, Kolomensky YG, Korpar S, Kovalskyi D, Kowalewski R, Kravchenko EA, Križan P, Krokovny P, Kuhr T, Kumar R, Kuzmin A, Kwon YJ, Lacker HM, Lafferty GD, Lanceri L, Lange DJ, Lankford AJ, Latham TE, Leddig T, Le Diberder F, Lee DH, Lee IS, Lee MJ, Lees JP, Leith DWGS, Leruste P, Lewczuk MJ, Lewis P, Libby J, Lockman WS, Long O, Lopes Pegna D, LoSecco JM, Lou XC, Lueck T, Luitz S, Lukin P, Luppi E, Lusiani A, Luth V, Lutz AM, Lynch G, MacFarlane DB, Malaescu B, Mallik U, Manoni E, Marchiori G, Margoni M, Martellotti S, Martinez-Vidal F, Masuda M, Mattison TS, Matvienko D, McKenna JA, Meadows BT, Miyabayashi K, Miyashita TS, Miyata H, Mizuk R, Mohanty GB, Moll A, Monge MR, Moon HK, Morandin M, Muller DR, Mussa R, Nakano E, Nakazawa H, Nakao M, Nanut T, Nayak M, Neal H, Neri N, Nisar NK, Nishida S, Nugent IM, Oberhof B, Ocariz J, Ogawa S, Okuno S, Olaiya EO, Olsen J, Ongmongkolkul P, Onorato G, Onuchin AP, Onuki Y, Ostrowicz W, Oyanguren A, Pakhlova G, Pakhlov P, Palano A, Pal B, Palombo F, Pan Y, Panduro Vazquez W, Paoloni E, Park CW, Park H, Passaggio S, Patel PM, Patrignani C, Patteri P, Payne DJ, Pedlar TK, Peimer DR, Peruzzi IM, Pesántez L, Pestotnik R, Petrič M, Piccolo M, Piemontese L, Piilonen LE, Pilloni A, Piredda G, Playfer S, Poireau V, Porter FC, Posocco M, Prasad V, Prell S, Prepost R, Puccio EMT, Pulliam T, Purohit MV, Pushpawela BG, Rama M, Randle-Conde A, Ratcliff BN, Raven G, Ribežl E, Richman JD, Ritchie JL, Rizzo G, Roberts DA, Robertson SH, Röhrken M, Roney JM, Roodman A, Rossi A, Rostomyan A, Rotondo M, Roudeau P, Sacco R, Sakai Y, Sandilya S, Santelj L, Santoro V, Sanuki T, Sato Y, Savinov V, Schindler RH, Schneider O, Schnell G, Schroeder T, Schubert KR, Schumm BA, Schwanda C, Schwartz AJ, Schwitters RF, Sciacca C, Seiden A, Sekula SJ, Senyo K, Seon O, Serednyakov SI, Sevior ME, Shapkin M, Shebalin V, Shen CP, Shibata TA, Shiu JG, Simard M, Simi G, Simon F, Simonetto F, Skovpen YI, Smith AJS, Smith JG, Snyder A, So RY, Sobie RJ, Soffer A, Sohn YS, Sokoloff MD, Sokolov A, Solodov EP, Solovieva E, Spaan B, Spanier SM, Starič M, Stocchi A, Stroili R, Stugu B, Su D, Sullivan MK, Sumihama M, Sumisawa K, Sumiyoshi T, Summers DJ, Sun L, Tamponi U, Taras P, Tasneem N, Teramoto Y, Tisserand V, Todyshev KY, Toki WH, Touramanis C, Trabelsi K, Tsuboyama T, Uchida M, Uglov T, Unno Y, Uno S, Usov Y, Uwer U, Vahsen SE, Van Hulse C, Vanhoefer P, Varner G, Vasseur G, Va'vra J, Verderi M, Vinokurova A, Vitale L, Vorobyev V, Voß C, Wagner MN, Wagner SR, Waldi R, Walsh JJ, Wang CH, Wang MZ, Wang P, Watanabe Y, West CA, Williams KM, Wilson FF, Wilson JR, Wisniewski WJ, Won E, Wormser G, Wright DM, Wu SL, Wulsin HW, Yamamoto H, Yamaoka J, Yashchenko S, Yuan CZ, Yusa Y, Zallo A, Zhang CC, Zhang ZP, Zhilich V, Zhulanov V, Zupanc A. First Observation of CP Violation in B[over ¯]^{0}→D_{CP}^{(*)}h^{0} Decays by a Combined Time-Dependent Analysis of BABAR and Belle Data. Phys Rev Lett 2015; 115:121604. [PMID: 26430984 DOI: 10.1103/physrevlett.115.121604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Indexed: 06/05/2023]
Abstract
We report a measurement of the time-dependent CP asymmetry of B[over ¯]^{0}→D_{CP}^{(*)}h^{0} decays, where the light neutral hadron h^{0} is a π^{0}, η, or ω meson, and the neutral D meson is reconstructed in the CP eigenstates K^{+}K^{-}, K_{S}^{0}π^{0}, or K_{S}^{0}ω. The measurement is performed combining the final data samples collected at the ϒ(4S) resonance by the BABAR and Belle experiments at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain (471±3)×10^{6} BB[over ¯] pairs recorded by the BABAR detector and (772±11)×10^{6} BB[over ¯] pairs recorded by the Belle detector. We measure the CP asymmetry parameters -η_{f}S=+0.66±0.10(stat)±0.06(syst) and C=-0.02±0.07(stat)±0.03(syst). These results correspond to the first observation of CP violation in B[over ¯]^{0}→D_{CP}^{(*)}h^{0} decays. The hypothesis of no mixing-induced CP violation is excluded in these decays at the level of 5.4 standard deviations.
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Affiliation(s)
- A Abdesselam
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451, Kingdom of Saudi Arabia
| | - I Adachi
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - A Adametz
- Universität Heidelberg, Physikalisches Institut, D-69120 Heidelberg, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - H Ahmed
- Physics Department, Jazan University, Jazan 22822, Kingdom of Saudi Arabia
| | - H Aihara
- Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J Albert
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - S Al Said
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Kingdom of Saudi Arabia
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451, Kingdom of Saudi Arabia
| | - R Andreassen
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - C Angelini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - K Arinstein
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D M Asner
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - V Aulchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - T Aushev
- Institute for Theoretical and Experimental Physics, Moscow 117218, Russian Federation
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - R Ayad
- Colorado State University, Fort Collins, Colorado 80523, USA
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451, Kingdom of Saudi Arabia
| | - V Babu
- Tata Institute of Fundamental Research, Mumbai 400005, India
| | - I Badhrees
- King Abdulaziz City for Science and Technology, Riyadh 11442, Kingdom of Saudi Arabia
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451, Kingdom of Saudi Arabia
| | - S Bahinipati
- Indian Institute of Technology Bhubaneswar, Satya Nagar 751007, India
| | - A M Bakich
- School of Physics, University of Sydney, Sydney, NSW 2006, Australia
| | - H R Band
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - Sw Banerjee
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - E Barberio
- School of Physics, University of Melbourne, Victoria 3010, Australia
| | - D J Bard
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - M Bellis
- Stanford University, Stanford, California 94305-4060, USA
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - V Bhardwaj
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - J Biswal
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
- Novosibirsk State Technical University, Novosibirsk 630092, Russian Federation
| | - P C Bloom
- University of Colorado, Boulder, Colorado 80309, USA
| | - A Bobrov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - A Bondar
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Bonvicini
- Wayne State University, Detroit, Michigan 48202, USA
| | - A Bozek
- H. Niewodniczanski Institute of Nuclear Physics, Krakow 31-342, Poland
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - M Bračko
- J. Stefan Institute, 1000 Ljubljana, Slovenia
- University of Maribor, 2000 Maribor, Slovenia
| | - H Briand
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - T E Browder
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - P R Burchat
- Stanford University, Stanford, California 94305-4060, USA
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - D Červenkov
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
| | - P Chang
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - R Cheaib
- McGill University, Montréal, Québec H3A 2T8, Canada
| | - V Chekelian
- Max-Planck-Institut für Physik, 80805 München, Germany
| | - A Chen
- National Central University, Chung-li 32054, Taiwan
| | - C Chen
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B G Cheon
- Hanyang University, Seoul 133-791, South Korea
| | - K Chilikin
- Institute for Theoretical and Experimental Physics, Moscow 117218, Russian Federation
| | - R Chistov
- Institute for Theoretical and Experimental Physics, Moscow 117218, Russian Federation
| | - K Cho
- Korea Institute of Science and Technology Information, Daejeon 305-806, South Korea
| | - V Chobanova
- Max-Planck-Institut für Physik, 80805 München, Germany
| | - H H F Choi
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - S-K Choi
- Gyeongsang National University, Chinju 660-701, South Korea
| | | | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - D Cinabro
- Wayne State University, Detroit, Michigan 48202, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - R Contri
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - R Cowan
- Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - J Dalseno
- Max-Planck-Institut für Physik, 80805 München, Germany
- Excellence Cluster Universe, Technische Universität München, 85748 Garching, Germany
| | - S Dasu
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - G De Nardo
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - D Derkach
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | | | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - Z Doležal
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - Z Drásal
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
| | - A Drutskoy
- Institute for Theoretical and Experimental Physics, Moscow 117218, Russian Federation
- Moscow Physical Engineering Institute, Moscow 115409, Russian Federation
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | | | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D Dutta
- Tata Institute of Fundamental Research, Mumbai 400005, India
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - S Eidelman
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - H Farhat
- Wayne State University, Detroit, Michigan 48202, USA
| | - J E Fast
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - M Feindt
- Institut für Experimentelle Kernphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
| | - T Ferber
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - W T Ford
- University of Colorado, Boulder, Colorado 80309, USA
| | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Franco Sevilla
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - M Fritsch
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - J R Fry
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - B G Fulsom
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - N Gabyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Garmash
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - M Gaspero
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - V Gaur
- Tata Institute of Fundamental Research, Mumbai 400005, India
| | - A Gaz
- University of Colorado, Boulder, Colorado 80309, USA
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - D Getzkow
- Justus-Liebig-Universität Gießen, 35392 Gießen, Germany
| | - R Gillard
- Wayne State University, Detroit, Michigan 48202, USA
| | - L Li Gioi
- Max-Planck-Institut für Physik, 80805 München, Germany
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - R Glattauer
- Institute of High Energy Physics, Vienna 1050, Austria
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - Y M Goh
- Hanyang University, Seoul 133-791, South Korea
| | - P Goldenzweig
- Institut für Experimentelle Kernphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
| | - B Golob
- J. Stefan Institute, 1000 Ljubljana, Slovenia
- Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - G Grosdidier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - J Haba
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - B Hamilton
- University of Maryland, College Park, Maryland 20742, USA
| | - T Hara
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - K Hayasaka
- Kobayashi-Maskawa Institute, Nagoya University, Nagoya 464-8602, Japan
| | - H Hayashii
- Nara Women's University, Nara 630-8506, Japan
| | - C Hearty
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - X H He
- Peking University, Beijing 100871, China
| | - M Hess
- Universität Rostock, D-18051 Rostock, Germany
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - T M Hong
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - W-S Hou
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Y B Hsiung
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - T Iijima
- Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
- Kobayashi-Maskawa Institute, Nagoya University, Nagoya 464-8602, Japan
| | - G Inguglia
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Ishikawa
- Tohoku University, Sendai 980-8578, Japan
| | - R Itoh
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - Y Iwasaki
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - I Jaegle
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - D Joffe
- Kennesaw State University, Kennesaw, Georgia 30144, USA
| | - K K Joo
- Chonnam National University, Kwangju 660-701, South Korea
| | - T Julius
- School of Physics, University of Melbourne, Victoria 3010, Australia
| | - K H Kang
- Kyungpook National University, Daegu 702-701, South Korea
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - T Kawasaki
- Niigata University, Niigata 950-2181, Japan
| | - L T Kerth
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - A Khan
- Brunel University, Uxbridge, Middlesex UB8 3PH, United Kingdom
| | - C Kiesling
- Max-Planck-Institut für Physik, 80805 München, Germany
| | - D Y Kim
- Soongsil University, Seoul 156-743, South Korea
| | - J B Kim
- Korea University, Seoul 136-713, South Korea
| | - J H Kim
- Korea Institute of Science and Technology Information, Daejeon 305-806, South Korea
| | - K T Kim
- Korea University, Seoul 136-713, South Korea
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - S H Kim
- Hanyang University, Seoul 133-791, South Korea
| | - Y J Kim
- Korea Institute of Science and Technology Information, Daejeon 305-806, South Korea
| | - G J King
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - K Kinoshita
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B R Ko
- Korea University, Seoul 136-713, South Korea
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - P Kodyš
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - S Korpar
- J. Stefan Institute, 1000 Ljubljana, Slovenia
- University of Maribor, 2000 Maribor, Slovenia
| | - D Kovalskyi
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - P Križan
- J. Stefan Institute, 1000 Ljubljana, Slovenia
- Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - P Krokovny
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - T Kuhr
- Ludwig Maximilians University, 80539 Munich, Germany
| | - R Kumar
- Punjab Agricultural University, Ludhiana 141004, India
| | - A Kuzmin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - Y-J Kwon
- Yonsei University, Seoul 120-749, South Korea
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - L Lanceri
- INFN Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D H Lee
- Korea University, Seoul 136-713, South Korea
| | - I S Lee
- Hanyang University, Seoul 133-791, South Korea
| | - M J Lee
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - Ph Leruste
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M J Lewczuk
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - P Lewis
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - J Libby
- Indian Institute of Technology Madras, Chennai 600036, India
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - D Lopes Pegna
- Princeton University, Princeton, New Jersey 08544, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - T Lueck
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - P Lukin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - V Luth
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Lynch
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B Malaescu
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | | | - M Masuda
- Earthquake Research Institute, University of Tokyo, Tokyo 113-0032, Japan
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - D Matvienko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - H Miyata
- Niigata University, Niigata 950-2181, Japan
| | - R Mizuk
- Institute for Theoretical and Experimental Physics, Moscow 117218, Russian Federation
- Moscow Physical Engineering Institute, Moscow 115409, Russian Federation
| | - G B Mohanty
- Tata Institute of Fundamental Research, Mumbai 400005, India
| | - A Moll
- Max-Planck-Institut für Physik, 80805 München, Germany
- Excellence Cluster Universe, Technische Universität München, 85748 Garching, Germany
| | - M R Monge
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - H K Moon
- Korea University, Seoul 136-713, South Korea
| | - M Morandin
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R Mussa
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - E Nakano
- Osaka City University, Osaka 558-8585, Japan
| | - H Nakazawa
- National Central University, Chung-li 32054, Taiwan
| | - M Nakao
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T Nanut
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - M Nayak
- Indian Institute of Technology Madras, Chennai 600036, India
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - N K Nisar
- Tata Institute of Fundamental Research, Mumbai 400005, India
| | - S Nishida
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - I M Nugent
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - S Ogawa
- Toho University, Funabashi 274-8510, Japan
| | - S Okuno
- Kanagawa University, Yokohama 221-8686, Japan
| | - E O Olaiya
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - J Olsen
- Princeton University, Princeton, New Jersey 08544, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - G Onorato
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
- Novosibirsk State Technical University, Novosibirsk 630092, Russian Federation
| | - Y Onuki
- Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
| | - W Ostrowicz
- H. Niewodniczanski Institute of Nuclear Physics, Krakow 31-342, Poland
| | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | - G Pakhlova
- Institute for Theoretical and Experimental Physics, Moscow 117218, Russian Federation
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - P Pakhlov
- Institute for Theoretical and Experimental Physics, Moscow 117218, Russian Federation
- Moscow Physical Engineering Institute, Moscow 115409, Russian Federation
| | - A Palano
- INFN Sezione di Bari, I-70126 Bari, Italy
- Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - B Pal
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - Y Pan
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - C W Park
- Sungkyunkwan University, Suwon 440-746, South Korea
| | - H Park
- Kyungpook National University, Daegu 702-701, South Korea
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - P M Patel
- McGill University, Montréal, Québec H3A 2T8, Canada
| | - C Patrignani
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - T K Pedlar
- Luther College, Decorah, Iowa 52101, USA
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | | | - R Pestotnik
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - M Petrič
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | | | - L E Piilonen
- CNP, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - S Playfer
- University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - V Prasad
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - S Prell
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305-4060, USA
| | - T Pulliam
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - M Rama
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | | | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - E Ribežl
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - J D Richman
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | | | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
- Institut für Experimentelle Kernphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
| | - J M Roney
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - A Rostomyan
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
| | - M Rotondo
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - P Roudeau
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - Y Sakai
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - S Sandilya
- Tata Institute of Fundamental Research, Mumbai 400005, India
| | - L Santelj
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - T Sanuki
- Tohoku University, Sendai 980-8578, Japan
| | - Y Sato
- Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
| | - V Savinov
- University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
| | - R H Schindler
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - O Schneider
- École Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - G Schnell
- University of the Basque Country UPV/EHU, 48080 Bilbao, Spain
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - B A Schumm
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - C Schwanda
- Institute of High Energy Physics, Vienna 1050, Austria
| | - A J Schwartz
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - C Sciacca
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - A Seiden
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - K Senyo
- Yamagata University, Yamagata 990-8560, Japan
| | - O Seon
- Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - M E Sevior
- School of Physics, University of Melbourne, Victoria 3010, Australia
| | - M Shapkin
- Institute for High Energy Physics, Protvino 142281, Russian Federation
| | - V Shebalin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - C P Shen
- Beihang University, Beijing 100191, China
| | - T-A Shibata
- Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - J-G Shiu
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - M Simard
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simon
- Max-Planck-Institut für Physik, 80805 München, Germany
- Excellence Cluster Universe, Technische Universität München, 85748 Garching, Germany
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - A Snyder
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R Y So
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - R J Sobie
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv, 69978, Israel
| | - Y-S Sohn
- Yonsei University, Seoul 120-749, South Korea
| | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - A Sokolov
- Institute for High Energy Physics, Protvino 142281, Russian Federation
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - E Solovieva
- Institute for Theoretical and Experimental Physics, Moscow 117218, Russian Federation
| | - B Spaan
- Technische Universität Dortmund, Fakultät Physik, D-44221 Dortmund, Germany
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - M Starič
- J. Stefan Institute, 1000 Ljubljana, Slovenia
| | - A Stocchi
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - B Stugu
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D Su
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | | | - K Sumisawa
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T Sumiyoshi
- Tokyo Metropolitan University, Tokyo 192-0397, Japan
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - U Tamponi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - N Tasneem
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - Y Teramoto
- Osaka City University, Osaka 558-8585, Japan
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - W H Toki
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - K Trabelsi
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T Tsuboyama
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - M Uchida
- Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - T Uglov
- Institute for Theoretical and Experimental Physics, Moscow 117218, Russian Federation
- Moscow Institute of Physics and Technology, Moscow Region 141700, Russian Federation
| | - Y Unno
- Hanyang University, Seoul 133-791, South Korea
| | - S Uno
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - Y Usov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - U Uwer
- Universität Heidelberg, Physikalisches Institut, D-69120 Heidelberg, Germany
| | - S E Vahsen
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - C Van Hulse
- University of the Basque Country UPV/EHU, 48080 Bilbao, Spain
| | - P Vanhoefer
- Max-Planck-Institut für Physik, 80805 München, Germany
| | - G Varner
- University of Hawaii, Honolulu, Hawaii 96822, USA
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - A Vinokurova
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - L Vitale
- INFN Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - V Vorobyev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - M N Wagner
- Justus-Liebig-Universität Gießen, 35392 Gießen, Germany
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - C H Wang
- National United University, Miao Li 36003, Taiwan
| | - M-Z Wang
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - P Wang
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y Watanabe
- Kanagawa University, Yokohama 221-8686, Japan
| | - C A West
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - K M Williams
- CNP, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - E Won
- Korea University, Seoul 136-713, South Korea
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - H W Wulsin
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H Yamamoto
- Tohoku University, Sendai 980-8578, Japan
| | - J Yamaoka
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - S Yashchenko
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
| | - C Z Yuan
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y Yusa
- Niigata University, Niigata 950-2181, Japan
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - C C Zhang
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Z P Zhang
- University of Science and Technology of China, Hefei 230026, China
| | - V Zhilich
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - V Zhulanov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russian Federation
- Novosibirsk State University, Novosibirsk 630090, Russian Federation
| | - A Zupanc
- J. Stefan Institute, 1000 Ljubljana, Slovenia
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Dey B, Gary JW, Long O, Campagnari C, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Panduro Vazquez W, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Andreassen R, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Bernard D, Verderi M, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Piemontese L, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker HM, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Sciolla G, Cheaib R, Patel PM, Robertson SH, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers DJ, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Feltresi E, Margoni M, Morandin M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Leruste P, Marchiori G, Ocariz J, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Hess M, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Vasseur G, Aston D, Bard DJ, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Lindemann D, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wisniewski WJ, Wulsin HW, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Villanueva-Perez P, Albert J, Banerjee S, Beaulieu A, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Search for Long-Lived Particles in e+ e- Collisions. Phys Rev Lett 2015; 114:171801. [PMID: 25978225 DOI: 10.1103/physrevlett.114.171801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Indexed: 06/04/2023]
Abstract
We present a search for a neutral, long-lived particle L that is produced in e+ e- collisions and decays at a significant distance from the e+ e- interaction point into various flavor combinations of two oppositely charged tracks. The analysis uses an e+ e- data sample with a luminosity of 489.1 fb(-1) collected by the BABAR detector at the ϒ(4S), ϒ(3S), and ϒ(2S) resonances and just below the ϒ(4S). Fitting the two-track mass distribution in search of a signal peak, we do not observe a significant signal, and set 90% confidence level upper limits on the product of the L production cross section, branching fraction, and reconstruction efficiency for six possible two-body L decay modes as a function of the L mass. The efficiency is given for each final state as a function of the mass, lifetime, and transverse momentum of the candidate, allowing application of the upper limits to any production model. In addition, upper limits are provided on the branching fraction B(B→XsL), where Xs is a strange hadronic system.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari, I-70126 Bari, Italy
- Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - B Stugu
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - L T Kerth
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M J Lee
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - G Lynch
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - C Hearty
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - R Y So
- University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - A Khan
- Brunel University, Uxbridge, Middlesex UB8 3PH, United Kingdom
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - C Campagnari
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - M Franco Sevilla
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - T M Hong
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - D Kovalskyi
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - J D Richman
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - C A West
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - B A Schumm
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - A Seiden
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - R Andreassen
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - P C Bloom
- University of Colorado, Boulder, Colorado 80309, USA
| | - W T Ford
- University of Colorado, Boulder, Colorado 80309, USA
| | - A Gaz
- University of Colorado, Boulder, Colorado 80309, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - R Ayad
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - W H Toki
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - B Spaan
- Technische Universität Dortmund, Fakultät Physik, D-44221 Dortmund, Germany
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - S Playfer
- University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | | | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rama
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R Contri
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M Lo Vetere
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M R Monge
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - C Patrignani
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - E Robutti
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - V Prasad
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - A Adametz
- Universität Heidelberg, Physikalisches Institut, D-69120 Heidelberg, Germany
| | - U Uwer
- Universität Heidelberg, Physikalisches Institut, D-69120 Heidelberg, Germany
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - H Ahmed
- Physics Department, Jazan University, Jazan 22822, Kingdom of Saudia Arabia
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D Derkach
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Grosdidier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - B Malaescu
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - P Roudeau
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A Stocchi
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - J R Fry
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - M Fritsch
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - B Hamilton
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - G Sciolla
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - R Cheaib
- McGill University, Montréal, Québec H3A 2T8, Canada
| | - P M Patel
- McGill University, Montréal, Québec H3A 2T8, Canada
| | | | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - P Sonnek
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - M Simard
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec H3C 3J7, Canada
| | - G De Nardo
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Onorato
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - M Martinelli
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - E Feltresi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Morandin
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Rotondo
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - H Briand
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - Ph Leruste
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - S Pacetti
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - C Angelini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Cervelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Perez
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - D Lopes Pegna
- Princeton University, Princeton, New Jersey 08544, USA
| | - J Olsen
- Princeton University, Princeton, New Jersey 08544, USA
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - F Anulli
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - M Gaspero
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - L Li Gioi
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Hess
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - E O Olaiya
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D J Bard
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | | | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D Lindemann
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - V Luth
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H L Lynch
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Perl
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - T Pulliam
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A A Salnikov
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R H Schindler
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Snyder
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D Su
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H W Wulsin
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - R M White
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - M Bellis
- Stanford University, Stanford, California 94305-4060, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305-4060, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305-4060, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - N Guttman
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - D R Peimer
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - A Soffer
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - B C Wray
- University of Texas at Austin, Austin, Texas 78712, USA
| | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | | | - J Albert
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - Sw Banerjee
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - H H F Choi
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - G J King
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - M J Lewczuk
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T Lueck
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - I M Nugent
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - J M Roney
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - R J Sobie
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - N Tasneem
- University of Victoria, Victoria, British Columbia V8W 3P6, Canada
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - H R Band
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S Dasu
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - Y Pan
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Mandelkern M, Dey B, Gary JW, Long O, Campagnari C, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Panduro Vazquez W, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Miyashita TS, Ongmongkolkul P, Porter FC, Röhrken M, Andreassen R, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Bernard D, Verderi M, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Piemontese L, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker HM, Dauncey PD, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Bougher J, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Sciolla G, Cheaib R, Patel PM, Robertson SH, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers DJ, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Feltresi E, Margoni M, Morandin M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Leruste P, Marchiori G, Ocariz J, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Hess M, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Vasseur G, Anulli F, Aston D, Bard DJ, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Lewis P, Lindemann D, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wisniewski WJ, Wulsin HW, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Ruland AM, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Villanueva-Perez P, Albert J, Banerjee S, Beaulieu A, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Study of CP asymmetry in B^{0}-B[over ¯]^{0} mixing with inclusive dilepton events. Phys Rev Lett 2015; 114:081801. [PMID: 25768754 DOI: 10.1103/physrevlett.114.081801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Indexed: 06/04/2023]
Abstract
We present a measurement of the asymmetry A_{CP} between same-sign inclusive dilepton samples ℓ^{+}ℓ^{+} and ℓ^{-}ℓ^{-} (ℓ=e, μ) from semileptonic B decays in ϒ(4S)→BB[over ¯] events, using the complete data set recorded by the BABAR experiment near the ϒ(4S) resonance, corresponding to 471×10^{6} BB[over ¯] pairs. The asymmetry A_{CP} allows comparison between the mixing probabilities P(B[over ¯]^{0}→B^{0}) and P(B^{0}→B[over ¯]^{0}), and therefore probes CP and T violation. The result, A_{CP}=[-3.9±3.5(stat)±1.9(syst)]×10^{-3}, is consistent with the standard model expectation.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari, I-70126 Bari, Italy
- Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - B Stugu
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - L T Kerth
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M J Lee
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - G Lynch
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - C Hearty
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - A Khan
- Brunel University, Uxbridge, Middlesex UB8 3PH, United Kingdom
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
- Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - M Mandelkern
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - C Campagnari
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - M Franco Sevilla
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - T M Hong
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - D Kovalskyi
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - J D Richman
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - C A West
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - B A Schumm
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - A Seiden
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Röhrken
- California Institute of Technology, Pasadena, California 91125, USA
| | - R Andreassen
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - P C Bloom
- University of Colorado, Boulder, Colorado 80309, USA
| | - W T Ford
- University of Colorado, Boulder, Colorado 80309, USA
| | - A Gaz
- University of Colorado, Boulder, Colorado 80309, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - R Ayad
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - W H Toki
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - B Spaan
- Technische Universität Dortmund, Fakultät Physik, D-44221 Dortmund, Germany
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - S Playfer
- University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | | | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rama
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R Contri
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M Lo Vetere
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M R Monge
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - C Patrignani
- INFN Sezione di Genova, I-16146 Genova, Italy
- Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - E Robutti
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - V Prasad
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - A Adametz
- Universität Heidelberg, Physikalisches Institut, D-69120 Heidelberg, Germany
| | - U Uwer
- Universität Heidelberg, Physikalisches Institut, D-69120 Heidelberg, Germany
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - P D Dauncey
- Imperial College London, London SW7 2AZ, United Kingdom
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - H Ahmed
- Physics Department, Jazan University, Jazan 22822, Kingdom of Saudi Arabia
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D Derkach
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Grosdidier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - B Malaescu
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - P Roudeau
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A Stocchi
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - J R Fry
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - J Bougher
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - M Fritsch
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - B Hamilton
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - G Sciolla
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - R Cheaib
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - P M Patel
- McGill University, Montréal, Québec, Canada H3A 2T8
| | | | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy
- Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - P Sonnek
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - M Simard
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Onorato
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli, I-80126 Napoli, Italy
- Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - M Martinelli
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - E Feltresi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Morandin
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Rotondo
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - H Briand
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - Ph Leruste
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - S Pacetti
- INFN Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - C Angelini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Cervelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Perez
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy
- Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - D Lopes Pegna
- Princeton University, Princeton, New Jersey 08544, USA
| | - J Olsen
- Princeton University, Princeton, New Jersey 08544, USA
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - M Gaspero
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - L Li Gioi
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy
- Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - M Hess
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - E O Olaiya
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - F Anulli
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D J Bard
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | | | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Lewis
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D Lindemann
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - V Luth
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H L Lynch
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Perl
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - T Pulliam
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A A Salnikov
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R H Schindler
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Snyder
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D Su
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H W Wulsin
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - R M White
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - M Bellis
- Stanford University, Stanford, California 94305-4060, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305-4060, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305-4060, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | - A M Ruland
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - B C Wray
- University of Texas at Austin, Austin, Texas 78712, USA
| | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy
- Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | | | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - Sw Banerjee
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - H H F Choi
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - M J Lewczuk
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - H R Band
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S Dasu
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - Y Pan
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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30
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Cadotte DW, Cadotte A, Cohen-Adad J, Fleet D, Livne M, Wilson JR, Mikulis D, Nugaeva N, Fehlings MG. Characterizing the location of spinal and vertebral levels in the human cervical spinal cord. AJNR Am J Neuroradiol 2014; 36:803-10. [PMID: 25523587 DOI: 10.3174/ajnr.a4192] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 10/01/2014] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Advanced MR imaging techniques are critical to understanding the pathophysiology of conditions involving the spinal cord. We provide a novel, quantitative solution to map vertebral and spinal cord levels accounting for anatomic variability within the human spinal cord. For the first time, we report a population distribution of the segmental anatomy of the cervical spinal cord that has direct implications for the interpretation of advanced imaging studies most often conducted across groups of subjects. MATERIALS AND METHODS Twenty healthy volunteers underwent a T2-weighted, 3T MRI of the cervical spinal cord. Two experts marked the C3-C8 cervical nerve rootlets, C3-C7 vertebral bodies, and pontomedullary junction. A semiautomated algorithm was used to locate the centerline of the spinal cord and measure rostral-caudal distances from a fixed point in the brain stem, the pontomedullary junction, to each of the spinal rootlets and vertebral bodies. Distances to each location were compared across subjects. Six volunteers had 2 additional scans in neck flexion and extension to measure the effects of patient positioning in the scanner. RESULTS We demonstrated that substantial variation exists in the rostral-caudal position of spinal cord segments among individuals and that prior methods of predicting spinal segments are imprecise. We also show that neck flexion or extension has little effect on the relative location of vertebral-versus-spinal levels. CONCLUSIONS Accounting for spinal level variation is lacking in existing imaging studies. Future studies should account for this variation for accurate interpretation of the neuroanatomic origin of acquired MR signals.
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Affiliation(s)
- D W Cadotte
- From the Department of Surgery, Division of Neurosurgery (D.W.C., A.C., J.R.W., M.G.F.) Toronto Western Hospital (D.W.C., D.M., N.N., M.G.F.), University Health Network, Toronto, Ontario, Canada
| | - A Cadotte
- From the Department of Surgery, Division of Neurosurgery (D.W.C., A.C., J.R.W., M.G.F.)
| | - J Cohen-Adad
- Institute of Biomedical Engineering (J.C.-A.), Ecole Polytechnique de Montréal, Montreal, Quebec, Canada
| | - D Fleet
- Department of Computer Science (D.F., M.L.)
| | - M Livne
- Department of Computer Science (D.F., M.L.)
| | - J R Wilson
- From the Department of Surgery, Division of Neurosurgery (D.W.C., A.C., J.R.W., M.G.F.)
| | - D Mikulis
- Department of Medical Imaging, Division of Neuroradiology (D.M.), University of Toronto, Toronto, Ontario, Canada Toronto Western Hospital (D.W.C., D.M., N.N., M.G.F.), University Health Network, Toronto, Ontario, Canada
| | - N Nugaeva
- Toronto Western Hospital (D.W.C., D.M., N.N., M.G.F.), University Health Network, Toronto, Ontario, Canada
| | - M G Fehlings
- From the Department of Surgery, Division of Neurosurgery (D.W.C., A.C., J.R.W., M.G.F.) Toronto Western Hospital (D.W.C., D.M., N.N., M.G.F.), University Health Network, Toronto, Ontario, Canada
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31
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Abe K, Adam J, Aihara H, Akiri T, Andreopoulos C, Aoki S, Ariga A, Assylbekov S, Autiero D, Barbi M, Barker GJ, Barr G, Bass M, Batkiewicz M, Bay F, Berardi V, Berger BE, Berkman S, Bhadra S, Blaszczyk FDM, Blondel A, Bojechko C, Bordoni S, Boyd SB, Brailsford D, Bravar A, Bronner C, Buchanan N, Calland RG, Caravaca Rodríguez J, Cartwright SL, Castillo R, Catanesi MG, Cervera A, Cherdack D, Christodoulou G, Clifton A, Coleman J, Coleman SJ, Collazuol G, Connolly K, Cremonesi L, Dabrowska A, Danko I, Das R, Davis S, de Perio P, De Rosa G, Dealtry T, Dennis SR, Densham C, Dewhurst D, Di Lodovico F, Di Luise S, Drapier O, Duboyski T, Duffy K, Dumarchez J, Dytman S, Dziewiecki M, Emery-Schrenk S, Ereditato A, Escudero L, Finch AJ, Friend M, Fujii Y, Fukuda Y, Furmanski AP, Galymov V, Giffin S, Giganti C, Gilje K, Goeldi D, Golan T, Gonin M, Grant N, Gudin D, Hadley DR, Haesler A, Haigh MD, Hamilton P, Hansen D, Hara T, Hartz M, Hasegawa T, Hastings NC, Hayato Y, Hearty C, Helmer RL, Hierholzer M, Hignight J, Hillairet A, Himmel A, Hiraki T, Hirota S, Holeczek J, Horikawa S, Huang K, Ichikawa AK, Ieki K, Ieva M, Ikeda M, Imber J, Insler J, Irvine TJ, Ishida T, Ishii T, Iwai E, Iwamoto K, Iyogi K, Izmaylov A, Jacob A, Jamieson B, Johnson RA, Jo JH, Jonsson P, Jung CK, Kabirnezhad M, Kaboth AC, Kajita T, Kakuno H, Kameda J, Kanazawa Y, Karlen D, Karpikov I, Katori T, Kearns E, Khabibullin M, Khotjantsev A, Kielczewska D, Kikawa T, Kilinski A, Kim J, Kisiel J, Kitching P, Kobayashi T, Koch L, Kolaceke A, Konaka A, Kormos LL, Korzenev A, Koshio Y, Kropp W, Kubo H, Kudenko Y, Kurjata R, Kutter T, Lagoda J, Lamont I, Larkin E, Laveder M, Lawe M, Lazos M, Lindner T, Lister C, Litchfield RP, Longhin A, Ludovici L, Magaletti L, Mahn K, Malek M, Manly S, Marino AD, Marteau J, Martin JF, Martynenko S, Maruyama T, Matveev V, Mavrokoridis K, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Metelko C, Mijakowski P, Miller CA, Minamino A, Mineev O, Missert A, Miura M, Moriyama S, Mueller TA, Murakami A, Murdoch M, Murphy S, Myslik J, Nakadaira T, Nakahata M, Nakamura K, Nakayama S, Nakaya T, Nakayoshi K, Nielsen C, Nirkko M, Nishikawa K, Nishimura Y, O'Keeffe HM, Ohta R, Okumura K, Okusawa T, Oryszczak W, Oser SM, Owen RA, Oyama Y, Palladino V, Palomino JL, Paolone V, Payne D, Perevozchikov O, Perkin JD, Petrov Y, Pickard L, Pinzon Guerra ES, Pistillo C, Plonski P, Poplawska E, Popov B, Posiadala M, Poutissou JM, Poutissou R, Przewlocki P, Quilain B, Radicioni E, Ratoff PN, Ravonel M, Rayner MAM, Redij A, Reeves M, Reinherz-Aronis E, Rodrigues PA, Rojas P, Rondio E, Roth S, Rubbia A, Ruterbories D, Sacco R, Sakashita K, Sánchez F, Sato F, Scantamburlo E, Scholberg K, Schoppmann S, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shiozawa M, Short S, Shustrov Y, Sinclair P, Smith B, Smy M, Sobczyk JT, Sobel H, Sorel M, Southwell L, Stamoulis P, Steinmann J, Still B, Suda Y, Suzuki A, Suzuki K, Suzuki SY, Suzuki Y, Tacik R, Tada M, Takahashi S, Takeda A, Takeuchi Y, Tanaka HK, Tanaka HA, Tanaka MM, Terhorst D, Terri R, Thompson LF, Thorley A, Tobayama S, Toki W, Tomura T, Totsuka Y, Touramanis C, Tsukamoto T, Tzanov M, Uchida Y, Vacheret A, Vagins M, Vasseur G, Wachala T, Waldron AV, Walter CW, Wark D, Wascko MO, Weber A, Wendell R, Wilkes RJ, Wilking MJ, Wilkinson C, Williamson Z, Wilson JR, Wilson RJ, Wongjirad T, Yamada Y, Yamamoto K, Yanagisawa C, Yano T, Yen S, Yershov N, Yokoyama M, Yuan T, Yu M, Zalewska A, Zalipska J, Zambelli L, Zaremba K, Ziembicki M, Zimmerman ED, Zito M, Żmuda J. Measurement of the inclusive electron neutrino charged current cross section on carbon with the T2K near detector. Phys Rev Lett 2014; 113:241803. [PMID: 25541766 DOI: 10.1103/physrevlett.113.241803] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Indexed: 06/04/2023]
Abstract
The T2K off-axis near detector ND280 is used to make the first differential cross-section measurements of electron neutrino charged current interactions at energies ∼1 GeV as a function of electron momentum, electron scattering angle, and four-momentum transfer of the interaction. The total flux-averaged ν(e) charged current cross section on carbon is measured to be ⟨σ⟩(ϕ)=1.11±0.10(stat)±0.18(syst)×10⁻³⁸ cm²/nucleon. The differential and total cross-section measurements agree with the predictions of two leading neutrino interaction generators, NEUT and GENIE. The NEUT prediction is 1.23×10⁻³⁸ cm²/nucleon and the GENIE prediction is 1.08×10⁻³⁸ cm²/nucleon. The total ν(e) charged current cross-section result is also in agreement with data from the Gargamelle experiment.
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Affiliation(s)
- K Abe
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - J Adam
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - H Aihara
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Department of Physics, University of Tokyo, Tokyo, Japan
| | - T Akiri
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - C Andreopoulos
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - S Aoki
- Kobe University, Kobe, Japan
| | - A Ariga
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - S Assylbekov
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - D Autiero
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - M Barbi
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
| | - G J Barker
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - G Barr
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - M Bass
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - M Batkiewicz
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - F Bay
- Institute for Particle Physics, ETH Zurich, Zurich, Switzerland
| | - V Berardi
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - B E Berger
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - S Berkman
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - S Bhadra
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - F d M Blaszczyk
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - A Blondel
- Section de Physique, University of Geneva, DPNC, Geneva, Switzerland
| | - C Bojechko
- Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - S Bordoni
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - S B Boyd
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - D Brailsford
- Department of Physics, Imperial College London, London, United Kingdom
| | - A Bravar
- Section de Physique, University of Geneva, DPNC, Geneva, Switzerland
| | - C Bronner
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - N Buchanan
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - R G Calland
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | | | - S L Cartwright
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - R Castillo
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - M G Catanesi
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - A Cervera
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - D Cherdack
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - G Christodoulou
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - A Clifton
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - J Coleman
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - S J Coleman
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - G Collazuol
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padova, Italy
| | - K Connolly
- Department of Physics, University of Washington, Seattle, Washington, USA
| | - L Cremonesi
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - A Dabrowska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - I Danko
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - R Das
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - S Davis
- Department of Physics, University of Washington, Seattle, Washington, USA
| | - P de Perio
- Department of Physics, University of Toronto, Toronto, Ontario, Canada
| | - G De Rosa
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Napoli, Italy
| | - T Dealtry
- Department of Physics, Oxford University, Oxford, United Kingdom and STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - S R Dennis
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom and Department of Physics, University of Warwick, Coventry, United Kingdom
| | - C Densham
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - D Dewhurst
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - F Di Lodovico
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - S Di Luise
- Institute for Particle Physics, ETH Zurich, Zurich, Switzerland
| | - O Drapier
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - T Duboyski
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - K Duffy
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - J Dumarchez
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), UPMC, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - S Dytman
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - M Dziewiecki
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | | | - A Ereditato
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - L Escudero
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - A J Finch
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - M Friend
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fujii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fukuda
- Department of Physics, Miyagi University of Education, Sendai, Japan
| | - A P Furmanski
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - V Galymov
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - S Giffin
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
| | - C Giganti
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), UPMC, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - K Gilje
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - D Goeldi
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - T Golan
- Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland
| | - M Gonin
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - N Grant
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - D Gudin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - D R Hadley
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - A Haesler
- Section de Physique, University of Geneva, DPNC, Geneva, Switzerland
| | - M D Haigh
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - P Hamilton
- Department of Physics, Imperial College London, London, United Kingdom
| | - D Hansen
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - T Hara
- Kobe University, Kobe, Japan
| | - M Hartz
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and TRIUMF, Vancouver, British Columbia, Canada
| | - T Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - N C Hastings
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
| | - Y Hayato
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - C Hearty
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - R L Helmer
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Hierholzer
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - J Hignight
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - A Hillairet
- Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - A Himmel
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - T Hiraki
- Department of Physics, Kyoto University, Kyoto, Japan
| | - S Hirota
- Department of Physics, Kyoto University, Kyoto, Japan
| | - J Holeczek
- Institute of Physics, University of Silesia, Katowice, Poland
| | - S Horikawa
- Institute for Particle Physics, ETH Zurich, Zurich, Switzerland
| | - K Huang
- Department of Physics, Kyoto University, Kyoto, Japan
| | - A K Ichikawa
- Department of Physics, Kyoto University, Kyoto, Japan
| | - K Ieki
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Ieva
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - M Ikeda
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - J Imber
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - J Insler
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - T J Irvine
- Institute for Cosmic Ray Research, University of Tokyo, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Ishida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Ishii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - E Iwai
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Iwamoto
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - K Iyogi
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - A Izmaylov
- IFIC (CSIC & University of Valencia), Valencia, Spain and Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Jacob
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - B Jamieson
- Department of Physics, University of Winnipeg, Winnipeg, Manitoba, Canada
| | - R A Johnson
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - J H Jo
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - P Jonsson
- Department of Physics, Imperial College London, London, United Kingdom
| | - C K Jung
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - M Kabirnezhad
- National Centre for Nuclear Research, Warsaw, Poland
| | - A C Kaboth
- Department of Physics, Imperial College London, London, United Kingdom
| | - T Kajita
- Institute for Cosmic Ray Research, University of Tokyo, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H Kakuno
- Department of Physics, Tokyo Metropolitan University, Tokyo, Japan
| | - J Kameda
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - Y Kanazawa
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - D Karlen
- TRIUMF, Vancouver, British Columbia, Canada and Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - I Karpikov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - T Katori
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - E Kearns
- Department of Physics, Boston University, Boston, Massachusetts, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Khabibullin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Khotjantsev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - D Kielczewska
- Faculty of Physics, University of Warsaw, Warsaw, Poland
| | - T Kikawa
- Department of Physics, Kyoto University, Kyoto, Japan
| | - A Kilinski
- National Centre for Nuclear Research, Warsaw, Poland
| | - J Kim
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - J Kisiel
- Institute of Physics, University of Silesia, Katowice, Poland
| | - P Kitching
- Department of Physics, University of Alberta, Centre for Particle Physics, Edmonton, Alberta, Canada
| | - T Kobayashi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - L Koch
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Kolaceke
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada
| | - A Konaka
- TRIUMF, Vancouver, British Columbia, Canada
| | - L L Kormos
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - A Korzenev
- Section de Physique, University of Geneva, DPNC, Geneva, Switzerland
| | - Y Koshio
- Department of Physics, Okayama University, Okayama, Japan
| | - W Kropp
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
| | - H Kubo
- Department of Physics, Kyoto University, Kyoto, Japan
| | - Y Kudenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - R Kurjata
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - T Kutter
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - J Lagoda
- National Centre for Nuclear Research, Warsaw, Poland
| | - I Lamont
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - E Larkin
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - M Laveder
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padova, Italy
| | - M Lawe
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - M Lazos
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - T Lindner
- TRIUMF, Vancouver, British Columbia, Canada
| | - C Lister
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - R P Litchfield
- Department of Physics, University of Warwick, Coventry, United Kingdom
| | - A Longhin
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padova, Italy
| | - L Ludovici
- INFN Sezione di Roma and Università di Roma "La Sapienza", Roma, Italy
| | - L Magaletti
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - K Mahn
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Malek
- Department of Physics, Imperial College London, London, United Kingdom
| | - S Manly
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - A D Marino
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - J Marteau
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - J F Martin
- Department of Physics, University of Toronto, Toronto, Ontario, Canada
| | - S Martynenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - T Maruyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Matveev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - K Mavrokoridis
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | | | - M McCarthy
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - N McCauley
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - K S McFarland
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - C McGrew
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - C Metelko
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - P Mijakowski
- National Centre for Nuclear Research, Warsaw, Poland
| | - C A Miller
- TRIUMF, Vancouver, British Columbia, Canada
| | - A Minamino
- Department of Physics, Kyoto University, Kyoto, Japan
| | - O Mineev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Missert
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - M Miura
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - S Moriyama
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - Th A Mueller
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - A Murakami
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M Murdoch
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - S Murphy
- Institute for Particle Physics, ETH Zurich, Zurich, Switzerland
| | - J Myslik
- Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
| | - T Nakadaira
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Nakahata
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - K Nakamura
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - S Nakayama
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - T Nakaya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Department of Physics, Kyoto University, Kyoto, Japan
| | - K Nakayoshi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - C Nielsen
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - M Nirkko
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - K Nishikawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Nishimura
- Institute for Cosmic Ray Research, University of Tokyo, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H M O'Keeffe
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - R Ohta
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Okumura
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Institute for Cosmic Ray Research, University of Tokyo, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Okusawa
- Department of Physics, Osaka City University, Osaka, Japan
| | - W Oryszczak
- Faculty of Physics, University of Warsaw, Warsaw, Poland
| | - S M Oser
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - R A Owen
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - Y Oyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Palladino
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Napoli, Italy
| | - J L Palomino
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - V Paolone
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - D Payne
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - O Perevozchikov
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - J D Perkin
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - Y Petrov
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - L Pickard
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - E S Pinzon Guerra
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - C Pistillo
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - P Plonski
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - E Poplawska
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - B Popov
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), UPMC, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - M Posiadala
- Faculty of Physics, University of Warsaw, Warsaw, Poland
| | | | | | - P Przewlocki
- National Centre for Nuclear Research, Warsaw, Poland
| | - B Quilain
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - E Radicioni
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - P N Ratoff
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - M Ravonel
- Section de Physique, University of Geneva, DPNC, Geneva, Switzerland
| | - M A M Rayner
- Section de Physique, University of Geneva, DPNC, Geneva, Switzerland
| | - A Redij
- Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern, Bern, Switzerland
| | - M Reeves
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - E Reinherz-Aronis
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - P A Rodrigues
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - P Rojas
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - E Rondio
- National Centre for Nuclear Research, Warsaw, Poland
| | - S Roth
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Rubbia
- Institute for Particle Physics, ETH Zurich, Zurich, Switzerland
| | - D Ruterbories
- Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA
| | - R Sacco
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - K Sakashita
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - F Sánchez
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - F Sato
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - E Scantamburlo
- Section de Physique, University of Geneva, DPNC, Geneva, Switzerland
| | - K Scholberg
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - S Schoppmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - J Schwehr
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - M Scott
- TRIUMF, Vancouver, British Columbia, Canada
| | - Y Seiya
- Department of Physics, Osaka City University, Osaka, Japan
| | - T Sekiguchi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - H Sekiya
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - D Sgalaberna
- Institute for Particle Physics, ETH Zurich, Zurich, Switzerland
| | - M Shiozawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - S Short
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - Y Shustrov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - P Sinclair
- Department of Physics, Imperial College London, London, United Kingdom
| | - B Smith
- Department of Physics, Imperial College London, London, United Kingdom
| | - M Smy
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA
| | - J T Sobczyk
- Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland
| | - H Sobel
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Sorel
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - L Southwell
- Physics Department, Lancaster University, Lancaster, United Kingdom
| | - P Stamoulis
- IFIC (CSIC & University of Valencia), Valencia, Spain
| | - J Steinmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - B Still
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - Y Suda
- Department of Physics, University of Tokyo, Tokyo, Japan
| | | | - K Suzuki
- Department of Physics, Kyoto University, Kyoto, Japan
| | - S Y Suzuki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Suzuki
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - R Tacik
- Department of Physics, University of Regina, Regina, Saskatchewan, Canada and TRIUMF, Vancouver, British Columbia, Canada
| | - M Tada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S Takahashi
- Department of Physics, Kyoto University, Kyoto, Japan
| | - A Takeda
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - Y Takeuchi
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Kobe University, Kobe, Japan
| | - H K Tanaka
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - H A Tanaka
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - M M Tanaka
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - D Terhorst
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - R Terri
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - L F Thompson
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - A Thorley
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - S Tobayama
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
| | - W Toki
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - T Tomura
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - Y Totsuka
- Department of Physics, University of Alberta, Centre for Particle Physics, Edmonton, Alberta, Canada
| | - C Touramanis
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - T Tsukamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Tzanov
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Y Uchida
- Department of Physics, Imperial College London, London, United Kingdom
| | - A Vacheret
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - M Vagins
- Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - G Vasseur
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - T Wachala
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - A V Waldron
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - C W Walter
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - D Wark
- Department of Physics, Imperial College London, London, United Kingdom and STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - M O Wascko
- Department of Physics, Imperial College London, London, United Kingdom
| | - A Weber
- Department of Physics, Oxford University, Oxford, United Kingdom and STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - R Wendell
- Institute for Cosmic Ray Research, University of Tokyo, Kamioka Observatory, Kamioka, Japan
| | - R J Wilkes
- Department of Physics, University of Washington, Seattle, Washington, USA
| | | | - C Wilkinson
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - Z Williamson
- Department of Physics, Oxford University, Oxford, United Kingdom
| | - J R Wilson
- School of Physics and Astronomy, Queen Mary University of London, London, United Kingdom
| | - R J Wilson
- Department of Physics, Colorado State University, Fort Collins, Colorado, USA
| | - T Wongjirad
- Department of Physics, Duke University, Durham, North Carolina, USA
| | - Y Yamada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Yamamoto
- Department of Physics, Osaka City University, Osaka, Japan
| | - C Yanagisawa
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA
| | - T Yano
- Kobe University, Kobe, Japan
| | - S Yen
- TRIUMF, Vancouver, British Columbia, Canada
| | - N Yershov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Yokoyama
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - T Yuan
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - M Yu
- Department of Physics and Astronomy, York University, Toronto, Ontario, Canada
| | - A Zalewska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Zalipska
- National Centre for Nuclear Research, Warsaw, Poland
| | - L Zambelli
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Zaremba
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - M Ziembicki
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland
| | - E D Zimmerman
- Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA
| | - M Zito
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - J Żmuda
- Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Feng M, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Lankford AJ, Mandelkern M, Dey B, Gary JW, Long O, Campagnari C, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Panduro Vazquez W, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Miyashita TS, Ongmongkolkul P, Porter FC, Andreassen R, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Bernard D, Verderi M, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Piemontese L, Santoro V, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker HM, Dauncey PD, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Bougher J, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert KR, Barlow RJ, Lafferty GD, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Sciolla G, Cheaib R, Patel PM, Robertson SH, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers DJ, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Feltresi E, Margoni M, Morandin M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Leruste P, Marchiori G, Ocariz J, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Chrzaszcz M, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Pilloni A, Piredda G, Bünger C, Dittrich S, Grünberg O, Hartmann T, Hess M, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Vasseur G, Anulli F, Aston D, Bard DJ, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Graham MT, Hast C, Innes WR, Kim P, Leith DWGS, Lewis P, Lindemann D, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wisniewski WJ, Wulsin HW, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Ruland AM, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Villanueva-Perez P, Albert J, Banerjee S, Beaulieu A, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Search for a dark photon in e(+)e(-) collisions at BABAR. Phys Rev Lett 2014; 113:201801. [PMID: 25432035 DOI: 10.1103/physrevlett.113.201801] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Indexed: 06/04/2023]
Abstract
Dark sectors charged under a new Abelian interaction have recently received much attention in the context of dark matter models. These models introduce a light new mediator, the so-called dark photon (A^{'}), connecting the dark sector to the standard model. We present a search for a dark photon in the reaction e^{+}e^{-}→γA^{'}, A^{'}→e^{+}e^{-}, μ^{+}μ^{-} using 514 fb^{-1} of data collected with the BABAR detector. We observe no statistically significant deviations from the standard model predictions, and we set 90% confidence level upper limits on the mixing strength between the photon and dark photon at the level of 10^{-4}-10^{-3} for dark photon masses in the range 0.02-10.2 GeV. We further constrain the range of the parameter space favored by interpretations of the discrepancy between the calculated and measured anomalous magnetic moment of the muon.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari, I-70126 Bari, Italy and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - B Stugu
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M Feng
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - L T Kerth
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M J Lee
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - G Lynch
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - H Koch
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - T Schroeder
- Ruhr Universität Bochum, Institut für Experimentalphysik 1, D-44780 Bochum, Germany
| | - C Hearty
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - A Khan
- Brunel University, Uxbridge, Middlesex UB8 3PH, United Kingdom
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia and Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia and Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - M Mandelkern
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - C Campagnari
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - M Franco Sevilla
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - T M Hong
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - D Kovalskyi
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - J D Richman
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - C A West
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - A M Eisner
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W S Lockman
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - W Panduro Vazquez
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - B A Schumm
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - A Seiden
- University of California at Santa Cruz, Institute for Particle Physics, Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - T S Miyashita
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - R Andreassen
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | | | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - P C Bloom
- University of Colorado, Boulder, Colorado 80309, USA
| | - W T Ford
- University of Colorado, Boulder, Colorado 80309, USA
| | - A Gaz
- University of Colorado, Boulder, Colorado 80309, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - R Ayad
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - W H Toki
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - B Spaan
- Technische Universität Dortmund, Fakultät Physik, D-44221 Dortmund, Germany
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - S Playfer
- University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | | | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rama
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R Contri
- INFN Sezione di Genova, I-16146 Genova, Italy and Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M Lo Vetere
- INFN Sezione di Genova, I-16146 Genova, Italy and Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M R Monge
- INFN Sezione di Genova, I-16146 Genova, Italy and Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - C Patrignani
- INFN Sezione di Genova, I-16146 Genova, Italy and Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - E Robutti
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - V Prasad
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - A Adametz
- Universität Heidelberg, Physikalisches Institut, D-69120 Heidelberg, Germany
| | - U Uwer
- Universität Heidelberg, Physikalisches Institut, D-69120 Heidelberg, Germany
| | - H M Lacker
- Humboldt-Universität zu Berlin, Institut für Physik, D-12489 Berlin, Germany
| | - P D Dauncey
- Imperial College London, London SW7 2AZ, United Kingdom
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - H Ahmed
- Physics Department, Jazan University, Jazan 22822, Kingdom of Saudia Arabia
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D Derkach
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Grosdidier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - B Malaescu
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - P Roudeau
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A Stocchi
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - J R Fry
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - J Bougher
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - M Fritsch
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K R Schubert
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - B Hamilton
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - G Sciolla
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - R Cheaib
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - P M Patel
- McGill University, Montréal, Québec, Canada H3A 2T8
| | | | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy and Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - P Sonnek
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - M Simard
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli, I-80126 Napoli, Italy and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Onorato
- INFN Sezione di Napoli, I-80126 Napoli, Italy and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli, I-80126 Napoli, Italy and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - M Martinelli
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - E Feltresi
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Morandin
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Rotondo
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - H Briand
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - Ph Leruste
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy and Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - S Pacetti
- INFN Sezione di Perugia, I-06123 Perugia, Italy and Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - C Angelini
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Cervelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | | | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Perez
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - D Lopes Pegna
- Princeton University, Princeton, New Jersey 08544, USA
| | - J Olsen
- Princeton University, Princeton, New Jersey 08544, USA
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy and Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy and Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - M Gaspero
- INFN Sezione di Roma, I-00185 Roma, Italy and Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - L Li Gioi
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - A Pilloni
- INFN Sezione di Roma, I-00185 Roma, Italy and Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - S Dittrich
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - T Hartmann
- Universität Rostock, D-18051 Rostock, Germany
| | - M Hess
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - E O Olaiya
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - F Anulli
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D J Bard
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | | | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - P Lewis
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D Lindemann
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - V Luth
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H L Lynch
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M Perl
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - T Pulliam
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A A Salnikov
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - R H Schindler
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - A Snyder
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - D Su
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - H W Wulsin
- SLAC National Accelerator Laboratory, Stanford, California 94309 USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - R M White
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - M Bellis
- Stanford University, Stanford, California 94305-4060, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305-4060, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305-4060, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - N Guttman
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - D R Peimer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - A Soffer
- Tel Aviv University, School of Physics and Astronomy, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | - A M Ruland
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - B C Wray
- University of Texas at Austin, Austin, Texas 78712, USA
| | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy and Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy and Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy and Dipartimento di Fisica, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste, I-34127 Trieste, Italy and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste, I-34127 Trieste, Italy and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | | | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - Sw Banerjee
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - A Beaulieu
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - H H F Choi
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - M J Lewczuk
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - H R Band
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S Dasu
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - Y Pan
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Abe K, Adam J, Aihara H, Akiri T, Andreopoulos C, Aoki S, Ariga A, Ariga T, Assylbekov S, Autiero D, Barbi M, Barker GJ, Barr G, Bass M, Batkiewicz M, Bay F, Bentham SW, Berardi V, Berger BE, Berkman S, Bertram I, Bhadra S, Blaszczyk FDM, Blondel A, Bojechko C, Bordoni S, Boyd SB, Brailsford D, Bravar A, Bronner C, Buchanan N, Calland RG, Caravaca Rodríguez J, Cartwright SL, Castillo R, Catanesi MG, Cervera A, Cherdack D, Christodoulou G, Clifton A, Coleman J, Coleman SJ, Collazuol G, Connolly K, Cremonesi L, Dabrowska A, Danko I, Das R, Davis S, de Perio P, De Rosa G, Dealtry T, Dennis SR, Densham C, Di Lodovico F, Di Luise S, Drapier O, Duboyski T, Duffy K, Dufour F, Dumarchez J, Dytman S, Dziewiecki M, Emery S, Ereditato A, Escudero L, Finch AJ, Floetotto L, Friend M, Fujii Y, Fukuda Y, Furmanski AP, Galymov V, Giffin S, Giganti C, Gilje K, Goeldi D, Golan T, Gonin M, Grant N, Gudin D, Hadley DR, Haesler A, Haigh MD, Hamilton P, Hansen D, Hara T, Hartz M, Hasegawa T, Hastings NC, Hayato Y, Hearty C, Helmer RL, Hierholzer M, Hignight J, Hillairet A, Himmel A, Hiraki T, Hirota S, Holeczek J, Horikawa S, Huang K, Ichikawa AK, Ieki K, Ieva M, Ikeda M, Imber J, Insler J, Irvine TJ, Ishida T, Ishii T, Ives SJ, Iwai E, Iyogi K, Izmaylov A, Jacob A, Jamieson B, Johnson RA, Jo JH, Jonsson P, Jung CK, Kabirnezhad M, Kaboth AC, Kajita T, Kakuno H, Kameda J, Kanazawa Y, Karlen D, Karpikov I, Kearns E, Khabibullin M, Khotjantsev A, Kielczewska D, Kikawa T, Kilinski A, Kim J, Kisiel J, Kitching P, Kobayashi T, Koch L, Kolaceke A, Konaka A, Kormos LL, Korzenev A, Koseki K, Koshio Y, Kreslo I, Kropp W, Kubo H, Kudenko Y, Kumaratunga S, Kurjata R, Kutter T, Lagoda J, Laihem K, Lamont I, Laveder M, Lawe M, Lazos M, Lee KP, Lindner T, Lister C, Litchfield RP, Longhin A, Ludovici L, Macaire M, Magaletti L, Mahn K, Malek M, Manly S, Marino AD, Marteau J, Martin JF, Maruyama T, Marzec J, Mathie EL, Matveev V, Mavrokoridis K, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Metelko C, Mezzetto M, Mijakowski P, Miller CA, Minamino A, Mineev O, Mine S, Missert A, Miura M, Monfregola L, Moriyama S, Mueller TA, Murakami A, Murdoch M, Murphy S, Myslik J, Nagasaki T, Nakadaira T, Nakahata M, Nakai T, Nakamura K, Nakayama S, Nakaya T, Nakayoshi K, Naples D, Nielsen C, Nirkko M, Nishikawa K, Nishimura Y, O'Keeffe HM, Ohta R, Okumura K, Okusawa T, Oryszczak W, Oser SM, Owen RA, Oyama Y, Palladino V, Palomino J, Paolone V, Payne D, Perevozchikov O, Perkin JD, Petrov Y, Pickard L, Pinzon Guerra ES, Pistillo C, Plonski P, Poplawska E, Popov B, Posiadala M, Poutissou JM, Poutissou R, Przewlocki P, Quilain B, Radicioni E, Ratoff PN, Ravonel M, Rayner MAM, Redij A, Reeves M, Reinherz-Aronis E, Retiere F, Robert A, Rodrigues PA, Rojas P, Rondio E, Roth S, Rubbia A, Ruterbories D, Sacco R, Sakashita K, Sánchez F, Sato F, Scantamburlo E, Scholberg K, Schoppmann S, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shiozawa M, Short S, Shustrov Y, Sinclair P, Smith B, Smith RJ, Smy M, Sobczyk JT, Sobel H, Sorel M, Southwell L, Stamoulis P, Steinmann J, Still B, Suda Y, Suzuki A, Suzuki K, Suzuki SY, Suzuki Y, Szeglowski T, Tacik R, Tada M, Takahashi S, Takeda A, Takeuchi Y, Tanaka HK, Tanaka HA, Tanaka MM, Terhorst D, Terri R, Thompson LF, Thorley A, Tobayama S, Toki W, Tomura T, Totsuka Y, Touramanis C, Tsukamoto T, Tzanov M, Uchida Y, Ueno K, Vacheret A, Vagins M, Vasseur G, Wachala T, Waldron AV, Walter CW, Wark D, Wascko MO, Weber A, Wendell R, Wilkes RJ, Wilking MJ, Wilkinson C, Williamson Z, Wilson JR, Wilson RJ, Wongjirad T, Yamada Y, Yamamoto K, Yanagisawa C, Yen S, Yershov N, Yokoyama M, Yuan T, Yu M, Zalewska A, Zalipska J, Zambelli L, Zaremba K, Ziembicki M, Zimmerman ED, Zito M, Żmuda J. Precise measurement of the neutrino mixing parameter θ23 from muon neutrino disappearance in an off-axis beam. Phys Rev Lett 2014; 112:181801. [PMID: 24856687 DOI: 10.1103/physrevlett.112.181801] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Indexed: 06/03/2023]
Abstract
New data from the T2K neutrino oscillation experiment produce the most precise measurement of the neutrino mixing parameter θ23. Using an off-axis neutrino beam with a peak energy of 0.6 GeV and a data set corresponding to 6.57×10(20) protons on target, T2K has fit the energy-dependent νμ oscillation probability to determine oscillation parameters. The 68% confidence limit on sin(2)(θ23) is 0.514(-0.056)(+0.055) (0.511±0.055), assuming normal (inverted) mass hierarchy. The best-fit mass-squared splitting for normal hierarchy is Δm32(2)=(2.51±0.10)×10(-3) eV(2)/c(4) (inverted hierarchy: Δm13(2)=(2.48±0.10)×10(-3) eV(2)/c(4)). Adding a model of multinucleon interactions that affect neutrino energy reconstruction is found to produce only small biases in neutrino oscillation parameter extraction at current levels of statistical uncertainty.
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Affiliation(s)
- K Abe
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Adam
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - H Aihara
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Department of Physics, Tokyo, Japan
| | - T Akiri
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - C Andreopoulos
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - S Aoki
- Kobe University, Kobe, Japan
| | - A Ariga
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - T Ariga
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - S Assylbekov
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - D Autiero
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - M Barbi
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - G J Barker
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - G Barr
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - M Bass
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - M Batkiewicz
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - F Bay
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - S W Bentham
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - V Berardi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - B E Berger
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - S Berkman
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - I Bertram
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - S Bhadra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - F d M Blaszczyk
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - A Blondel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - C Bojechko
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - S Bordoni
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - S B Boyd
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - D Brailsford
- Imperial College London, Department of Physics, London, United Kingdom
| | - A Bravar
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - C Bronner
- Kyoto University, Department of Physics, Kyoto, Japan
| | - N Buchanan
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - R G Calland
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | | | - S L Cartwright
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - R Castillo
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - M G Catanesi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - A Cervera
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - D Cherdack
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - G Christodoulou
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - A Clifton
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - J Coleman
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - S J Coleman
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - G Collazuol
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - K Connolly
- University of Washington, Department of Physics, Seattle, Washington, USA
| | - L Cremonesi
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - A Dabrowska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - I Danko
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - R Das
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - S Davis
- University of Washington, Department of Physics, Seattle, Washington, USA
| | - P de Perio
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - G De Rosa
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - T Dealtry
- Oxford University, Department of Physics, Oxford, United Kingdom and STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - S R Dennis
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom and University of Warwick, Department of Physics, Coventry, United Kingdom
| | - C Densham
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - F Di Lodovico
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - S Di Luise
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - O Drapier
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - T Duboyski
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - K Duffy
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - F Dufour
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - J Dumarchez
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - S Dytman
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - M Dziewiecki
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - S Emery
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - A Ereditato
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - L Escudero
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - A J Finch
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - L Floetotto
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - M Friend
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fujii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fukuda
- Miyagi University of Education, Department of Physics, Sendai, Japan
| | - A P Furmanski
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - V Galymov
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - S Giffin
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - C Giganti
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - K Gilje
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - D Goeldi
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - T Golan
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - M Gonin
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - N Grant
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - D Gudin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - D R Hadley
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - A Haesler
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - M D Haigh
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - P Hamilton
- Imperial College London, Department of Physics, London, United Kingdom
| | - D Hansen
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - T Hara
- Kobe University, Kobe, Japan
| | - M Hartz
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and TRIUMF, Vancouver, British Columbia, Canada
| | - T Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - N C Hastings
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - Y Hayato
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - C Hearty
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - R L Helmer
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Hierholzer
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - J Hignight
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - A Hillairet
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - A Himmel
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - T Hiraki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Hirota
- Kyoto University, Department of Physics, Kyoto, Japan
| | - J Holeczek
- University of Silesia, Institute of Physics, Katowice, Poland
| | - S Horikawa
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - K Huang
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A K Ichikawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Ieki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Ieva
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - M Ikeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Imber
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - J Insler
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - T J Irvine
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Ishida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Ishii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S J Ives
- Imperial College London, Department of Physics, London, United Kingdom
| | - E Iwai
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Iyogi
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - A Izmaylov
- IFIC (CSIC and University of Valencia), Valencia, Spain and Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Jacob
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - B Jamieson
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - R A Johnson
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - J H Jo
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - P Jonsson
- Imperial College London, Department of Physics, London, United Kingdom
| | - C K Jung
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - M Kabirnezhad
- National Centre for Nuclear Research, Warsaw, Poland
| | - A C Kaboth
- Imperial College London, Department of Physics, London, United Kingdom
| | - T Kajita
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H Kakuno
- Tokyo Metropolitan University, Department of Physics, Tokyo, Japan
| | - J Kameda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Kanazawa
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - D Karlen
- TRIUMF, Vancouver, British Columbia, Canada and University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - I Karpikov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - E Kearns
- Boston University, Department of Physics, Boston, Massachusetts, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Khabibullin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Khotjantsev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - D Kielczewska
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | - T Kikawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A Kilinski
- National Centre for Nuclear Research, Warsaw, Poland
| | - J Kim
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - J Kisiel
- University of Silesia, Institute of Physics, Katowice, Poland
| | - P Kitching
- University of Alberta, Centre for Particle Physics, Department of Physics, Edmonton, Alberta, Canada
| | - T Kobayashi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - L Koch
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Kolaceke
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - A Konaka
- TRIUMF, Vancouver, British Columbia, Canada
| | - L L Kormos
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - A Korzenev
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - K Koseki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Koshio
- Okayama University, Department of Physics, Okayama, Japan
| | - I Kreslo
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - W Kropp
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - H Kubo
- Kyoto University, Department of Physics, Kyoto, Japan
| | - Y Kudenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | | | - R Kurjata
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - T Kutter
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - J Lagoda
- National Centre for Nuclear Research, Warsaw, Poland
| | - K Laihem
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - I Lamont
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Laveder
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - M Lawe
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - M Lazos
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - K P Lee
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Lindner
- TRIUMF, Vancouver, British Columbia, Canada
| | - C Lister
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - R P Litchfield
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - A Longhin
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - L Ludovici
- INFN Sezione di Roma and Università di Roma "La Sapienza," Roma, Italy
| | - M Macaire
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - L Magaletti
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - K Mahn
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Malek
- Imperial College London, Department of Physics, London, United Kingdom
| | - S Manly
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - A D Marino
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - J Marteau
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - J F Martin
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - T Maruyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - J Marzec
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - E L Mathie
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - V Matveev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - K Mavrokoridis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | | | - M McCarthy
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - N McCauley
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - K S McFarland
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - C McGrew
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - C Metelko
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - M Mezzetto
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - P Mijakowski
- National Centre for Nuclear Research, Warsaw, Poland
| | - C A Miller
- TRIUMF, Vancouver, British Columbia, Canada
| | - A Minamino
- Kyoto University, Department of Physics, Kyoto, Japan
| | - O Mineev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Mine
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - A Missert
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Miura
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - L Monfregola
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - S Moriyama
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Th A Mueller
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - A Murakami
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Murdoch
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - S Murphy
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - J Myslik
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - T Nagasaki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - T Nakadaira
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Nakahata
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Nakai
- Osaka City University, Department of Physics, Osaka, Japan
| | - K Nakamura
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - S Nakayama
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Nakaya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Kyoto University, Department of Physics, Kyoto, Japan
| | - K Nakayoshi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - D Naples
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - C Nielsen
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - M Nirkko
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - K Nishikawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Nishimura
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H M O'Keeffe
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - R Ohta
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Okumura
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Okusawa
- Osaka City University, Department of Physics, Osaka, Japan
| | - W Oryszczak
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | - S M Oser
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - R A Owen
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - Y Oyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Palladino
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - J Palomino
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - V Paolone
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - D Payne
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - O Perevozchikov
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - J D Perkin
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - Y Petrov
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - L Pickard
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - E S Pinzon Guerra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - C Pistillo
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - P Plonski
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - E Poplawska
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - B Popov
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - M Posiadala
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | | | | | - P Przewlocki
- National Centre for Nuclear Research, Warsaw, Poland
| | - B Quilain
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - E Radicioni
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - P N Ratoff
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Ravonel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - M A M Rayner
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - A Redij
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - M Reeves
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - E Reinherz-Aronis
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - F Retiere
- TRIUMF, Vancouver, British Columbia, Canada
| | - A Robert
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - P A Rodrigues
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - P Rojas
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - E Rondio
- National Centre for Nuclear Research, Warsaw, Poland
| | - S Roth
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Rubbia
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - D Ruterbories
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - R Sacco
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - K Sakashita
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - F Sánchez
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - F Sato
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - E Scantamburlo
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - K Scholberg
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - S Schoppmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - J Schwehr
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - M Scott
- TRIUMF, Vancouver, British Columbia, Canada
| | - Y Seiya
- Osaka City University, Department of Physics, Osaka, Japan
| | - T Sekiguchi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - H Sekiya
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - D Sgalaberna
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - M Shiozawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - S Short
- Imperial College London, Department of Physics, London, United Kingdom
| | - Y Shustrov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - P Sinclair
- Imperial College London, Department of Physics, London, United Kingdom
| | - B Smith
- Imperial College London, Department of Physics, London, United Kingdom
| | - R J Smith
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - M Smy
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - J T Sobczyk
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - H Sobel
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Sorel
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - L Southwell
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - P Stamoulis
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - J Steinmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - B Still
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - Y Suda
- University of Tokyo, Department of Physics, Tokyo, Japan
| | | | - K Suzuki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Y Suzuki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Suzuki
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Szeglowski
- University of Silesia, Institute of Physics, Katowice, Poland
| | - R Tacik
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada and TRIUMF, Vancouver, British Columbia, Canada
| | - M Tada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S Takahashi
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A Takeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Takeuchi
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Kobe University, Kobe, Japan
| | - H K Tanaka
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - H A Tanaka
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - M M Tanaka
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - D Terhorst
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - R Terri
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - L F Thompson
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - A Thorley
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - S Tobayama
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - W Toki
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - T Tomura
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Totsuka
- University of Alberta, Centre for Particle Physics, Department of Physics, Edmonton, Alberta, Canada and University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland and Boston University, Department of Physics, Boston, Massachusetts, USA and University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada and University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA and IRFU, CEA Saclay, Gif-sur-Yvette, France and University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA and Colorado State University, Department of Physics, Fort Collins, Colorado, USA and Duke University, Department of Physics, Durham, North Carolina, USA and Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France and ETH Zurich, Institute for Particle Physics, Zurich, Switzerland and University of Geneva, Section de Physique, DPNC, Geneva, Switzerland and H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland and High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan and Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain and IFIC (CSIC and University of Valencia), Valencia, Spain and Imperial College London, Department of Physics, London, United Kingdom and INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy and INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy and INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy and INFN Sezione di Roma and Università di Roma "La Sapienza," Roma, Italy and Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Ch
| | - C Touramanis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - T Tsukamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Tzanov
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - Y Uchida
- Imperial College London, Department of Physics, London, United Kingdom
| | - K Ueno
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - A Vacheret
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - M Vagins
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - G Vasseur
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - T Wachala
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - A V Waldron
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - C W Walter
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - D Wark
- Imperial College London, Department of Physics, London, United Kingdom and STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - M O Wascko
- Imperial College London, Department of Physics, London, United Kingdom
| | - A Weber
- Oxford University, Department of Physics, Oxford, United Kingdom and STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - R Wendell
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - R J Wilkes
- University of Washington, Department of Physics, Seattle, Washington, USA
| | | | - C Wilkinson
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - Z Williamson
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - J R Wilson
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - R J Wilson
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - T Wongjirad
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - Y Yamada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Yamamoto
- Osaka City University, Department of Physics, Osaka, Japan
| | - C Yanagisawa
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - S Yen
- TRIUMF, Vancouver, British Columbia, Canada
| | - N Yershov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Yokoyama
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - T Yuan
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Yu
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - A Zalewska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Zalipska
- National Centre for Nuclear Research, Warsaw, Poland
| | - L Zambelli
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - K Zaremba
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - M Ziembicki
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - E D Zimmerman
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Zito
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - J Żmuda
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
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34
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Abe K, Adam J, Aihara H, Akiri T, Andreopoulos C, Aoki S, Ariga A, Ariga T, Assylbekov S, Autiero D, Barbi M, Barker GJ, Barr G, Bass M, Batkiewicz M, Bay F, Bentham SW, Berardi V, Berger BE, Berkman S, Bertram I, Bhadra S, Blaszczyk FDM, Blondel A, Bojechko C, Bordoni S, Boyd SB, Brailsford D, Bravar A, Bronner C, Buchanan N, Calland RG, Caravaca Rodríguez J, Cartwright SL, Castillo R, Catanesi MG, Cervera A, Cherdack D, Christodoulou G, Clifton A, Coleman J, Coleman SJ, Collazuol G, Connolly K, Cremonesi L, Dabrowska A, Danko I, Das R, Davis S, de Perio P, De Rosa G, Dealtry T, Dennis SR, Densham C, Di Lodovico F, Di Luise S, Drapier O, Duboyski T, Duffy K, Dufour F, Dumarchez J, Dytman S, Dziewiecki M, Emery S, Ereditato A, Escudero L, Finch AJ, Floetotto L, Friend M, Fujii Y, Fukuda Y, Furmanski AP, Galymov V, Gaudin A, Giffin S, Giganti C, Gilje K, Goeldi D, Golan T, Gomez-Cadenas JJ, Gonin M, Grant N, Gudin D, Hadley DR, Haesler A, Haigh MD, Hamilton P, Hansen D, Hara T, Hartz M, Hasegawa T, Hastings NC, Hayato Y, Hearty C, Helmer RL, Hierholzer M, Hignight J, Hillairet A, Himmel A, Hiraki T, Hirota S, Holeczek J, Horikawa S, Huang K, Ichikawa AK, Ieki K, Ieva M, Ikeda M, Imber J, Insler J, Irvine TJ, Ishida T, Ishii T, Ives SJ, Iyogi K, Izmaylov A, Jacob A, Jamieson B, Johnson RA, Jo JH, Jonsson P, Jung CK, Kaboth AC, Kajita T, Kakuno H, Kameda J, Kanazawa Y, Karlen D, Karpikov I, Kearns E, Khabibullin M, Khotjantsev A, Kielczewska D, Kikawa T, Kilinski A, Kim J, Kisiel J, Kitching P, Kobayashi T, Koch L, Kolaceke A, Konaka A, Kormos LL, Korzenev A, Koseki K, Koshio Y, Kreslo I, Kropp W, Kubo H, Kudenko Y, Kumaratunga S, Kurjata R, Kutter T, Lagoda J, Laihem K, Lamont I, Laveder M, Lawe M, Lazos M, Lee KP, Licciardi C, Lindner T, Lister C, Litchfield RP, Longhin A, Ludovici L, Macaire M, Magaletti L, Mahn K, Malek M, Manly S, Marino AD, Marteau J, Martin JF, Maruyama T, Marzec J, Mathie EL, Matveev V, Mavrokoridis K, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Metelko C, Mezzetto M, Mijakowski P, Miller CA, Minamino A, Mineev O, Mine S, Missert A, Miura M, Monfregola L, Moriyama S, Mueller TA, Murakami A, Murdoch M, Murphy S, Myslik J, Nagasaki T, Nakadaira T, Nakahata M, Nakai T, Nakamura K, Nakayama S, Nakaya T, Nakayoshi K, Naples D, Nielsen C, Nirkko M, Nishikawa K, Nishimura Y, O'Keeffe HM, Ohta R, Okumura K, Okusawa T, Oryszczak W, Oser SM, Owen RA, Oyama Y, Palladino V, Paolone V, Payne D, Pearce GF, Perevozchikov O, Perkin JD, Petrov Y, Pickard LJ, Pinzon Guerra ES, Pistillo C, Plonski P, Poplawska E, Popov B, Posiadala M, Poutissou JM, Poutissou R, Przewlocki P, Quilain B, Radicioni E, Ratoff PN, Ravonel M, Rayner MAM, Redij A, Reeves M, Reinherz-Aronis E, Retiere F, Robert A, Rodrigues PA, Rojas P, Rondio E, Roth S, Rubbia A, Ruterbories D, Sacco R, Sakashita K, Sánchez F, Sato F, Scantamburlo E, Scholberg K, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shiozawa M, Short S, Shustrov Y, Sinclair P, Smith B, Smith RJ, Smy M, Sobczyk JT, Sobel H, Sorel M, Southwell L, Stamoulis P, Steinmann J, Still B, Suda Y, Suzuki A, Suzuki K, Suzuki SY, Suzuki Y, Szeglowski T, Tacik R, Tada M, Takahashi S, Takeda A, Takeuchi Y, Tanaka HK, Tanaka HA, Tanaka MM, Terhorst D, Terri R, Thompson LF, Thorley A, Tobayama S, Toki W, Tomura T, Totsuka Y, Touramanis C, Tsukamoto T, Tzanov M, Uchida Y, Ueno K, Vacheret A, Vagins M, Vasseur G, Wachala T, Waldron AV, Walter CW, Wark D, Wascko MO, Weber A, Wendell R, Wilkes RJ, Wilking MJ, Wilkinson C, Williamson Z, Wilson JR, Wilson RJ, Wongjirad T, Yamada Y, Yamamoto K, Yanagisawa C, Yen S, Yershov N, Yokoyama M, Yuan T, Zalewska A, Zalipska J, Zambelli L, Zaremba K, Ziembicki M, Zimmerman ED, Zito M, Zmuda J. Observation of electron neutrino appearance in a muon neutrino beam. Phys Rev Lett 2014; 112:061802. [PMID: 24580687 DOI: 10.1103/physrevlett.112.061802] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Indexed: 06/03/2023]
Abstract
The T2K experiment has observed electron neutrino appearance in a muon neutrino beam produced 295 km from the Super-Kamiokande detector with a peak energy of 0.6 GeV. A total of 28 electron neutrino events were detected with an energy distribution consistent with an appearance signal, corresponding to a significance of 7.3σ when compared to 4.92±0.55 expected background events. In the Pontecorvo-Maki-Nakagawa-Sakata mixing model, the electron neutrino appearance signal depends on several parameters including three mixing angles θ12, θ23, θ13, a mass difference Δm(32)(2) and a CP violating phase δ(CP). In this neutrino oscillation scenario, assuming |Δm(32)(2)|=2.4×10(-3) eV(2), sin(2)θ(23)=0.5, and Δm322>0 (Δm(32)(2)<0), a best-fit value of sin(2)2θ(13)=0.140(-0.032)(+0.038) (0.170(-0.037)(+0.045)) is obtained at δ(CP)=0. When combining the result with the current best knowledge of oscillation parameters including the world average value of θ(13) from reactor experiments, some values of δ(CP) are disfavored at the 90% C.L.
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Affiliation(s)
- K Abe
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Adam
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - H Aihara
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Department of Physics, Tokyo, Japan
| | - T Akiri
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - C Andreopoulos
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - S Aoki
- Kobe University, Kobe, Japan
| | - A Ariga
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - T Ariga
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - S Assylbekov
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - D Autiero
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - M Barbi
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - G J Barker
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - G Barr
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - M Bass
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - M Batkiewicz
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - F Bay
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - S W Bentham
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - V Berardi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - B E Berger
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - S Berkman
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - I Bertram
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - S Bhadra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - F D M Blaszczyk
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - A Blondel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - C Bojechko
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - S Bordoni
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - S B Boyd
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - D Brailsford
- Imperial College London, Department of Physics, London, United Kingdom
| | - A Bravar
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - C Bronner
- Kyoto University, Department of Physics, Kyoto, Japan
| | - N Buchanan
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - R G Calland
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | | | - S L Cartwright
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - R Castillo
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - M G Catanesi
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - A Cervera
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - D Cherdack
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - G Christodoulou
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - A Clifton
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - J Coleman
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - S J Coleman
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - G Collazuol
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - K Connolly
- University of Washington, Department of Physics, Seattle, Washington, USA
| | - L Cremonesi
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - A Dabrowska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - I Danko
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - R Das
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - S Davis
- University of Washington, Department of Physics, Seattle, Washington, USA
| | - P de Perio
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - G De Rosa
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - T Dealtry
- Oxford University, Department of Physics, Oxford, United Kingdom and STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - S R Dennis
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom and University of Warwick, Department of Physics, Coventry, United Kingdom
| | - C Densham
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - F Di Lodovico
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - S Di Luise
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - O Drapier
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - T Duboyski
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - K Duffy
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - F Dufour
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - J Dumarchez
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - S Dytman
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - M Dziewiecki
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - S Emery
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - A Ereditato
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - L Escudero
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - A J Finch
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - L Floetotto
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - M Friend
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fujii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Fukuda
- Miyagi University of Education, Department of Physics, Sendai, Japan
| | - A P Furmanski
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - V Galymov
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - A Gaudin
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - S Giffin
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - C Giganti
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - K Gilje
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - D Goeldi
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - T Golan
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | | | - M Gonin
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - N Grant
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - D Gudin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - D R Hadley
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - A Haesler
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - M D Haigh
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - P Hamilton
- Imperial College London, Department of Physics, London, United Kingdom
| | - D Hansen
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - T Hara
- Kobe University, Kobe, Japan
| | - M Hartz
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and TRIUMF, Vancouver, British Columbia, Canada
| | - T Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - N C Hastings
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - Y Hayato
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - C Hearty
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - R L Helmer
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Hierholzer
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - J Hignight
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - A Hillairet
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - A Himmel
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - T Hiraki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Hirota
- Kyoto University, Department of Physics, Kyoto, Japan
| | - J Holeczek
- University of Silesia, Institute of Physics, Katowice, Poland
| | - S Horikawa
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - K Huang
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A K Ichikawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - K Ieki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Ieva
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - M Ikeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - J Imber
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - J Insler
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - T J Irvine
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Ishida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - T Ishii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S J Ives
- Imperial College London, Department of Physics, London, United Kingdom
| | - K Iyogi
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - A Izmaylov
- IFIC (CSIC and University of Valencia), Valencia, Spain and Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Jacob
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - B Jamieson
- University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada
| | - R A Johnson
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - J H Jo
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - P Jonsson
- Imperial College London, Department of Physics, London, United Kingdom
| | - C K Jung
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - A C Kaboth
- Imperial College London, Department of Physics, London, United Kingdom
| | - T Kajita
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H Kakuno
- Tokyo Metropolitan University, Department of Physics, Tokyo, Japan
| | - J Kameda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Kanazawa
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - D Karlen
- TRIUMF, Vancouver, British Columbia, Canada and University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - I Karpikov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - E Kearns
- Boston University, Department of Physics, Boston, Massachusetts, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Khabibullin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A Khotjantsev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - D Kielczewska
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | - T Kikawa
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A Kilinski
- National Centre for Nuclear Research, Warsaw, Poland
| | - J Kim
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - J Kisiel
- University of Silesia, Institute of Physics, Katowice, Poland
| | - P Kitching
- University of Alberta, Centre for Particle Physics, Department of Physics, Edmonton, Alberta, Canada
| | - T Kobayashi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - L Koch
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Kolaceke
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - A Konaka
- TRIUMF, Vancouver, British Columbia, Canada
| | - L L Kormos
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - A Korzenev
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - K Koseki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Koshio
- Okayama University, Department of Physics, Okayama, Japan
| | - I Kreslo
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - W Kropp
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - H Kubo
- Kyoto University, Department of Physics, Kyoto, Japan
| | - Y Kudenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | | | - R Kurjata
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - T Kutter
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - J Lagoda
- National Centre for Nuclear Research, Warsaw, Poland
| | - K Laihem
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - I Lamont
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Laveder
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - M Lawe
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - M Lazos
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - K P Lee
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - C Licciardi
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - T Lindner
- TRIUMF, Vancouver, British Columbia, Canada
| | - C Lister
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - R P Litchfield
- University of Warwick, Department of Physics, Coventry, United Kingdom
| | - A Longhin
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - L Ludovici
- INFN Sezione di Roma and Università di Roma "La Sapienza", Roma, Italy
| | - M Macaire
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - L Magaletti
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - K Mahn
- TRIUMF, Vancouver, British Columbia, Canada
| | - M Malek
- Imperial College London, Department of Physics, London, United Kingdom
| | - S Manly
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - A D Marino
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - J Marteau
- Université de Lyon, Université Claude Bernard Lyon 1, IPN Lyon (IN2P3), Villeurbanne, France
| | - J F Martin
- University of Toronto, Department of Physics, Toronto, Ontario, Canada
| | - T Maruyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - J Marzec
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - E L Mathie
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada
| | - V Matveev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - K Mavrokoridis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | | | - M McCarthy
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - N McCauley
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - K S McFarland
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - C McGrew
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - C Metelko
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - M Mezzetto
- INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy
| | - P Mijakowski
- National Centre for Nuclear Research, Warsaw, Poland
| | - C A Miller
- TRIUMF, Vancouver, British Columbia, Canada
| | - A Minamino
- Kyoto University, Department of Physics, Kyoto, Japan
| | - O Mineev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S Mine
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - A Missert
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Miura
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - L Monfregola
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - S Moriyama
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Th A Mueller
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - A Murakami
- Kyoto University, Department of Physics, Kyoto, Japan
| | - M Murdoch
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - S Murphy
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - J Myslik
- University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada
| | - T Nagasaki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - T Nakadaira
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Nakahata
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Nakai
- Osaka City University, Department of Physics, Osaka, Japan
| | - K Nakamura
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - S Nakayama
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Nakaya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Kyoto University, Department of Physics, Kyoto, Japan
| | - K Nakayoshi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - D Naples
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - C Nielsen
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - M Nirkko
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - K Nishikawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Nishimura
- University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - H M O'Keeffe
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - R Ohta
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Okumura
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan
| | - T Okusawa
- Osaka City University, Department of Physics, Osaka, Japan
| | - W Oryszczak
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | - S M Oser
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - R A Owen
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - Y Oyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - V Palladino
- INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy
| | - V Paolone
- University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA
| | - D Payne
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - G F Pearce
- STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - O Perevozchikov
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - J D Perkin
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - Y Petrov
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - L J Pickard
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - E S Pinzon Guerra
- York University, Department of Physics and Astronomy, Toronto, Ontario, Canada
| | - C Pistillo
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - P Plonski
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - E Poplawska
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - B Popov
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - M Posiadala
- University of Warsaw, Faculty of Physics, Warsaw, Poland
| | | | | | - P Przewlocki
- National Centre for Nuclear Research, Warsaw, Poland
| | - B Quilain
- Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France
| | - E Radicioni
- INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy
| | - P N Ratoff
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - M Ravonel
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - M A M Rayner
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - A Redij
- University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland
| | - M Reeves
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - E Reinherz-Aronis
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - F Retiere
- TRIUMF, Vancouver, British Columbia, Canada
| | - A Robert
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - P A Rodrigues
- University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA
| | - P Rojas
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - E Rondio
- National Centre for Nuclear Research, Warsaw, Poland
| | - S Roth
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - A Rubbia
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - D Ruterbories
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - R Sacco
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - K Sakashita
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - F Sánchez
- Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain
| | - F Sato
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - E Scantamburlo
- University of Geneva, Section de Physique, DPNC, Geneva, Switzerland
| | - K Scholberg
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - J Schwehr
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - M Scott
- TRIUMF, Vancouver, British Columbia, Canada
| | - Y Seiya
- Osaka City University, Department of Physics, Osaka, Japan
| | - T Sekiguchi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - H Sekiya
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - D Sgalaberna
- ETH Zurich, Institute for Particle Physics, Zurich, Switzerland
| | - M Shiozawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - S Short
- Imperial College London, Department of Physics, London, United Kingdom
| | - Y Shustrov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - P Sinclair
- Imperial College London, Department of Physics, London, United Kingdom
| | - B Smith
- Imperial College London, Department of Physics, London, United Kingdom
| | - R J Smith
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - M Smy
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA
| | - J T Sobczyk
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
| | - H Sobel
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - M Sorel
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - L Southwell
- Lancaster University, Physics Department, Lancaster, United Kingdom
| | - P Stamoulis
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - J Steinmann
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - B Still
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - Y Suda
- University of Tokyo, Department of Physics, Tokyo, Japan
| | | | - K Suzuki
- Kyoto University, Department of Physics, Kyoto, Japan
| | - S Y Suzuki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Y Suzuki
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - T Szeglowski
- University of Silesia, Institute of Physics, Katowice, Poland
| | - R Tacik
- University of Regina, Department of Physics, Regina, Saskatchewan, Canada and TRIUMF, Vancouver, British Columbia, Canada
| | - M Tada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - S Takahashi
- Kyoto University, Department of Physics, Kyoto, Japan
| | - A Takeda
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Takeuchi
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan and Kobe University, Kobe, Japan
| | - H K Tanaka
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - H A Tanaka
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - M M Tanaka
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - D Terhorst
- RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany
| | - R Terri
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - L F Thompson
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - A Thorley
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - S Tobayama
- University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada
| | - W Toki
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - T Tomura
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - Y Totsuka
- University of Alberta, Centre for Particle Physics, Department of Physics, Edmonton, Alberta, Canada and University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland and Boston University, Department of Physics, Boston, Massachusetts, USA and University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada and University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA and IRFU, CEA Saclay, Gif-sur-Yvette, France and University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA and Colorado State University, Department of Physics, Fort Collins, Colorado, USA and Duke University, Department of Physics, Durham, North Carolina, USA and Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France and ETH Zurich, Institute for Particle Physics, Zurich, Switzerland and University of Geneva, Section de Physique, DPNC, Geneva, Switzerland and H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland and High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan and Institut de Fisica d'Altes Energies (IFAE), Bellaterra (Barcelona), Spain and IFIC (CSIC and University of Valencia), Valencia, Spain and Imperial College London, Department of Physics, London, United Kingdom and INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy and INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy and INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy and INFN Sezione di Roma and Università di Roma "La Sapienza", Roma, Italy and Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Ch
| | - C Touramanis
- University of Liverpool, Department of Physics, Liverpool, United Kingdom
| | - T Tsukamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - M Tzanov
- Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA
| | - Y Uchida
- Imperial College London, Department of Physics, London, United Kingdom
| | - K Ueno
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - A Vacheret
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - M Vagins
- University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA and Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan
| | - G Vasseur
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - T Wachala
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - A V Waldron
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - C W Walter
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - D Wark
- Imperial College London, Department of Physics, London, United Kingdom and STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - M O Wascko
- Imperial College London, Department of Physics, London, United Kingdom
| | - A Weber
- Oxford University, Department of Physics, Oxford, United Kingdom and STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom
| | - R Wendell
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
| | - R J Wilkes
- University of Washington, Department of Physics, Seattle, Washington, USA
| | | | - C Wilkinson
- University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom
| | - Z Williamson
- Oxford University, Department of Physics, Oxford, United Kingdom
| | - J R Wilson
- Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom
| | - R J Wilson
- Colorado State University, Department of Physics, Fort Collins, Colorado, USA
| | - T Wongjirad
- Duke University, Department of Physics, Durham, North Carolina, USA
| | - Y Yamada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - K Yamamoto
- Osaka City University, Department of Physics, Osaka, Japan
| | - C Yanagisawa
- State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA
| | - S Yen
- TRIUMF, Vancouver, British Columbia, Canada
| | - N Yershov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M Yokoyama
- University of Tokyo, Department of Physics, Tokyo, Japan
| | - T Yuan
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - A Zalewska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J Zalipska
- National Centre for Nuclear Research, Warsaw, Poland
| | - L Zambelli
- UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France
| | - K Zaremba
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - M Ziembicki
- Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland
| | - E D Zimmerman
- University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA
| | - M Zito
- IRFU, CEA Saclay, Gif-sur-Yvette, France
| | - J Zmuda
- Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland
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Abe K, Adam J, Aihara H, Akiri T, Andreopoulos C, Aoki S, Ariga A, Ariga T, Assylbekov S, Autiero D, Barbi M, Barker GJ, Barr G, Bass M, Batkiewicz M, Bay F, Bentham SW, Berardi V, Berger BE, Berkman S, Bertram I, Bhadra S, Blaszczyk FDM, Blondel A, Bojechko C, Bordoni S, Boyd SB, Brailsford D, Bravar A, Bronner C, Buchanan N, Calland RG, Caravaca Rodríguez J, Cartwright SL, Castillo R, Catanesi MG, Cervera A, Cherdack D, Christodoulou G, Clifton A, Coleman J, Coleman SJ, Collazuol G, Connolly K, Cremonesi L, Curioni A, Dabrowska A, Danko I, Das R, Davis S, de Perio P, De Rosa G, Dealtry T, Dennis SR, Densham C, Di Lodovico F, Di Luise S, Drapier O, Duboyski T, Duffy K, Dufour F, Dumarchez J, Dytman S, Dziewiecki M, Emery S, Ereditato A, Escudero L, Finch AJ, Frank E, Friend M, Fujii Y, Fukuda Y, Furmanski AP, Galymov V, Gaudin A, Giffin S, Giganti C, Gilje K, Golan T, Gomez-Cadenas JJ, Gonin M, Grant N, Gudin D, Hadley DR, Haesler A, Haigh MD, Hamilton P, Hansen D, Hara T, Hartz M, Hasegawa T, Hastings NC, Hayato Y, Hearty C, Helmer RL, Hierholzer M, Hignight J, Hillairet A, Himmel A, Hiraki T, Hirota S, Holeczek J, Horikawa S, Huang K, Ichikawa AK, Ieki K, Ieva M, Ikeda M, Imber J, Insler J, Irvine TJ, Ishida T, Ishii T, Ives SJ, Iyogi K, Izmaylov A, Jacob A, Jamieson B, Johnson RA, Jo JH, Jonsson P, Joo KK, Jung CK, Kaboth AC, Kajita T, Kakuno H, Kameda J, Kanazawa Y, Karlen D, Karpikov I, Kearns E, Khabibullin M, Khotjantsev A, Kielczewska D, Kikawa T, Kilinski A, Kim J, Kim SB, Kisiel J, Kitching P, Kobayashi T, Kogan G, Kolaceke A, Konaka A, Kormos LL, Korzenev A, Koseki K, Koshio Y, Kreslo I, Kropp W, Kubo H, Kudenko Y, Kumaratunga S, Kurjata R, Kutter T, Lagoda J, Laihem K, Laveder M, Lawe M, Lazos M, Lee KP, Licciardi C, Lim IT, Lindner T, Lister C, Litchfield RP, Longhin A, Lopez GD, Ludovici L, Macaire M, Magaletti L, Mahn K, Malek M, Manly S, Marino AD, Marteau J, Martin JF, Maruyama T, Marzec J, Masliah P, Mathie EL, Matveev V, Mavrokoridis K, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Metelko C, Mijakowski P, Miller CA, Minamino A, Mineev O, Mine S, Missert A, Miura M, Monfregola L, Moriyama S, Mueller TA, Murakami A, Murdoch M, Murphy S, Myslik J, Nagasaki T, Nakadaira T, Nakahata M, Nakai T, Nakamura K, Nakayama S, Nakaya T, Nakayoshi K, Naples D, Nielsen C, Nirkko M, Nishikawa K, Nishimura Y, O'Keeffe HM, Ohta R, Okumura K, Okusawa T, Oryszczak W, Oser SM, Otani M, Owen RA, Oyama Y, Pac MY, Palladino V, Paolone V, Payne D, Pearce GF, Perevozchikov O, Perkin JD, Petrov Y, Pinzon Guerra ES, Pistillo C, Plonski P, Poplawska E, Popov B, Posiadala M, Poutissou JM, Poutissou R, Przewlocki P, Quilain B, Radicioni E, Ratoff PN, Ravonel M, Rayner MAM, Redij A, Reeves M, Reinherz-Aronis E, Retiere F, Robert A, Rodrigues PA, Rondio E, Roth S, Rubbia A, Ruterbories D, Sacco R, Sakashita K, Sánchez F, Sato F, Scantamburlo E, Scholberg K, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shiozawa M, Short S, Shustrov Y, Sinclair P, Smith B, Smith RJ, Smy M, Sobczyk JT, Sobel H, Sorel M, Southwell L, Stamoulis P, Steinmann J, Still B, Suda Y, Suzuki A, Suzuki K, Suzuki SY, Suzuki Y, Szeglowski T, Tacik R, Tada M, Takahashi S, Takeda A, Takeuchi Y, Tanaka HK, Tanaka HA, Tanaka MM, Taylor IJ, Terhorst D, Terri R, Thompson LF, Thorley A, Tobayama S, Toki W, Tomura T, Totsuka Y, Touramanis C, Tsukamoto T, Tzanov M, Uchida Y, Ueno K, Vacheret A, Vagins M, Vasseur G, Wachala T, Waldron AV, Walter CW, Wark D, Wascko MO, Weber A, Wendell R, Wilkes RJ, Wilking MJ, Wilkinson C, Williamson Z, Wilson JR, Wilson RJ, Wongjirad T, Yamada Y, Yamamoto K, Yanagisawa C, Yen S, Yershov N, Yokoyama M, Yuan T, Zalewska A, Zalipska J, Zambelli L, Zaremba K, Ziembicki M, Zimmerman ED, Zito M, Zmuda J. Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam. Phys Rev Lett 2013; 111:211803. [PMID: 24313479 DOI: 10.1103/physrevlett.111.211803] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 10/09/2013] [Indexed: 06/02/2023]
Abstract
The T2K Collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near detector measurements are used to constrain the neutrino flux and cross section parameters. The Super-Kamiokande far detector, which is 295 km downstream of the neutrino production target, collected data corresponding to 3.01×10(20) protons on target. In the absence of neutrino oscillations, 205±17 (syst) events are expected to be detected while only 58 muon neutrino event candidates are observed. A fit to the neutrino rate and energy spectrum, assuming three neutrino flavors and normal mass hierarchy yields a best-fit mixing angle sin2(θ23)=0.514±0.082 and mass splitting |Δm(32)(2)|=2.44(-0.15)(+0.17)×10(-3) eV2/c4. Our result corresponds to the maximal oscillation disappearance probability.
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Affiliation(s)
- K Abe
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Kirkby D, Lankford AJ, Mandelkern M, Dey B, Gary JW, Long O, Vitug GM, Campagnari C, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Martinez AJ, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Ongmongkolkul P, Porter FC, Andreassen R, Fabby C, Huard Z, Meadows BT, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Schubert KR, Schwierz R, Bernard D, Verderi M, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Piemontese L, Santoro V, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Morii M, Adametz A, Uwer U, Lacker HM, Dauncey PD, Mallik U, Chen C, Cochran J, Meyer WT, Prell S, Rubin AE, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Bougher J, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Prencipe E, Barlow RJ, Lafferty GD, Behn E, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Dujmic D, Sciolla G, Cheaib R, Patel PM, Robertson SH, Biassoni P, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers DJ, Nguyen X, Simard M, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Brau J, Frey R, Sinev NB, Strom D, Torrence E, Feltresi E, Margoni M, Morandin M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Leruste P, Marchiori G, Ocariz J, Sitt S, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Piredda G, Bünger C, Grünberg O, Hartmann T, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèche C, Anulli F, Aston D, Bard DJ, Benitez JF, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Gabareen AM, Graham MT, Hast C, Innes WR, Kim P, Kocian ML, Leith DWGS, Lewis P, Lindemann D, Lindquist B, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Nelson S, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wagner AP, Wang WF, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Ziegler V, Park W, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Miyashita TS, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Ruland AM, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Zambito S, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Villanueva-Perez P, Ahmed H, Albert J, Banerjee S, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Measurement of the D*(2010)+ meson width and the D*(2010)+ - D0 mass difference. Phys Rev Lett 2013; 111:111801. [PMID: 24074072 DOI: 10.1103/physrevlett.111.111801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Indexed: 06/02/2023]
Abstract
We measure the mass difference Δm0 between the D*(2010)+ and the D0 and the natural linewidth Γ of the transition D*(2010)+ → D0π+. The data were recorded with the BABAR detector at center-of-mass energies at and near the Υ(4S) resonance, and correspond to an integrated luminosity of approximately 477 fb(-1). The D0 is reconstructed in the decay modes D0 → K- π+ and D0 → K- π+ π- π+. For the decay mode D0 → K- π+ we obtain Γ = (83.4±1.7±1.5) keV and Δm0 = (145425.6±0.6±1.7) keV, [corrected] where the quoted errors are statistical and systematic, respectively. For the D0 → K- π+ π- π+ mode we obtain Γ = (83.2±1.5±2.6) keV and Δm0 = (145426.6±0.5±1.9) keV. [corrected] The combined measurements yield Γ = (83.3±1.2±1.4) keV and Δm0 = (145425.9±0.4±1.7) keV; the width is a factor of approximately 12 times more precise than the previous value, while the mass difference is a factor of approximately 6 times more precise.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
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Lees JP, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lee MJ, Lynch G, Koch H, Schroeder T, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Kirkby D, Lankford AJ, Mandelkern M, Dey B, Gary JW, Long O, Vitug GM, Campagnari C, Franco Sevilla M, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Lockman WS, Martinez AJ, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Ongmongkolkul P, Porter FC, Andreassen R, Huard Z, Meadows BT, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Schubert KR, Schwierz R, Bernard D, Verderi M, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Piemontese L, Santoro V, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Martellotti S, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Morii M, Adametz A, Uwer U, Lacker HM, Dauncey PD, Mallik U, Chen C, Cochran J, Meyer WT, Prell S, Rubin AE, Gritsan AV, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange DJ, Wright DM, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Cowan G, Bougher J, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Prencipe E, Barlow RJ, Lafferty GD, Behn E, Cenci R, Hamilton B, Jawahery A, Roberts DA, Cowan R, Dujmic D, Sciolla G, Cheaib R, Patel PM, Robertson SH, Biassoni P, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers DJ, Nguyen X, Simard M, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, LoSecco JM, Honscheid K, Kass R, Brau J, Frey R, Sinev NB, Strom D, Torrence E, Feltresi E, Margoni M, Morandin M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Leruste P, Marchiori G, Ocariz J, Sitt S, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Piredda G, Bünger C, Grünberg O, Hartmann T, Leddig T, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèche C, Anulli F, Aston D, Bard DJ, Benitez JF, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Fulsom BG, Gabareen AM, Graham MT, Hast C, Innes WR, Kim P, Kocian ML, Leith DWGS, Lewis P, Lindemann D, Lindquist B, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Nelson S, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wagner AP, Wang WF, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Ziegler V, Park W, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Miyashita TS, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Spanier SM, Ritchie JL, Ruland AM, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, De Mori F, Filippi A, Gamba D, Zambito S, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Villanueva-Perez P, Ahmed H, Albert J, Banerjee S, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Lueck T, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Search for CP violation in B0-B0 mixing using partial reconstruction of B0→D*- Xℓ+ νℓ and a kaon tag. Phys Rev Lett 2013; 111:101802. [PMID: 25166652 DOI: 10.1103/physrevlett.111.101802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Indexed: 06/03/2023]
Abstract
We present results of a search for CP violation in B0- B0 mixing with the BABAR detector. We select a sample of B0→D*- Xℓ+ ν decays with a partial reconstruction method and use kaon tagging to assess the flavor of the other B meson in the event. We determine the CP violating asymmetry ACP≡[N(B0B0)-N(B0B0)]/[N(B0B0)+N(B0B0)]=(0.06±0.17(-0.32)(+0.38))%, corresponding to ΔCP=1-|q/p|=(0.29±0.84(-1.61)(+1.88))×10(-3).
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Poireau
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - V Tisserand
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
| | - E Grauges
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona, Spain
| | - A Palano
- INFN Sezione di Bari, I-70126 Bari, Italy and Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy
| | - G Eigen
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - B Stugu
- University of Bergen, Institute of Physics, N-5007 Bergen, Norway
| | - D N Brown
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - L T Kerth
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - M J Lee
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - G Lynch
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
| | - H Koch
- Institut für Experimentalphysik 1, Ruhr Universität Bochum, D-44780 Bochum, Germany
| | - T Schroeder
- Institut für Experimentalphysik 1, Ruhr Universität Bochum, D-44780 Bochum, Germany
| | - C Hearty
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - T S Mattison
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - J A McKenna
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - R Y So
- University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
| | - A Khan
- Brunel University, Uxbridge, Middlesex UB8 3PH, United Kingdom
| | - V E Blinov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - A R Buzykaev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - V P Druzhinin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - V B Golubev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - E A Kravchenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - A P Onuchin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State Technical University, Novosibirsk 630092, Russia
| | - S I Serednyakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - Yu I Skovpen
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - E P Solodov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - K Yu Todyshev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia and Novosibirsk State University, Novosibirsk 630090, Russia
| | - A N Yushkov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
| | - D Kirkby
- University of California at Irvine, Irvine, California 92697, USA
| | - A J Lankford
- University of California at Irvine, Irvine, California 92697, USA
| | - M Mandelkern
- University of California at Irvine, Irvine, California 92697, USA
| | - B Dey
- University of California at Riverside, Riverside, California 92521, USA
| | - J W Gary
- University of California at Riverside, Riverside, California 92521, USA
| | - O Long
- University of California at Riverside, Riverside, California 92521, USA
| | - G M Vitug
- University of California at Riverside, Riverside, California 92521, USA
| | - C Campagnari
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - M Franco Sevilla
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - T M Hong
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - D Kovalskyi
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - J D Richman
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - C A West
- University of California at Santa Barbara, Santa Barbara, California 93106, USA
| | - A M Eisner
- Institute for Particle Physics, Santa Cruz, University of California at Santa Cruz, California 95064, USA
| | - W S Lockman
- Institute for Particle Physics, Santa Cruz, University of California at Santa Cruz, California 95064, USA
| | - A J Martinez
- Institute for Particle Physics, Santa Cruz, University of California at Santa Cruz, California 95064, USA
| | - B A Schumm
- Institute for Particle Physics, Santa Cruz, University of California at Santa Cruz, California 95064, USA
| | - A Seiden
- Institute for Particle Physics, Santa Cruz, University of California at Santa Cruz, California 95064, USA
| | - D S Chao
- California Institute of Technology, Pasadena, California 91125, USA
| | - C H Cheng
- California Institute of Technology, Pasadena, California 91125, USA
| | - B Echenard
- California Institute of Technology, Pasadena, California 91125, USA
| | - K T Flood
- California Institute of Technology, Pasadena, California 91125, USA
| | - D G Hitlin
- California Institute of Technology, Pasadena, California 91125, USA
| | - P Ongmongkolkul
- California Institute of Technology, Pasadena, California 91125, USA
| | - F C Porter
- California Institute of Technology, Pasadena, California 91125, USA
| | - R Andreassen
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - Z Huard
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - B T Meadows
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - M D Sokoloff
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - L Sun
- University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - P C Bloom
- University of Colorado, Boulder, Colorado 80309, USA
| | - W T Ford
- University of Colorado, Boulder, Colorado 80309, USA
| | - A Gaz
- University of Colorado, Boulder, Colorado 80309, USA
| | - U Nauenberg
- University of Colorado, Boulder, Colorado 80309, USA
| | - J G Smith
- University of Colorado, Boulder, Colorado 80309, USA
| | - S R Wagner
- University of Colorado, Boulder, Colorado 80309, USA
| | - R Ayad
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - W H Toki
- Colorado State University, Fort Collins, Colorado 80523, USA
| | - B Spaan
- Technische Universität Dortmund, Fakultät Physik, D-44221 Dortmund, Germany
| | - K R Schubert
- Technische Universität Dresden, Institut für Kern- und Teilchenphysik, D-01062 Dresden, Germany
| | - R Schwierz
- Technische Universität Dresden, Institut für Kern- und Teilchenphysik, D-01062 Dresden, Germany
| | - D Bernard
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - M Verderi
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France
| | - S Playfer
- University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - D Bettoni
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - C Bozzi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | - R Calabrese
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - G Cibinetto
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Fioravanti
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - I Garzia
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | - E Luppi
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy
| | | | - V Santoro
- INFN Sezione di Ferrara, I-44122 Ferrara, Italy
| | | | - A Calcaterra
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R de Sangro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - G Finocchiaro
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - S Martellotti
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - P Patteri
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - I M Peruzzi
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Piccolo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - M Rama
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - A Zallo
- INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy
| | - R Contri
- INFN Sezione di Genova, I-16146 Genova, Italy and Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - E Guido
- INFN Sezione di Genova, I-16146 Genova, Italy and Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M Lo Vetere
- INFN Sezione di Genova, I-16146 Genova, Italy and Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - M R Monge
- INFN Sezione di Genova, I-16146 Genova, Italy and Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - S Passaggio
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - C Patrignani
- INFN Sezione di Genova, I-16146 Genova, Italy and Dipartimento di Fisica, Università di Genova, I-16146 Genova, Italy
| | - E Robutti
- INFN Sezione di Genova, I-16146 Genova, Italy
| | - B Bhuyan
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - V Prasad
- Indian Institute of Technology Guwahati, Guwahati, Assam 781 039, India
| | - M Morii
- Harvard University, Cambridge, Massachusetts 02138, USA
| | - A Adametz
- Physikalisches Institut, Universität Heidelberg, D-69120 Heidelberg, Germany
| | - U Uwer
- Physikalisches Institut, Universität Heidelberg, D-69120 Heidelberg, Germany
| | - H M Lacker
- Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
| | - P D Dauncey
- Imperial College London, London SW7 2AZ, United Kingdom
| | - U Mallik
- University of Iowa, Iowa City, Iowa 52242, USA
| | - C Chen
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - J Cochran
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - W T Meyer
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - S Prell
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - A E Rubin
- Iowa State University, Ames, Iowa 50011-3160, USA
| | - A V Gritsan
- Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - N Arnaud
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - M Davier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D Derkach
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Grosdidier
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - F Le Diberder
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A M Lutz
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - B Malaescu
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - P Roudeau
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - A Stocchi
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - G Wormser
- Laboratoire de l'Accélérateur Linéaire, IN2P3/CNRS et Université Paris-Sud 11, Centre Scientifique d'Orsay, F-91898 Orsay Cedex, France
| | - D J Lange
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D M Wright
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J P Coleman
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - J R Fry
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - E Gabathuler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D E Hutchcroft
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - D J Payne
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - C Touramanis
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - A J Bevan
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - F Di Lodovico
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - R Sacco
- Queen Mary, University of London, London, E1 4NS, United Kingdom
| | - G Cowan
- University of London, Royal Holloway and Bedford New College, Egham, Surrey TW20 0EX, United Kingdom
| | - J Bougher
- University of Louisville, Louisville, Kentucky 40292, USA
| | - D N Brown
- University of Louisville, Louisville, Kentucky 40292, USA
| | - C L Davis
- University of Louisville, Louisville, Kentucky 40292, USA
| | - A G Denig
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - M Fritsch
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - W Gradl
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - K Griessinger
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - A Hafner
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - E Prencipe
- Johannes Gutenberg-Universität Mainz, Institut für Kernphysik, D-55099 Mainz, Germany
| | - R J Barlow
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Lafferty
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - E Behn
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cenci
- University of Maryland, College Park, Maryland 20742, USA
| | - B Hamilton
- University of Maryland, College Park, Maryland 20742, USA
| | - A Jawahery
- University of Maryland, College Park, Maryland 20742, USA
| | - D A Roberts
- University of Maryland, College Park, Maryland 20742, USA
| | - R Cowan
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - D Dujmic
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - G Sciolla
- Massachusetts Institute of Technology, Laboratory for Nuclear Science, Cambridge, Massachusetts 02139, USA
| | - R Cheaib
- McGill University, Montréal, Québec, Canada H3A 2T8
| | - P M Patel
- McGill University, Montréal, Québec, Canada H3A 2T8
| | | | - P Biassoni
- INFN Sezione di Milano, I-20133 Milano, Italy and Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - N Neri
- INFN Sezione di Milano, I-20133 Milano, Italy
| | - F Palombo
- INFN Sezione di Milano, I-20133 Milano, Italy and Dipartimento di Fisica, Università di Milano, I-20133 Milano, Italy
| | - L Cremaldi
- University of Mississippi, University, Mississippi 38677, USA
| | - R Godang
- University of Mississippi, University, Mississippi 38677, USA
| | - P Sonnek
- University of Mississippi, University, Mississippi 38677, USA
| | - D J Summers
- University of Mississippi, University, Mississippi 38677, USA
| | - X Nguyen
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - M Simard
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - P Taras
- Université de Montréal, Physique des Particules, Montréal, Québec, Canada H3C 3J7
| | - G De Nardo
- INFN Sezione di Napoli, I-80126 Napoli, Italy and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - D Monorchio
- INFN Sezione di Napoli, I-80126 Napoli, Italy and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - G Onorato
- INFN Sezione di Napoli, I-80126 Napoli, Italy and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - C Sciacca
- INFN Sezione di Napoli, I-80126 Napoli, Italy and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, I-80126 Napoli, Italy
| | - M Martinelli
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, The Netherlands
| | - G Raven
- NIKHEF, National Institute for Nuclear Physics and High Energy Physics, NL-1009 DB Amsterdam, The Netherlands
| | - C P Jessop
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J M LoSecco
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Honscheid
- Ohio State University, Columbus, Ohio 43210, USA
| | - R Kass
- Ohio State University, Columbus, Ohio 43210, USA
| | - J Brau
- University of Oregon, Eugene, Oregon 97403, USA
| | - R Frey
- University of Oregon, Eugene, Oregon 97403, USA
| | - N B Sinev
- University of Oregon, Eugene, Oregon 97403, USA
| | - D Strom
- University of Oregon, Eugene, Oregon 97403, USA
| | - E Torrence
- University of Oregon, Eugene, Oregon 97403, USA
| | - E Feltresi
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Margoni
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - M Morandin
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Posocco
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - M Rotondo
- INFN Sezione di Padova, I-35131 Padova, Italy
| | - G Simi
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - F Simonetto
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - R Stroili
- INFN Sezione di Padova, I-35131 Padova, Italy and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy
| | - S Akar
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - E Ben-Haim
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Bomben
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G R Bonneaud
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - H Briand
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Calderini
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Chauveau
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - Ph Leruste
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - G Marchiori
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - J Ocariz
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - S Sitt
- Laboratoire de Physique Nucléaire et de Hautes Energies, IN2P3/CNRS, Université Pierre et Marie Curie-Paris6, Université Denis Diderot-Paris7, F-75252 Paris, France
| | - M Biasini
- INFN Sezione di Perugia, I-06123 Perugia, Italy and Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - E Manoni
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - S Pacetti
- INFN Sezione di Perugia, I-06123 Perugia, Italy and Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - A Rossi
- INFN Sezione di Perugia, I-06123 Perugia, Italy
| | - C Angelini
- INFN Sezione di Perugia, I-06123 Perugia, Italy and Dipartimento di Fisica, Università di Perugia, I-06123 Perugia, Italy
| | - G Batignani
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - S Bettarini
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M Carpinelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - G Casarosa
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Cervelli
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - F Forti
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - M A Giorgi
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Lusiani
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Scuola Normale Superiore di Pisa, I-56127 Pisa, Italy
| | - B Oberhof
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - E Paoloni
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - A Perez
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - G Rizzo
- INFN Sezione di Pisa, I-56127 Pisa, Italy and Dipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy
| | - J J Walsh
- INFN Sezione di Pisa, I-56127 Pisa, Italy
| | - D Lopes Pegna
- Princeton University, Princeton, New Jersey 08544, USA
| | - J Olsen
- Princeton University, Princeton, New Jersey 08544, USA
| | - A J S Smith
- Princeton University, Princeton, New Jersey 08544, USA
| | - R Faccini
- INFN Sezione di Roma, I-00185 Roma, Italy and Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | | | - F Ferroni
- INFN Sezione di Roma, I-00185 Roma, Italy and Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - M Gaspero
- INFN Sezione di Roma, I-00185 Roma, Italy and Dipartimento di Fisica, Università di Roma La Sapienza, I-00185 Roma, Italy
| | - L Li Gioi
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - G Piredda
- INFN Sezione di Roma, I-00185 Roma, Italy
| | - C Bünger
- Universität Rostock, D-18051 Rostock, Germany
| | - O Grünberg
- Universität Rostock, D-18051 Rostock, Germany
| | - T Hartmann
- Universität Rostock, D-18051 Rostock, Germany
| | - T Leddig
- Universität Rostock, D-18051 Rostock, Germany
| | - C Voß
- Universität Rostock, D-18051 Rostock, Germany
| | - R Waldi
- Universität Rostock, D-18051 Rostock, Germany
| | - T Adye
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - E O Olaiya
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - F F Wilson
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
| | - S Emery
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | | | - G Vasseur
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - Ch Yèche
- CEA, Irfu, SPP, Centre de Saclay, F-91191 Gif-sur-Yvette, France
| | - F Anulli
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D Aston
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D J Bard
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J F Benitez
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M R Convery
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Dorfan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | | | - W Dunwoodie
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Ebert
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R C Field
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B G Fulsom
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A M Gabareen
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M T Graham
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W R Innes
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - P Kim
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M L Kocian
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D W G S Leith
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - P Lewis
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D Lindemann
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B Lindquist
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - V Luth
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H L Lynch
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D R Muller
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H Neal
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - S Nelson
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Perl
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - T Pulliam
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Roodman
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A A Salnikov
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - R H Schindler
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A Snyder
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D Su
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M K Sullivan
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - J Va'vra
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - A P Wagner
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W F Wang
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - M Wittgen
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - D H Wright
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - H W Wulsin
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - V Ziegler
- SLAC National Accelerator Laboratory, Stanford, California 94309, USA
| | - W Park
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - M V Purohit
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - R M White
- University of South Carolina, Columbia, South Carolina 29208, USA
| | - J R Wilson
- University of South Carolina, Columbia, South Carolina 29208, USA
| | | | - S J Sekula
- Southern Methodist University, Dallas, Texas 75275, USA
| | - M Bellis
- Stanford University, Stanford, California 94305-4060, USA
| | - P R Burchat
- Stanford University, Stanford, California 94305-4060, USA
| | - T S Miyashita
- Stanford University, Stanford, California 94305-4060, USA
| | - E M T Puccio
- Stanford University, Stanford, California 94305-4060, USA
| | - M S Alam
- State University of New York, Albany, New York 12222, USA
| | - J A Ernst
- State University of New York, Albany, New York 12222, USA
| | - R Gorodeisky
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - N Guttman
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - D R Peimer
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - A Soffer
- School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
| | - S M Spanier
- University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J L Ritchie
- University of Texas at Austin, Austin, Texas 78712, USA
| | - A M Ruland
- University of Texas at Austin, Austin, Texas 78712, USA
| | | | - B C Wray
- University of Texas at Austin, Austin, Texas 78712, USA
| | - J M Izen
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - X C Lou
- University of Texas at Dallas, Richardson, Texas 75083, USA
| | - F Bianchi
- INFN Sezione di Torino, I-10125 Torino, Italy and Dipartimento di Fisica Sperimentale, Università di Torino, I-10125 Torino, Italy
| | - F De Mori
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - A Filippi
- INFN Sezione di Torino, I-10125 Torino, Italy
| | - D Gamba
- INFN Sezione di Torino, I-10125 Torino, Italy and Dipartimento di Fisica Sperimentale, Università di Torino, I-10125 Torino, Italy
| | - S Zambito
- INFN Sezione di Torino, I-10125 Torino, Italy and Dipartimento di Fisica Sperimentale, Università di Torino, I-10125 Torino, Italy
| | - L Lanceri
- INFN Sezione di Trieste, I-34127 Trieste, Italy and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - L Vitale
- INFN Sezione di Trieste, I-34127 Trieste, Italy and Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | | | - A Oyanguren
- IFIC, Universitat de Valencia-CSIC, E-46071 Valencia, Spain
| | | | - H Ahmed
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J Albert
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - Sw Banerjee
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - F U Bernlochner
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - H H F Choi
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - G J King
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R Kowalewski
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - M J Lewczuk
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T Lueck
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - I M Nugent
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - J M Roney
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - R J Sobie
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - N Tasneem
- University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | - T J Gershon
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - P F Harrison
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T E Latham
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - H R Band
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S Dasu
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - Y Pan
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - R Prepost
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S L Wu
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Lees JP, Poireau V, Tisserand V, Garra Tico J, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lynch G, Koch H, Schroeder T, Asgeirsson DJ, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Bondioli M, Kirkby D, Lankford AJ, Mandelkern M, Atmacan H, Gary JW, Liu F, Long O, Vitug GM, Campagnari C, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Kroseberg J, Lockman WS, Martinez AJ, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Ongmongkolkul P, Porter FC, Rakitin AY, Andreassen R, Huard Z, Meadows BT, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Schubert KR, Schwierz R, Bernard D, Verderi M, Clark PJ, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Munerato M, Piemontese L, Santoro V, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Lee CL, Morii M, Edwards AJ, Adametz A, Uwer U, Lacker HM, Lueck T, Dauncey PD, Mallik U, Chen C, Cochran J, Meyer WT, Prell S, Rubin AE, Gritsan AV, Guo ZJ, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Schune MH, Stocchi A, Wormser G, Lange DJ, Wright DM, Chavez CA, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Sigamani M, Cowan G, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Prencipe E, Barlow RJ, Jackson G, Lafferty GD, Behn E, Cenci R, Hamilton B, Jawahery A, Roberts DA, Dallapiccola C, Cowan R, Dujmic D, Sciolla G, Cheaib R, Lindemann D, Patel PM, Robertson SH, Biassoni P, Neri N, Palombo F, Stracka S, Cremaldi L, Godang R, Kroeger R, Sonnek P, Summers DJ, Nguyen X, Simard M, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, Losecco JM, Wang WF, Honscheid K, Kass R, Brau J, Frey R, Sinev NB, Strom D, Torrence E, Feltresi E, Gagliardi N, Margoni M, Morandin M, Pompili A, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Hamon O, Leruste P, Marchiori G, Ocariz J, Sitt S, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Telnov AV, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Mazzoni MA, Piredda G, Bünger C, Grünberg O, Hartmann T, Leddig T, Schröder H, Voss C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèche C, Aston D, Bard DJ, Bartoldus R, Benitez JF, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Franco Sevilla M, Fulsom BG, Gabareen AM, Graham MT, Grenier P, Hast C, Innes WR, Kelsey MH, Kim P, Kocian ML, Leith DWGS, Lewis P, Lindquist B, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Nelson S, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wagner AP, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Young CC, Ziegler V, Park W, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Miyashita TS, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Lund P, Spanier SM, Ritchie JL, Ruland AM, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, Gamba D, Zambito S, Lanceri L, Vitale L, Bernabeu J, Martinez-Vidal F, Oyanguren A, Villanueva-Perez P, Ahmed H, Albert J, Banerjee S, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Observation of time-reversal violation in the B0 meson system. Phys Rev Lett 2012; 109:211801. [PMID: 23215586 DOI: 10.1103/physrevlett.109.211801] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2012] [Indexed: 06/01/2023]
Abstract
Although CP violation in the B meson system has been well established by the B factories, there has been no direct observation of time-reversal violation. The decays of entangled neutral B mesons into definite flavor states (B(0) or B(0)), and J/ψK(L)(0) or ccK(S)(0) final states (referred to as B(+) or B(-)), allow comparisons between the probabilities of four pairs of T-conjugated transitions, for example, B(0) → B(-) and B(-) → B(0), as a function of the time difference between the two B decays. Using 468 × 10(6) BB pairs produced in Υ(4S) decays collected by the BABAR detector at SLAC, we measure T-violating parameters in the time evolution of neutral B mesons, yielding ΔS(T)(+) = -1.37 ± 0.14(stat) ± 0.06(syst) and ΔS(T)(-) = 1.17 ± 0.18(stat) ± 0.11(syst). These nonzero results represent the first direct observation of T violation through the exchange of initial and final states in transitions that can only be connected by a T-symmetry transformation.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
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Lees JP, Poireau V, Tisserand V, Garra Tico J, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lynch G, Koch H, Schroeder T, Asgeirsson DJ, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Bondioli M, Kirkby D, Lankford AJ, Mandelkern M, Atmacan H, Gary JW, Liu F, Long O, Vitug GM, Campagnari C, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Kroseberg J, Lockman WS, Martinez AJ, Schumm BA, Seiden A, Winstrom L, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Ongmongkolkul P, Porter FC, Rakitin AY, Andreassen R, Huard Z, Meadows BT, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Schubert KR, Schwierz R, Bernard D, Verderi M, Clark PJ, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Munerato M, Piemontese L, Santoro V, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Lee CL, Morii M, Edwards AJ, Adametz A, Uwer U, Lacker HM, Lueck T, Dauncey PD, Mallik U, Chen C, Cochran J, Meyer WT, Prell S, Rubin AE, Gritsan AV, Guo ZJ, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Schune MH, Stocchi A, Wormser G, Lange DJ, Wright DM, Chavez CA, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Sigamani M, Cowan G, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Prencipe E, Barlow RJ, Jackson G, Lafferty GD, Behn E, Cenci R, Hamilton B, Jawahery A, Roberts DA, Dallapiccola C, Cowan R, Dujmic D, Sciolla G, Cheaib R, Lindemann D, Patel PM, Robertson SH, Biassoni P, Neri N, Palombo F, Stracka S, Cremaldi L, Godang R, Kroeger R, Sonnek P, Summers DJ, Nguyen X, Simard M, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, Knoepfel K, Losecco JM, Wang WF, Honscheid K, Kass R, Brau J, Frey R, Lu M, Sinev NB, Strom D, Torrence E, Feltresi E, Gagliardi N, Margoni M, Morandin M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Hamon O, Leruste P, Marchiori G, Ocariz J, Sitt S, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Telnov AV, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Mazzoni MA, Piredda G, Bünger C, Grünberg O, Hartmann T, Leddig T, Schröder H, Voss C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèche C, Aston D, Bard DJ, Bartoldus R, Bechtle P, Benitez JF, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Franco Sevilla M, Fulsom BG, Gabareen AM, Graham MT, Grenier P, Hast C, Innes WR, Kelsey MH, Kim P, Kocian ML, Leith DWGS, Lewis P, Lindquist B, Luitz S, Luth V, Lynch HL, Macfarlane DB, Muller DR, Neal H, Nelson S, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wagner AP, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Young CC, Ziegler V, Park W, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Miyashita TS, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Lund P, Spanier SM, Ritchie JL, Ruland AM, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, Gamba D, Zambito S, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Ahmed H, Albert J, Banerjee S, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Puccio EMT, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Precision measurement of the B → Xs γ photon energy spectrum, branching fraction, and direct CP asymmetry A(CP)((B → X(s+d)γ). Phys Rev Lett 2012; 109:191801. [PMID: 23215373 DOI: 10.1103/physrevlett.109.191801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Indexed: 06/01/2023]
Abstract
The photon spectrum in the inclusive electromagnetic radiative decays of the B meson, B → X(s)γ plus B → X(d)γ, is studied using a data sample of (382.8 ± 4.2) × 10(6)Υ(4S) → BB decays collected by the BABAR experiment at SLAC. The spectrum is used to extract the branching fraction B(B → X(s)γ) = (3.21 ± 0.33) × 10(-4) for E(γ) >1.8 GeV and the direct CP asymmetry A(CP) (B → X(s+d)γ) = 0.057 ± 0.063. The effects of detector resolution and Doppler smearing are unfolded to measure the photon energy spectrum in the B meson rest frame.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules, Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
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Lees JP, Poireau V, Tisserand V, Garra Tico J, Grauges E, Palano A, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lynch G, Koch H, Schroeder T, Asgeirsson DJ, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Bondioli M, Kirkby D, Lankford AJ, Mandelkern M, Atmacan H, Gary JW, Liu F, Long O, Vitug GM, Campagnari C, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Kroseberg J, Lockman WS, Martinez AJ, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Ongmongkolkul P, Porter FC, Rakitin AY, Andreassen R, Huard Z, Meadows BT, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Schubert KR, Schwierz R, Bernard D, Verderi M, Clark PJ, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Munerato M, Piemontese L, Santoro V, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Lee CL, Morii M, Edwards AJ, Adametz A, Uwer U, Lacker HM, Lueck T, Dauncey PD, Mallik U, Chen C, Cochran J, Meyer WT, Prell S, Rubin AE, Gritsan AV, Guo ZJ, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Schune MH, Stocchi A, Wormser G, Lange DJ, Wright DM, Chavez CA, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Sigamani M, Cowan G, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Griessinger K, Hafner A, Prencipe E, Barlow RJ, Jackson G, Lafferty GD, Behn E, Cenci R, Hamilton B, Jawahery A, Roberts DA, Dallapiccola C, Cowan R, Dujmic D, Sciolla G, Cheaib R, Lindemann D, Patel PM, Robertson SH, Biassoni P, Neri N, Palombo F, Stracka S, Cremaldi L, Godang R, Kroeger R, Sonnek P, Summers DJ, Nguyen X, Simard M, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, LoSecco JM, Wang WF, Honscheid K, Kass R, Brau J, Frey R, Sinev NB, Strom D, Torrence E, Feltresi E, Gagliardi N, Margoni M, Morandin M, Posocco M, Rotondo M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Hamon O, Leruste P, Marchiori G, Ocariz J, Sitt S, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Telnov AV, Anulli F, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Mazzoni MA, Piredda G, Bünger C, Grünberg O, Hartmann T, Leddig T, Schröder H, Voss C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèche C, Aston D, Bard DJ, Bartoldus R, Benitez JF, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Franco Sevilla M, Fulsom BG, Gabareen AM, Graham MT, Grenier P, Hast C, Innes WR, Kelsey MH, Kim P, Kocian ML, Leith DWGS, Lewis P, Lindquist B, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Nelson S, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wagner AP, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Young CC, Ziegler V, Park W, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Miyashita TS, Puccio EMT, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Lund P, Spanier SM, Ritchie JL, Ruland AM, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, Gamba D, Zambito S, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Ahmed H, Albert J, Banerjee S, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Evidence for an excess of B→D*τ(-)ν(τ) decays. Phys Rev Lett 2012; 109:101802. [PMID: 23005279 DOI: 10.1103/physrevlett.109.101802] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Indexed: 06/01/2023]
Abstract
Based on the full BABAR data sample, we report improved measurements of the ratios R(D(*))=B(B[over ¯]→D(*)τ(-)ν[over ¯](τ))/B(B[over ¯]→D(*)ℓ(ℓ)(-)ν[over ¯](ℓ)), where ℓ is either e or μ. These ratios are sensitive to new physics contributions in the form of a charged Higgs boson. We measure R(D)=0.440±0.058±0.042 and R(D(*))=0.332±0.024±0.018, which exceed the standard model expectations by 2.0σ and 2.7σ, respectively. Taken together, our results disagree with these expectations at the 3.4σ level. This excess cannot be explained by a charged Higgs boson in the type II two-Higgs-doublet model.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
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Perkins RJ, Hosea JC, Kramer GJ, Ahn JW, Bell RE, Diallo A, Gerhardt S, Gray TK, Green DL, Jaeger EF, Jaworski MA, LeBlanc BP, McLean A, Maingi R, Phillips CK, Roquemore L, Ryan PM, Sabbagh S, Taylor G, Wilson JR. High-harmonic fast-wave power flow along magnetic field lines in the scrape-off layer of NSTX. Phys Rev Lett 2012; 109:045001. [PMID: 23006093 DOI: 10.1103/physrevlett.109.045001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Indexed: 06/01/2023]
Abstract
A significant fraction of high-harmonic fast-wave (HHFW) power applied to NSTX can be lost to the scrape-off layer (SOL) and deposited in bright and hot spirals on the divertor rather than in the core plasma. We show that the HHFW power flows to these spirals along magnetic field lines passing through the SOL in front of the antenna, implying that the HHFW power couples across the entire width of the SOL rather than mostly at the antenna face. This result will help guide future efforts to understand and minimize these edge losses in order to maximize fast-wave heating and current drive.
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Affiliation(s)
- R J Perkins
- Princeton Plasma Physics Laboratory, Princeton, New Jersey, USA.
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Lees JP, Poireau V, Tisserand V, Garra Tico J, Grauges E, Milanes DA, Palano A, Pappagallo M, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lynch G, Koch H, Schroeder T, Asgeirsson DJ, Hearty C, Mattison TS, McKenna JA, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Bondioli M, Kirkby D, Lankford AJ, Mandelkern M, Atmacan H, Gary JW, Liu F, Long O, Vitug GM, Campagnari C, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Kroseberg J, Lockman WS, Martinez AJ, Schalk T, Schumm BA, Seiden A, Chao DS, Cheng CH, Doll DA, Echenard B, Flood KT, Hitlin DG, Ongmongkolkul P, Porter FC, Rakitin AY, Andreassen R, Huard Z, Meadows BT, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Nagel M, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Kobel MJ, Schubert KR, Schwierz R, Bernard D, Verderi M, Clark PJ, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Munerato M, Negrini M, Piemontese L, Santoro V, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Lee CL, Morii M, Edwards AJ, Adametz A, Marks J, Uwer U, Lacker HM, Lueck T, Dauncey PD, Behera PK, Mallik U, Chen C, Cochran J, Meyer WT, Prell S, Rubin AE, Gritsan AV, Guo ZJ, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Schune MH, Stocchi A, Wormser G, Lange DJ, Wright DM, Bingham I, Chavez CA, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Sigamani M, Cowan G, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Hafner A, Prencipe E, Bailey D, Barlow RJ, Jackson G, Lafferty GD, Behn E, Cenci R, Hamilton B, Jawahery A, Roberts DA, Simi G, Dallapiccola C, Cowan R, Dujmic D, Sciolla G, Cheaib R, Lindemann D, Patel PM, Robertson SH, Schram M, Biassoni P, Neri N, Palombo F, Stracka S, Cremaldi L, Godang R, Kroeger R, Sonnek P, Summers DJ, Nguyen X, Simard M, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop CP, Knoepfel KJ, Losecco JM, Wang WF, Honscheid K, Kass R, Brau J, Frey R, Sinev NB, Strom D, Torrence E, Feltresi E, Gagliardi N, Margoni M, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Hamon O, Leruste P, Marchiori G, Ocariz J, Sitt S, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Olsen J, Smith AJS, Telnov AV, Anulli F, Cavoto G, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Mazzoni MA, Piredda G, Bünger C, Grünberg O, Hartmann T, Leddig T, Schröder H, Voss C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèche C, Aston D, Bard DJ, Bartoldus R, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Ebert M, Field RC, Franco Sevilla M, Fulsom BG, Gabareen AM, Graham MT, Grenier P, Hast C, Innes WR, Kelsey MH, Kim P, Kocian ML, Leith DWGS, Lewis P, Lindquist B, Luitz S, Luth V, Lynch HL, Macfarlane DB, Muller DR, Neal H, Nelson S, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wagner AP, Weaver M, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Young CC, Ziegler V, Park W, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Benitez JF, Burchat PR, Miyashita TS, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Lund P, Spanier SM, Eckmann R, Ritchie JL, Ruland AM, Schilling CJ, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Ahmed H, Albert J, Banerjee S, Bernlochner FU, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Puccio EMT, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Search for low-mass dark-sector Higgs bosons. Phys Rev Lett 2012; 108:211801. [PMID: 23003239 DOI: 10.1103/physrevlett.108.211801] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Indexed: 06/01/2023]
Abstract
Recent astrophysical and terrestrial experiments have motivated the proposal of a dark sector with GeV-scale gauge boson force carriers and new Higgs bosons. We present a search for a dark Higgs boson using 516 fb(-1) of data collected with the BABAR detector. We do not observe a significant signal and we set 90% confidence level upper limits on the product of the standard model-dark-sector mixing angle and the dark-sector coupling constant.
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, Annecy-Le-Vieux, France
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Wilson JR, Singh A, Craven C, Verrier MC, Drew B, Ahn H, Ford M, Fehlings MG. Early versus late surgery for traumatic spinal cord injury: the results of a prospective Canadian cohort study. Spinal Cord 2012; 50:840-3. [DOI: 10.1038/sc.2012.59] [Citation(s) in RCA: 138] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Wilson JR, Fehlings MG. Management strategies to optimize clinical outcomes after acute traumatic spinal cord injury: integration of medical and surgical approaches. J Neurosurg Sci 2012; 56:1-11. [PMID: 22415378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Although spinal cord injury (SCI) is approximately one-tenth as common as traumatic brain injury, its effects, at both a personal and societal level, are particularly devastating. At present, there is no single therapy that has demonstrated a uniform ability to improve neurological outcomes for SCI patients at long-term follow-up. In spite of this, the last 30 years have borne witness to numerous incremental advances within the field of spinal trauma including the incorporation of standardized neurological assessment tools, the completion of several large therapeutic efficacy trials and the development of modern day surgical classification systems. In this article we review the current evidence surrounding the medical and surgical management of SCI, as well as identify areas where future research is needed.
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Affiliation(s)
- J R Wilson
- Division of Neurosurgery and Spinal Program, Department of Surgery, University of Toronto, Toronto Western Hospital, Toronto, ON, Canada
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Lees JP, Poireau V, Tisserand V, Garra Tico J, Grauges E, Martinelli M, Milanes DA, Palano A, Pappagallo M, Eigen G, Stugu B, Brown DN, Kerth LT, Kolomensky YG, Lynch G, Koch H, Schroeder T, Asgeirsson DJ, Hearty C, Mattison TS, McKenna JA, So RY, Khan A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Bondioli M, Kirkby D, Lankford AJ, Mandelkern M, Stoker DP, Atmacan H, Gary JW, Liu F, Long O, Vitug GM, Campagnari C, Hong TM, Kovalskyi D, Richman JD, West CA, Eisner AM, Kroseberg J, Lockman WS, Martinez AJ, Schalk T, Schumm BA, Seiden A, Cheng CH, Doll DA, Echenard B, Flood KT, Hitlin DG, Ongmongkolkul P, Porter FC, Rakitin AY, Andreassen R, Dubrovin MS, Huard Z, Meadows BT, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Nagel M, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, Kobel MJ, Schubert KR, Schwierz R, Bernard D, Verderi M, Clark PJ, Playfer S, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Fioravanti E, Garzia I, Luppi E, Munerato M, Negrini M, Piemontese L, Santoro V, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Nicolaci M, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Lee CL, Morii M, Edwards AJ, Adametz A, Marks J, Uwer U, Bernlochner FU, Ebert M, Lacker HM, Lueck T, Dauncey PD, Tibbetts M, Behera PK, Mallik U, Chen C, Cochran J, Meyer WT, Prell S, Rosenberg EI, Rubin AE, Gritsan AV, Guo ZJ, Arnaud N, Davier M, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Roudeau P, Schune MH, Stocchi A, Wormser G, Lange DJ, Wright DM, Bingham I, Chavez CA, Coleman JP, Fry JR, Gabathuler E, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Sigamani M, Cowan G, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Hafner A, Prencipe E, Alwyn KE, Bailey D, Barlow RJ, Jackson G, Lafferty GD, Behn E, Cenci R, Hamilton B, Jawahery A, Roberts DA, Simi G, Dallapiccola C, Cowan R, Dujmic D, Sciolla G, Lindemann D, Patel PM, Robertson SH, Schram M, Biassoni P, Lazzaro A, Lombardo V, Neri N, Palombo F, Stracka S, Cremaldi L, Godang R, Kroeger R, Sonnek P, Summers DJ, Nguyen X, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Raven G, Snoek HL, Jessop CP, Knoepfel KJ, LoSecco JM, Wang WF, Honscheid K, Kass R, Brau J, Frey R, Sinev NB, Strom D, Torrence E, Feltresi E, Gagliardi N, Margoni M, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud GR, Briand H, Calderini G, Chauveau J, Hamon O, Leruste P, Marchiori G, Ocariz J, Sitt S, Biasini M, Manoni E, Pacetti S, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh JJ, Lopes Pegna D, Lu C, Olsen J, Smith AJS, Telnov AV, Anulli F, Cavoto G, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Mazzoni MA, Piredda G, Bünger C, Grünberg O, Hartmann T, Leddig T, Schröder H, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèche C, Aston D, Bard DJ, Bartoldus R, Benitez JF, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Field RC, Franco Sevilla M, Fulsom BG, Gabareen AM, Graham MT, Grenier P, Hast C, Innes WR, Kelsey MH, Kim H, Kim P, Kocian ML, Leith DWGS, Lewis P, Li S, Lindquist B, Luitz S, Luth V, Lynch HL, MacFarlane DB, Muller DR, Neal H, Nelson S, Ofte I, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Schindler RH, Snyder A, Su D, Sullivan MK, Va'vra J, Wagner AP, Weaver M, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Yarritu AK, Young CC, Ziegler V, Park W, Purohit MV, White RM, Wilson JR, Randle-Conde A, Sekula SJ, Bellis M, Burchat PR, Miyashita TS, Alam MS, Ernst JA, Gorodeisky R, Guttman N, Peimer DR, Soffer A, Lund P, Spanier SM, Eckmann R, Ritchie JL, Ruland AM, Schilling CJ, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Ahmed H, Albert J, Banerjee S, Choi HHF, King GJ, Kowalewski R, Lewczuk MJ, Nugent IM, Roney JM, Sobie RJ, Tasneem N, Gershon TJ, Harrison PF, Latham TE, Puccio EMT, Band HR, Dasu S, Pan Y, Prepost R, Wu SL. Search for hadronic decays of a light Higgs boson in the radiative decay Υ→γA0. Phys Rev Lett 2011; 107:221803. [PMID: 22182022 DOI: 10.1103/physrevlett.107.221803] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2011] [Indexed: 05/31/2023]
Abstract
We search for hadronic decays of a light Higgs boson (A(0)) produced in radiative decays of an Υ(2S) or Υ(3S) meson, Υ→γA(0). The data have been recorded by the BABAR experiment at the Υ(3S) and Υ(2S) center-of-mass energies and include (121.3±1.2)×10(6) Υ(3S) and (98.3±0.9)×10(6) Υ(2S) mesons. No significant signal is observed. We set 90% confidence level upper limits on the product branching fractions B(Υ(nS)→γA(0))B(A(0)→hadrons) (n=2 or 3) that range from 1×10(-6) for an A(0) mass of 0.3 GeV/c(2) to 8×10(-5) at 7 GeV/c(2).
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Affiliation(s)
- J P Lees
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3,F-74941 Annecy-Le-Vieux, France
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Abe K, Abgrall N, Ajima Y, Aihara H, Albert JB, Andreopoulos C, Andrieu B, Aoki S, Araoka O, Argyriades J, Ariga A, Ariga T, Assylbekov S, Autiero D, Badertscher A, Barbi M, Barker GJ, Barr G, Bass M, Bay F, Bentham S, Berardi V, Berger BE, Bertram I, Besnier M, Beucher J, Beznosko D, Bhadra S, Blaszczyk FDMM, Blondel A, Bojechko C, Bouchez J, Boyd SB, Bravar A, Bronner C, Brook-Roberge DG, Buchanan N, Budd H, Calvet D, Cartwright SL, Carver A, Castillo R, Catanesi MG, Cazes A, Cervera A, Chavez C, Choi S, Christodoulou G, Coleman J, Coleman W, Collazuol G, Connolly K, Curioni A, Dabrowska A, Danko I, Das R, Davies GS, Davis S, Day M, De Rosa G, de André JPAM, de Perio P, Delbart A, Densham C, Di Lodovico F, Di Luise S, Dinh Tran P, Dobson J, Dore U, Drapier O, Dufour F, Dumarchez J, Dytman S, Dziewiecki M, Dziomba M, Emery S, Ereditato A, Escudero L, Esposito LS, Fechner M, Ferrero A, Finch AJ, Frank E, Fujii Y, Fukuda Y, Galymov V, Gannaway FC, Gaudin A, Gendotti A, George MA, Giffin S, Giganti C, Gilje K, Golan T, Goldhaber M, Gomez-Cadenas JJ, Gonin M, Grant N, Grant A, Gumplinger P, Guzowski P, Haesler A, Haigh MD, Hamano K, Hansen C, Hansen D, Hara T, Harrison PF, Hartfiel B, Hartz M, Haruyama T, Hasegawa T, Hastings NC, Hastings S, Hatzikoutelis A, Hayashi K, Hayato Y, Hearty C, Helmer RL, Henderson R, Higashi N, Hignight J, Hirose E, Holeczek J, Horikawa S, Hyndman A, Ichikawa AK, Ieki K, Ieva M, Iida M, Ikeda M, Ilic J, Imber J, Ishida T, Ishihara C, Ishii T, Ives SJ, Iwasaki M, Iyogi K, Izmaylov A, Jamieson B, Johnson RA, Joo KK, Jover-Manas GV, Jung CK, Kaji H, Kajita T, Kakuno H, Kameda J, Kaneyuki K, Karlen D, Kasami K, Kato I, Kearns E, Khabibullin M, Khanam F, Khotjantsev A, Kielczewska D, Kikawa T, Kim J, Kim JY, Kim SB, Kimura N, Kirby B, Kisiel J, Kitching P, Kobayashi T, Kogan G, Koike S, Konaka A, Kormos LL, Korzenev A, Koseki K, Koshio Y, Kouzuma Y, Kowalik K, Kravtsov V, Kreslo I, Kropp W, Kubo H, Kudenko Y, Kulkarni N, Kurjata R, Kutter T, Lagoda J, Laihem K, Laveder M, Lee KP, Le PT, Levy JM, Licciardi C, Lim IT, Lindner T, Litchfield RP, Litos M, Longhin A, Lopez GD, Loverre PF, Ludovici L, Lux T, Macaire M, Mahn K, Makida Y, Malek M, Manly S, Marchionni A, Marino AD, Marteau J, Martin JF, Maruyama T, Maryon T, Marzec J, Masliah P, Mathie EL, Matsumura C, Matsuoka K, Matveev V, Mavrokoridis K, Mazzucato E, McCauley N, McFarland KS, McGrew C, McLachlan T, Messina M, Metcalf W, Metelko C, Mezzetto M, Mijakowski P, Miller CA, Minamino A, Mineev O, Mine S, Missert AD, Mituka G, Miura M, Mizouchi K, Monfregola L, Moreau F, Morgan B, Moriyama S, Muir A, Murakami A, Murdoch M, Murphy S, Myslik J, Nakadaira T, Nakahata M, Nakai T, Nakajima K, Nakamoto T, Nakamura K, Nakayama S, Nakaya T, Naples D, Navin ML, Nelson B, Nicholls TC, Nishikawa K, Nishino H, Nowak JA, Noy M, Obayashi Y, Ogitsu T, Ohhata H, Okamura T, Okumura K, Okusawa T, Oser SM, Otani M, Owen RA, Oyama Y, Ozaki T, Pac MY, Palladino V, Paolone V, Paul P, Payne D, Pearce GF, Perkin JD, Pettinacci V, Pierre F, Poplawska E, Popov B, Posiadala M, Poutissou JM, Poutissou R, Przewlocki P, Qian W, Raaf JL, Radicioni E, Ratoff PN, Raufer TM, Ravonel M, Raymond M, Retiere F, Robert A, Rodrigues PA, Rondio E, Roney JM, Rossi B, Roth S, Rubbia A, Ruterbories D, Sabouri S, Sacco R, Sakashita K, Sánchez F, Sarrat A, Sasaki K, Scholberg K, Schwehr J, Scott M, Scully DI, Seiya Y, Sekiguchi T, Sekiya H, Shibata M, Shimizu Y, Shiozawa M, Short S, Siyad M, Smith RJ, Smy M, Sobczyk JT, Sobel H, Sorel M, Stahl A, Stamoulis P, Steinmann J, Still B, Stone J, Strabel C, Sulak LR, Sulej R, Sutcliffe P, Suzuki A, Suzuki K, Suzuki S, Suzuki SY, Suzuki Y, Suzuki Y, Szeglowski T, Szeptycka M, Tacik R, Tada M, Takahashi S, Takeda A, Takenaga Y, Takeuchi Y, Tanaka K, Tanaka HA, Tanaka M, Tanaka MM, Tanimoto N, Tashiro K, Taylor I, Terashima A, Terhorst D, Terri R, Thompson LF, Thorley A, Toki W, Tomaru T, Totsuka Y, Touramanis C, Tsukamoto T, Tzanov M, Uchida Y, Ueno K, Vacheret A, Vagins M, Vasseur G, Wachala T, Walding JJ, Waldron AV, Walter CW, Wanderer PJ, Wang J, Ward MA, Ward GP, Wark D, Wascko MO, Weber A, Wendell R, West N, Whitehead LH, Wikström G, Wilkes RJ, Wilking MJ, Wilson JR, Wilson RJ, Wongjirad T, Yamada S, Yamada Y, Yamamoto A, Yamamoto K, Yamanoi Y, Yamaoka H, Yanagisawa C, Yano T, Yen S, Yershov N, Yokoyama M, Zalewska A, Zalipska J, Zambelli L, Zaremba K, Ziembicki M, Zimmerman ED, Zito M, Żmuda J. Indication of electron neutrino appearance from an accelerator-produced off-axis muon neutrino beam. Phys Rev Lett 2011; 107:041801. [PMID: 21866992 DOI: 10.1103/physrevlett.107.041801] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Indexed: 05/31/2023]
Abstract
The T2K experiment observes indications of ν(μ) → ν(e) appearance in data accumulated with 1.43×10(20) protons on target. Six events pass all selection criteria at the far detector. In a three-flavor neutrino oscillation scenario with |Δm(23)(2)| = 2.4×10(-3) eV(2), sin(2)2θ(23) = 1 and sin(2)2θ(13) = 0, the expected number of such events is 1.5±0.3(syst). Under this hypothesis, the probability to observe six or more candidate events is 7×10(-3), equivalent to 2.5σ significance. At 90% C.L., the data are consistent with 0.03(0.04) < sin(2)2θ(13) < 0.28(0.34) for δ(CP) = 0 and a normal (inverted) hierarchy.
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Affiliation(s)
- K Abe
- University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan
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Sanchez PDA, Lees JP, Poireau V, Prencipe E, Tisserand V, Garra Tico J, Grauges E, Martinelli M, Palano A, Pappagallo M, Eigen G, Stugu B, Sun L, Battaglia M, Brown DN, Hooberman B, Kerth LT, Kolomensky YG, Lynch G, Osipenkov IL, Tanabe T, Hawkes CM, Watson AT, Koch H, Schroeder T, Asgeirsson DJ, Hearty C, Mattison TS, McKenna JA, Khan A, Randle-Conde A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Bondioli M, Curry S, Kirkby D, Lankford AJ, Mandelkern M, Martin EC, Stoker DP, Atmacan H, Gary JW, Liu F, Long O, Vitug GM, Campagnari C, Hong TM, Kovalskyi D, Richman JD, Eisner AM, Heusch CA, Kroseberg J, Lockman WS, Martinez AJ, Schalk T, Schumm BA, Seiden A, Winstrom LO, Cheng CH, Doll DA, Echenard B, Hitlin DG, Ongmongkolkul P, Porter FC, Rakitin AY, Andreassen R, Dubrovin MS, Mancinelli G, Meadows BT, Sokoloff MD, Bloom PC, Ford WT, Gaz A, Nagel M, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Jasper H, Karbach TM, Merkel J, Petzold A, Spaan B, Wacker K, Kobel MJ, Schubert KR, Schwierz R, Bernard D, Verderi M, Clark PJ, Playfer S, Watson JE, Andreotti M, Bettoni D, Bozzi C, Calabrese R, Cecchi A, Cibinetto G, Fioravanti E, Franchini P, Luppi E, Munerato M, Negrini M, Petrella A, Piemontese L, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Nicolaci M, Pacetti S, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Tosi S, Bhuyan B, Prasad V, Lee CL, Morii M, Adametz A, Marks J, Schenk S, Uwer U, Bernlochner FU, Ebert M, Lacker HM, Lueck T, Volk A, Dauncey PD, Tibbetts M, Behera PK, Mallik U, Chen C, Cochran J, Crawley HB, Dong L, Meyer WT, Prell S, Rosenberg EI, Rubin AE, Gao YY, Gritsan AV, Guo ZJ, Arnaud N, Davier M, Derkach D, da Costa JF, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Perez A, Roudeau P, Schune MH, Serrano J, Sordini V, Stocchi A, Wang L, Wormser G, Lange DJ, Wright DM, Bingham I, Chavez CA, Coleman JP, Fry JR, Gabathuler E, Gamet R, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Sigamani M, Cowan G, Paramesvaran S, Wren AC, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Hafner A, Alwyn KE, Bailey D, Barlow RJ, Jackson G, Lafferty GD, West TJ, Anderson J, Cenci R, Jawahery A, Roberts DA, Simi G, Tuggle JM, Dallapiccola C, Salvati E, Cowan R, Dujmic D, Fisher PH, Sciolla G, Zhao M, Lindemann D, Patel PM, Robertson SH, Schram M, Biassoni P, Lazzaro A, Lombardo V, Palombo F, Stracka S, Cremaldi L, Godang R, Kroeger R, Sonnek P, Summers DJ, Nguyen X, Simard M, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Raven G, Snoek HL, Jessop CP, Knoepfel KJ, LoSecco JM, Wang WF, Corwin LA, Honscheid K, Kass R, Morris JP, Rahimi AM, Blount NL, Brau J, Frey R, Igonkina O, Kolb JA, Rahmat R, Sinev NB, Strom D, Strube J, Torrence E, Castelli G, Feltresi E, Gagliardi N, Margoni M, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Ben-Haim E, Bonneaud GR, Briand H, Calderini G, Chauveau J, Hamon O, Leruste P, Marchiori G, Ocariz J, Prendki J, Sitt S, Biasini M, Manoni E, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Neri N, Paoloni E, Rizzo G, Walsh JJ, Pegna DL, Lu C, Olsen J, Smith AJS, Telnov AV, Anulli F, Baracchini E, Cavoto G, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Mazzoni MA, Piredda G, Renga F, Hartmann T, Leddig T, Schröder H, Waldi R, Adye T, Franek B, Olaiya EO, Wilson FF, Emery S, de Monchenault GH, Vasseur G, Yèche C, Zito M, Allen MT, Aston D, Bard DJ, Bartoldus R, Benitez JF, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Field RC, Sevilla MF, Fulsom BG, Gabareen AM, Graham MT, Grenier P, Hast C, Innes WR, Kelsey MH, Kim H, Kim P, Kocian ML, Leith DWGS, Li S, Lindquist B, Luitz S, Luth V, Lynch HL, MacFarlane DB, Marsiske H, Muller DR, Neal H, Nelson S, O'Grady CP, Ofte I, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Santoro V, Schindler RH, Schwiening J, Snyder A, Su D, Sullivan MK, Sun S, Suzuki K, Thompson JM, Va'vra J, Wagner AP, Weaver M, West CA, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Yarritu AK, Young CC, Ziegler V, Chen XR, Park W, Purohit MV, White RM, Wilson JR, Sekula SJ, Bellis M, Burchat PR, Edwards AJ, Miyashita TS, Ahmed S, Alam MS, Ernst JA, Pan B, Saeed MA, Zain SB, Guttman N, Soffer A, Lund P, Spanier SM, Eckmann R, Ritchie JL, Ruland AM, Schilling CJ, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, Gamba D, Pelliccioni M, Bomben M, Lanceri L, Vitale L, Lopez-March N, Martinez-Vidal F, Milanes DA, Oyanguren A, Albert J, Banerjee S, Choi HHF, Hamano K, King GJ, Kowalewski R, Lewczuk MJ, Nugent IM, Roney JM, Sobie RJ, Gershon TJ, Harrison PF, Latham TE, Puccio EMT, Band HR, Dasu S, Flood KT, Pan Y, Prepost R, Vuosalo CO, Wu SL. Observation of the decay B- → D(s)((*)+) K- ℓ- ν(ℓ). Phys Rev Lett 2011; 107:041804. [PMID: 21866995 DOI: 10.1103/physrevlett.107.041804] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Indexed: 05/31/2023]
Abstract
We report the observation of the decay B- → D(s)((*)+) K- ℓ- ν(ℓ) based on 342 fb(-1) of data collected at the Υ(4S) resonance with the BABAR detector at the PEP-II e+ e- storage rings at SLAC. A simultaneous fit to three D(s)(+) decay chains is performed to extract the signal yield from measurements of the squared missing mass in the B meson decay. We observe the decay B- → D(s)((*)+) K- ℓ- ν(ℓ) with a significance greater than 5 standard deviations (including systematic uncertainties) and measure its branching fraction to be B(B- → D(s)((*)+) K- ℓ- ν(ℓ)) = [6.13(-1.03)(+1.04)(stat)±0.43(syst)±0.51(B(D(s)))]×10(-4), where the last error reflects the limited knowledge of the D(s) branching fractions.
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Affiliation(s)
- P del Amo Sanchez
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
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del Amo Sanchez P, Lees JP, Poireau V, Prencipe E, Tisserand V, Garra Tico J, Grauges E, Martinelli M, Milanes DA, Palano A, Pappagallo M, Eigen G, Stugu B, Sun L, Brown DN, Chistiakova MV, Jensen F, Kerth LT, Kolomensky YG, Lynch G, Osipenkov IL, Koch H, Schroeder T, Asgeirsson DJ, Hearty C, Mattison TS, McKenna JA, Khan A, Randle-Conde A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Bondioli M, Curry S, Kirkby D, Lankford AJ, Mandelkern M, Martin EC, Stoker DP, Atmacan H, Gary JW, Liu F, Long O, Vitug GM, Campagnari C, Hong TM, Kovalskyi D, Richman JD, West C, Eisner AM, Heusch CA, Kroseberg J, Lockman WS, Martinez AJ, Schalk T, Schumm BA, Seiden A, Winstrom LO, Cheng CH, Doll DA, Echenard B, Hitlin DG, Ongmongkolkul P, Porter FC, Rakitin AY, Andreassen R, Dubrovin MS, Mancinelli G, Meadows BT, Sokoloff MD, Bloom PC, Ford WT, Gaz A, Nagel M, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Jasper H, Karbach TM, Petzold A, Spaan B, Kobel MJ, Schubert KR, Schwierz R, Bernard D, Verderi M, Clark PJ, Playfer S, Watson JE, Andreotti M, Bettoni D, Bozzi C, Calabrese R, Cecchi A, Cibinetto G, Fioravanti E, Franchini P, Garzia I, Luppi E, Munerato M, Negrini M, Petrella A, Piemontese L, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Nicolaci M, Pacetti S, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Tosi S, Bhuyan B, Prasad V, Lee CL, Morii M, Adametz A, Marks J, Uwer U, Bernlochner FU, Ebert M, Lacker HM, Lueck T, Volk A, Dauncey PD, Tibbetts M, Behera PK, Mallik U, Chen C, Cochran J, Crawley HB, Dong L, Meyer WT, Prell S, Rosenberg EI, Rubin AE, Gritsan AV, Guo ZJ, Arnaud N, Davier M, Derkach D, Firmino da Costa J, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Perez A, Roudeau P, Schune MH, Serrano J, Sordini V, Stocchi A, Wang L, Wormser G, Lange DJ, Wright DM, Bingham I, Chavez CA, Coleman JP, Fry JR, Gabathuler E, Gamet R, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Sigamani M, Cowan G, Paramesvaran S, Wren AC, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Hafner A, Alwyn KE, Bailey D, Barlow RJ, Jackson G, Lafferty GD, Anderson J, Cenci R, Jawahery A, Roberts DA, Simi G, Tuggle JM, Dallapiccola C, Salvati E, Cowan R, Dujmic D, Sciolla G, Zhao M, Lindemann D, Patel PM, Robertson SH, Schram M, Biassoni P, Lazzaro A, Lombardo V, Palombo F, Stracka S, Cremaldi L, Godang R, Kroeger R, Sonnek P, Summers DJ, Nguyen X, Simard M, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Raven G, Snoek HL, Jessop CP, Knoepfel KJ, LoSecco JM, Wang WF, Corwin LA, Honscheid K, Kass R, Morris JP, Blount NL, Brau J, Frey R, Igonkina O, Kolb JA, Rahmat R, Sinev NB, Strom D, Strube J, Torrence E, Castelli G, Feltresi E, Gagliardi N, Margoni M, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Ben-Haim E, Bonneaud GR, Briand H, Calderini G, Chauveau J, Hamon O, Leruste P, Marchiori G, Ocariz J, Prendki J, Sitt S, Biasini M, Manoni E, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Neri N, Paoloni E, Rizzo G, Walsh JJ, Lopes Pegna D, Lu C, Olsen J, Smith AJS, Telnov AV, Anulli F, Baracchini E, Cavoto G, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Mazzoni MA, Piredda G, Renga F, Hartmann T, Leddig T, Schröder H, Waldi R, Adye T, Franek B, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèche C, Zito M, Allen MT, Aston D, Bard DJ, Bartoldus R, Benitez JF, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Field RC, Franco Sevilla M, Fulsom BG, Gabareen AM, Graham MT, Grenier P, Hast C, Innes WR, Kelsey MH, Kim H, Kim P, Kocian ML, Leith DWGS, Li S, Lindquist B, Luitz S, Luth V, Lynch HL, MacFarlane DB, Marsiske H, Muller DR, Neal H, Nelson S, O'Grady CP, Ofte I, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Santoro V, Schindler RH, Schwiening J, Snyder A, Su D, Sullivan MK, Sun S, Suzuki K, Thompson JM, Va'vra J, Wagner AP, Weaver M, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Yarritu AK, Young CC, Ziegler V, Chen XR, Park W, Purohit MV, White RM, Wilson JR, Sekula SJ, Bellis M, Burchat PR, Edwards AJ, Miyashita TS, Ahmed S, Alam MS, Ernst JA, Pan B, Saeed MA, Zain SB, Guttman N, Soffer A, Lund P, Spanier SM, Eckmann R, Ritchie JL, Ruland AM, Schilling CJ, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, Gamba D, Pelliccioni M, Bomben M, Lanceri L, Vitale L, Lopez-March N, Martinez-Vidal F, Oyanguren A, Albert J, Banerjee S, Choi HHF, Hamano K, King GJ, Kowalewski R, Lewczuk MJ, Lindsay C, Nugent IM, Roney JM, Sobie RJ, Gershon TJ, Harrison PF, Latham TE, Puccio EMT, Band HR, Dasu S, Flood KT, Pan Y, Prepost R, Vuosalo CO, Wu SL. Search for production of invisible final states in single-photon decays of Υ(1S). Phys Rev Lett 2011; 107:021804. [PMID: 21797597 DOI: 10.1103/physrevlett.107.021804] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2010] [Indexed: 05/31/2023]
Abstract
We search for single-photon decays of the Υ(1S) resonance, Υ → γ + invisible, where the invisible state is either a particle of definite mass, such as a light Higgs boson A⁰, or a pair of dark matter particles, χχ. Both A⁰ and χ are assumed to have zero spin. We tag Υ(1S) decays with a dipion transition Υ(2S) → π⁺π⁻Υ(1S) and look for events with a single energetic photon and significant missing energy. We find no evidence for such processes in the mass range m(A⁰) ≤ 9.2 GeV and m(χ) ≤ 4.5 GeV in the sample of 98 × 10⁶ Υ(2S) decays collected with the BABAR detector and set stringent limits on new physics models that contain light dark matter states.
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Affiliation(s)
- P del Amo Sanchez
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
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del Amo Sanchez P, Lees JP, Poireau V, Prencipe E, Tisserand V, Garra Tico J, Grauges E, Martinelli M, Palano A, Pappagallo M, Eigen G, Stugu B, Sun L, Battaglia M, Brown DN, Hooberman B, Kerth LT, Kolomensky YG, Lynch G, Osipenkov IL, Tanabe T, Hawkes CM, Watson AT, Koch H, Schroeder T, Asgeirsson DJ, Hearty C, Mattison TS, McKenna JA, Khan A, Randle-Conde A, Blinov VE, Buzykaev AR, Druzhinin VP, Golubev VB, Onuchin AP, Serednyakov SI, Skovpen YI, Solodov EP, Todyshev KY, Yushkov AN, Bondioli M, Curry S, Kirkby D, Lankford AJ, Mandelkern M, Martin EC, Stoker DP, Atmacan H, Gary JW, Liu F, Long O, Vitug GM, Campagnari C, Hong TM, Kovalskyi D, Richman JD, Eisner AM, Heusch CA, Kroseberg J, Lockman WS, Martinez AJ, Schalk T, Schumm BA, Seiden A, Winstrom LO, Cheng CH, Doll DA, Echenard B, Hitlin DG, Ongmongkolkul P, Porter FC, Rakitin AY, Andreassen R, Dubrovin MS, Mancinelli G, Meadows BT, Sokoloff MD, Bloom PC, Ford WT, Gaz A, Nagel M, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Jasper H, Karbach TM, Merkel J, Petzold A, Spaan B, Wacker K, Kobel MJ, Schubert KR, Schwierz R, Bernard D, Verderi M, Clark PJ, Playfer S, Watson JE, Andreotti M, Bettoni D, Bozzi C, Calabrese R, Cecchi A, Cibinetto G, Fioravanti E, Franchini P, Luppi E, Munerato M, Negrini M, Petrella A, Piemontese L, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Nicolaci M, Pacetti S, Patteri P, Peruzzi IM, Piccolo M, Rama M, Zallo A, Contri R, Guido E, Lo Vetere M, Monge MR, Passaggio S, Patrignani C, Robutti E, Tosi S, Bhuyan B, Prasad V, Lee CL, Morii M, Adametz A, Marks J, Uwer U, Bernlochner FU, Ebert M, Lacker HM, Lueck T, Volk A, Dauncey PD, Tibbetts M, Behera PK, Mallik U, Chen C, Cochran J, Crawley HB, Dong L, Meyer WT, Prell S, Rosenberg EI, Rubin AE, Gao YY, Gritsan AV, Guo ZJ, Arnaud N, Davier M, Derkach D, Firmino da Costa J, Grosdidier G, Le Diberder F, Lutz AM, Malaescu B, Perez A, Roudeau P, Schune MH, Serrano J, Sordini V, Stocchi A, Wang L, Wormser G, Lange DJ, Wright DM, Bingham I, Chavez CA, Coleman JP, Fry JR, Gabathuler E, Gamet R, Hutchcroft DE, Payne DJ, Touramanis C, Bevan AJ, Di Lodovico F, Sacco R, Sigamani M, Cowan G, Paramesvaran S, Wren AC, Brown DN, Davis CL, Denig AG, Fritsch M, Gradl W, Hafner A, Alwyn KE, Bailey D, Barlow RJ, Jackson G, Lafferty GD, West TJ, Anderson J, Cenci R, Jawahery A, Roberts DA, Simi G, Tuggle JM, Dallapiccola C, Salvati E, Cowan R, Dujmic D, Fisher PH, Sciolla G, Zhao M, Lindemann D, Patel PM, Robertson SH, Schram M, Biassoni P, Lazzaro A, Lombardo V, Palombo F, Stracka S, Cremaldi L, Godang R, Kroeger R, Sonnek P, Summers DJ, Nguyen X, Simard M, Taras P, De Nardo G, Monorchio D, Onorato G, Sciacca C, Raven G, Snoek HL, Jessop CP, Knoepfel KJ, LoSecco JM, Wang WF, Corwin LA, Honscheid K, Kass R, Morris JP, Blount NL, Brau J, Frey R, Igonkina O, Kolb JA, Rahmat R, Sinev NB, Strom D, Strube J, Torrence E, Castelli G, Feltresi E, Gagliardi N, Margoni M, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Ben-Haim E, Bonneaud GR, Briand H, Calderini G, Chauveau J, Hamon O, Leruste P, Marchiori G, Ocariz J, Prendki J, Sitt S, Biasini M, Manoni E, Rossi A, Angelini C, Batignani G, Bettarini S, Carpinelli M, Casarosa G, Cervelli A, Forti F, Giorgi MA, Lusiani A, Neri N, Paoloni E, Rizzo G, Walsh JJ, Lopes Pegna D, Lu C, Olsen J, Smith AJS, Telnov AV, Anulli F, Baracchini E, Cavoto G, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Mazzoni MA, Piredda G, Renga F, Hartmann T, Leddig T, Schröder H, Waldi R, Adye T, Franek B, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèche C, Zito M, Allen MT, Aston D, Bard DJ, Bartoldus R, Benitez JF, Cartaro C, Convery MR, Dorfan J, Dubois-Felsmann GP, Dunwoodie W, Field RC, Franco Sevilla M, Fulsom BG, Gabareen AM, Graham MT, Grenier P, Hast C, Innes WR, Kelsey MH, Kim H, Kim P, Kocian ML, Leith DWGS, Li S, Lindquist B, Luitz S, Luth V, Lynch HL, MacFarlane DB, Marsiske H, Muller DR, Neal H, Nelson S, O'Grady CP, Ofte I, Perl M, Pulliam T, Ratcliff BN, Roodman A, Salnikov AA, Santoro V, Schindler RH, Schwiening J, Snyder A, Su D, Sullivan MK, Sun S, Suzuki K, Thompson JM, Va'vra J, Wagner AP, Weaver M, West CA, Wisniewski WJ, Wittgen M, Wright DH, Wulsin HW, Yarritu AK, Young CC, Ziegler V, Chen XR, Park W, Purohit MV, White RM, Wilson JR, Sekula SJ, Bellis M, Burchat PR, Edwards AJ, Miyashita TS, Ahmed S, Alam MS, Ernst JA, Pan B, Saeed MA, Zain SB, Guttman N, Soffer A, Lund P, Spanier SM, Eckmann R, Ritchie JL, Ruland AM, Schilling CJ, Schwitters RF, Wray BC, Izen JM, Lou XC, Bianchi F, Gamba D, Pelliccioni M, Bomben M, Lanceri L, Vitale L, Lopez-March N, Martinez-Vidal F, Milanes DA, Oyanguren A, Albert J, Banerjee S, Choi HHF, Hamano K, King GJ, Kowalewski R, Lewczuk MJ, Nugent IM, Roney JM, Sobie RJ, Gershon TJ, Harrison PF, Latham TE, Puccio EMT, Band HR, Dasu S, Flood KT, Pan Y, Prepost R, Vuosalo CO, Wu SL. Search for f(J)(2220) in radiative J/ψ decays. Phys Rev Lett 2010; 105:172001. [PMID: 21231035 DOI: 10.1103/physrevlett.105.172001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2010] [Indexed: 05/30/2023]
Abstract
We present a search for f(J)(2220) production in radiative J/ψ→γf(J)(2220) decays using 460 fb⁻¹ of data collected with the BABAR detector at the SLAC PEP-II e(+)e⁻ collider. The f(J)(2220) is searched for in the decays to K(+)K⁻ and K(S)⁰K(S)⁰. No evidence of this resonance is observed, and 90% confidence level upper limits on the product of the branching fractions for J/ψ→γf(J)(2220) and f(J)(2220)→K(+)K⁻(K(S)⁰K(S)⁰) as a function of spin and helicity are set at the level of 10⁻⁵, below the central values reported by the Mark III experiment.
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Evidence for direct CP violation in the measurement of the Cabbibo-Kobayashi-Maskawa angle γ with B∓ → D(*)K(*)∓ decays. Phys Rev Lett 2010; 105:121801. [PMID: 20867628 DOI: 10.1103/physrevlett.105.121801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2010] [Indexed: 05/29/2023]
Abstract
We report the measurement of the Cabibbo-Kobayashi-Maskawa CP-violating angle γ through a Dalitz plot analysis of neutral D-meson decays to K(S)(0) π+ π- and K(S)(0) K+ K- produced in the processes B∓ → DK∓, B∓ D* K∓ with D* → Dπ(0), Dγ, and B∓ → DK*∓ with K*∓ → K(S)(0) π∓, using 468 million BB pairs collected by the BABAR detector at the PEP-II asymmetric-energy e+ e- collider at SLAC. We measure γ = (68 ± 14 ± 4 ± 3)° (modulo 180°), where the first error is statistical, the second is the experimental systematic uncertainty, and the third reflects the uncertainty in the description of the neutral D decay amplitudes. This result is inconsistent with γ = 0 (no direct CP violation) with a significance of 3.5 standard deviations.
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Affiliation(s)
- P del Amo Sanchez
- Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP), Université de Savoie, CNRS/IN2P3, F-74941 Annecy-Le-Vieux, France
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