1
|
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
Collapse
|
2
|
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.
Collapse
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
| |
Collapse
|
3
|
Bechtol K, Belov K, Borch K, Chen P, Clem J, Gorham P, Hast C, Huege T, Hyneman R, Jobe K, Kuwatani K, Lam J, Liu T, Mulrey K, Nam J, Naudet C, Nichol R, Paciaroni C, Rauch B, Romero-Wolf A, Rotter B, Saltzberg D, Schoorlemmer H, Seckel D, Strutt B, Vieregg A, Williams C, Wissel S, Zilles A. SLAC T-510 experiment for radio emission from particle showers: Detailed simulation study and interpretation. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.105.063025] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
4
|
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).
Collapse
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
| |
Collapse
|
5
|
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.
Collapse
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
| |
Collapse
|
6
|
Prohira S, de Vries K, Allison P, Beatty J, Besson D, Connolly A, Dasgupta P, Deaconu C, De Kockere S, Frikken D, Hast C, Santiago E, Kuo CY, Latif U, Lukic V, Meures T, Mulrey K, Nam J, Nozdrina A, Oberla E, Ralston J, Sbrocco C, Stanley R, Torres J, Toscano S, Van den Broeck D, van Eijndhoven N, Wissel S. The Radar Echo Telescope for Cosmic Rays: Pathfinder experiment for a next-generation neutrino observatory. Int J Clin Exp Med 2021. [DOI: 10.1103/physrevd.104.102006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
7
|
Lees J, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown D, Kolomensky Y, Fritsch M, Koch H, Schroeder T, Cheaib R, Hearty C, Mattison T, McKenna J, So R, Blinov V, Buzykaev A, Druzhinin V, Golubev V, Kozyrev E, Kravchenko E, Onuchin A, Serednyakov S, Skovpen Y, Solodov E, Todyshev K, Lankford A, Dey B, Gary J, Long O, Eisner A, Lockman W, Panduro Vazquez W, Chao D, Cheng C, Echenard B, Flood K, Hitlin D, Kim J, Li Y, Lin D, Miyashita T, Ongmongkolkul P, Oyang J, Porter F, Röhrken M, Huard Z, Meadows B, Pushpawela B, Sokoloff M, Sun L, Smith J, Wagner S, 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 I, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Shuve B, Lacker H, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan A, Arnaud N, Davier M, Le Diberder F, Lutz A, Wormser G, Lange D, Wright D, Coleman J, Gabathuler E, Hutchcroft D, Payne D, Touramanis C, Bevan A, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown D, Davis C, Denig A, Gradl W, Griessinger K, Hafner A, Schubert K, Barlow R, Lafferty G, Cenci R, Jawahery A, Roberts D, Cowan R, Robertson S, Seddon R, Neri N, Palombo F, Cremaldi L, Godang R, Summers D, Taras P, De Nardo G, Sciacca C, Raven G, Jessop C, LoSecco J, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud G, 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 M, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh J, Zani L, Smith A, 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 F, Emery S, Vasseur G, Aston D, Cartaro C, Convery M, Dorfan J, Dunwoodie W, Ebert M, Field R, Fulsom B, Graham M, Hast C, Innes W, Kim P, Leith D, Luitz S, MacFarlane D, Muller D, Neal H, Ratcliff B, Roodman A, Sullivan M, Va’vra J, Wisniewski W, Purohit M, Wilson J, Randle-Conde A, Sekula S, Ahmed H, Bellis M, Burchat P, Puccio E, Alam M, Ernst J, Gorodeisky R, Guttman N, Peimer D, Soffer A, Spanier S, Ritchie J, Schwitters R, Izen J, Lou X, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner F, King G, Kowalewski R, Lueck T, Nugent I, Roney J, Sobie R, Tasneem N, Gershon T, Harrison P, Latham T, Prepost R, Wu S. Light meson spectroscopy from Dalitz plot analyses of
ηc
decays to
η′K+K−
,
η′π+π−
, and
ηπ+π−
produced in two-photon interactions. Int J Clin Exp Med 2021. [DOI: 10.1103/physrevd.104.072002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
8
|
Prohira S, Sbrocco C, Allison P, Beatty J, Besson D, Connolly A, Dasgupta P, Deaconu C, de Vries K, De Kockere S, Frikken D, Hast C, Santiago EH, Kuo CY, Latif U, Lukic V, Meures T, Mulrey K, Nam J, Nozdrina A, Ralston J, Stanley R, Torres J, Toscano S, Van den Broeck D, van Eijndhoven N, Wissel S. Modeling in-ice radio propagation with parabolic equation methods. Int J Clin Exp Med 2021. [DOI: 10.1103/physrevd.103.103007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
9
|
Gorham PW, Ludwig A, Deaconu C, Cao P, Allison P, Banerjee O, Batten L, Bhattacharya D, Beatty JJ, Belov K, Binns WR, Bugaev V, Chen CH, Chen P, Chen Y, Clem JM, Cremonesi L, Dailey B, Dowkontt PF, Fox BD, Gordon JWH, Hast C, Hill B, Hsu SY, Huang JJ, Hughes K, Hupe R, Israel MH, Liu TC, Macchiarulo L, Matsuno S, McBride K, Miki C, Nam J, Naudet CJ, Nichol RJ, Novikov A, Oberla E, Olmedo M, Prechelt R, Rauch BF, Roberts JM, Romero-Wolf A, Rotter B, Russell JW, Saltzberg D, Seckel D, Schoorlemmer H, Shiao J, Stafford S, Stockham J, Stockham M, Strutt B, Sutherland MS, Varner GS, Vieregg AG, Wang SH, Wissel SA. Unusual Near-Horizon Cosmic-Ray-like Events Observed by ANITA-IV. Phys Rev Lett 2021; 126:071103. [PMID: 33666466 DOI: 10.1103/physrevlett.126.071103] [Citation(s) in RCA: 2] [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: 08/19/2020] [Revised: 10/20/2020] [Accepted: 11/12/2020] [Indexed: 06/12/2023]
Abstract
ANITA's fourth long-duration balloon flight in 2016 detected 29 cosmic-ray (CR)-like events on a background of 0.37_{-0.17}^{+0.27} anthropogenic events. CRs are mainly seen in reflection off the Antarctic ice sheets, creating a phase-inverted waveform polarity. However, four of the below-horizon CR-like events show anomalous noninverted polarity, a p=5.3×10^{-4} chance if due to background. All anomalous events are from locations near the horizon; ANITA-IV observed no steeply upcoming anomalous events similar to the two such events seen in prior flights.
Collapse
Affiliation(s)
- P W Gorham
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - A Ludwig
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - C Deaconu
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - P Cao
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - P Allison
- Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - O Banerjee
- Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - L Batten
- Department of Physics and Astronomy, University College London, WC1E 6BT London, United Kingdom
| | - D Bhattacharya
- Department of Mathematics, George Washington University, Washington, D.C. 20052, USA
| | - J J Beatty
- Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - K Belov
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA
| | - W R Binns
- Department of Physics and McDonnell Center for the Space Sciences, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - V Bugaev
- Department of Physics and McDonnell Center for the Space Sciences, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - C H Chen
- Department of Physics, Graduate Institute of Astrophysics, and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - P Chen
- Department of Physics, Graduate Institute of Astrophysics, and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - Y Chen
- Department of Physics, Graduate Institute of Astrophysics, and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - J M Clem
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - L Cremonesi
- Department of Physics and Astronomy, University College London, WC1E 6BT London, United Kingdom
| | - B Dailey
- Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - P F Dowkontt
- Department of Physics and McDonnell Center for the Space Sciences, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - B D Fox
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - J W H Gordon
- Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - B Hill
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - S Y Hsu
- Department of Physics, Graduate Institute of Astrophysics, and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - J J Huang
- Department of Physics, Graduate Institute of Astrophysics, and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - K Hughes
- Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - R Hupe
- Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - M H Israel
- Department of Physics and McDonnell Center for the Space Sciences, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - T C Liu
- Department of Electrophysics, National Yang-Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - L Macchiarulo
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - S Matsuno
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - K McBride
- Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - C Miki
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - J Nam
- Department of Physics, Graduate Institute of Astrophysics, and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - C J Naudet
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA
| | - R J Nichol
- Department of Physics and Astronomy, University College London, WC1E 6BT London, United Kingdom
| | - A Novikov
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
- National Research Nuclear University, Moscow Engineering Physics Institute, Moscow 115409, Russia
| | - E Oberla
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - M Olmedo
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - R Prechelt
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - B F Rauch
- Department of Physics and McDonnell Center for the Space Sciences, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - J M Roberts
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - A Romero-Wolf
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA
| | - B Rotter
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - J W Russell
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - D Saltzberg
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - D Seckel
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - H Schoorlemmer
- Max-Planck-Institute für Kernphysik, 69029 Heidelberg, Germany
| | - J Shiao
- Department of Physics, Graduate Institute of Astrophysics, and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - S Stafford
- Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - J Stockham
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
| | - M Stockham
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
| | - B Strutt
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - M S Sutherland
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - G S Varner
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - A G Vieregg
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - S H Wang
- Department of Physics, Graduate Institute of Astrophysics, and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - S A Wissel
- Department of Physics, Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, Pennsylvania 16801, USA
| |
Collapse
|
10
|
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.
Collapse
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
| |
Collapse
|
11
|
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.
Collapse
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
| |
Collapse
|
12
|
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.
Collapse
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
| |
Collapse
|
13
|
Prohira S, de Vries KD, Allison P, Beatty J, Besson D, Connolly A, van Eijndhoven N, Hast C, Kuo CY, Latif UA, Meures T, Nam J, Nozdrina A, Ralston JP, Riesen Z, Sbrocco C, Torres J, Wissel S. Observation of Radar Echoes from High-Energy Particle Cascades. Phys Rev Lett 2020; 124:091101. [PMID: 32202874 DOI: 10.1103/physrevlett.124.091101] [Citation(s) in RCA: 2] [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: 11/09/2019] [Accepted: 01/17/2020] [Indexed: 06/10/2023]
Abstract
We report the observation of radar echoes from the ionization trails of high-energy particle cascades. Data were taken at the SLAC National Accelerator Laboratory, where the full electron beam (∼10^{9} e^{-} at ∼10 GeV/e^{-}) was directed into a plastic target to simulate an ultrahigh-energy neutrino interaction. The target was interrogated with radio waves, and coherent radio reflections from the cascades were detected with properties consistent with theoretical expectations. This is the first definitive observation of radar echoes from high-energy particle cascades, which may lead to a viable neutrino detection technology for energies ≳10^{16} eV.
Collapse
Affiliation(s)
- S Prohira
- Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, Columbus, Ohio 43210, USA
| | - K D de Vries
- Vrije Universiteit Brussel, Brussel 1050, Belgium
| | - P Allison
- Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, Columbus, Ohio 43210, USA
| | - J Beatty
- Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, Columbus, Ohio 43210, USA
| | - D Besson
- University of Kansas, Lawrence, Kansas 66045, USA
- National Research Nuclear University, Moscow Engineering Physics Institute, Moscow 115409, Russia
| | - A Connolly
- Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, Columbus, Ohio 43210, USA
| | | | - C Hast
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - C-Y Kuo
- National Taiwan University, Taipei 10617, Taiwan
| | - U A Latif
- University of Kansas, Lawrence, Kansas 66045, USA
| | - T Meures
- University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
| | - J Nam
- National Taiwan University, Taipei 10617, Taiwan
| | - A Nozdrina
- University of Kansas, Lawrence, Kansas 66045, USA
| | - J P Ralston
- University of Kansas, Lawrence, Kansas 66045, USA
| | - Z Riesen
- California Polytechnic State University, San Luis Obispo, California 93407, USA
| | - C Sbrocco
- Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, Columbus, Ohio 43210, USA
| | - J Torres
- Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, Columbus, Ohio 43210, USA
| | - S Wissel
- California Polytechnic State University, San Luis Obispo, California 93407, USA
| |
Collapse
|
14
|
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.
Collapse
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
| |
Collapse
|
15
|
Lees J, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Brown D, Kolomensky Y, Fritsch M, Koch H, Schroeder T, Cheaib R, Hearty C, Mattison T, McKenna J, So R, Blinov V, Buzykaev A, Druzhinin V, Golubev V, Kozyrev E, Kravchenko E, Onuchin A, Serednyakov S, Skovpen Y, Solodov E, Todyshev K, Lankford A, Dey B, Gary J, Long O, Eisner A, Lockman W, Panduro Vazquez W, Chao D, Cheng C, Echenard B, Flood K, Hitlin D, Kim J, Li Y, Miyashita T, Ongmongkolkul P, Porter F, Röhrken M, Huard Z, Meadows B, Pushpawela B, Sokoloff M, Sun L, Smith J, Wagner S, 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 I, Piccolo M, Rotondo M, Zallo A, Passaggio S, Patrignani C, Lacker H, Bhuyan B, Mallik U, Chen C, Cochran J, Prell S, Gritsan A, Arnaud N, Davier M, Le Diberder F, Lutz A, Wormser G, Lange D, Wright D, Coleman J, Gabathuler E, Hutchcroft D, Payne D, Touramanis C, Bevan A, Di Lodovico F, Sacco R, Cowan G, Banerjee S, Brown D, Davis C, Denig A, Gradl W, Griessinger K, Hafner A, Schubert K, Barlow R, Lafferty G, Cenci R, Jawahery A, Roberts D, Cowan R, Robertson S, Seddon R, Neri N, Palombo F, Cremaldi L, Godang R, Summers D, Taras P, De Nardo G, Sciacca C, Raven G, Jessop C, LoSecco J, Honscheid K, Kass R, Gaz A, Margoni M, Posocco M, Simi G, Simonetto F, Stroili R, Akar S, Ben-Haim E, Bomben M, Bonneaud G, 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 M, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh J, Zani L, Smith A, 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 F, Emery S, Vasseur G, Aston D, Cartaro C, Convery M, Dorfan J, Dunwoodie W, Ebert M, Field R, Fulsom B, Graham M, Hast C, Innes W, Kim P, Leith D, Luitz S, MacFarlane D, Muller D, Neal H, Ratcliff B, Roodman A, Sullivan M, Va’vra J, Wisniewski W, Purohit M, Wilson J, Randle-Conde A, Sekula S, Ahmed H, Bellis M, Burchat P, Puccio E, Alam M, Ernst J, Gorodeisky R, Guttman N, Peimer D, Soffer A, Spanier S, Ritchie J, Schwitters R, Izen J, Lou X, Bianchi F, De Mori F, Filippi A, Gamba D, Lanceri L, Vitale L, Martinez-Vidal F, Oyanguren A, Albert J, Beaulieu A, Bernlochner F, King G, Kowalewski R, Lueck T, Nugent I, Roney J, Sobie R, Tasneem N, Gershon T, Harrison P, Latham T, Prepost R, Wu S. Search for
B−→Λp¯νν¯
with the
BaBar
experiment. Int J Clin Exp Med 2019. [DOI: 10.1103/physrevd.100.111101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
16
|
Prohira S, de Vries K, Besson D, Connolly A, Hast C, Latif U, Meures T, Nozdrina A, Ralston J, Riesen Z, Saltzberg D, Torres J, Wissel S, Zuo X. Suggestion of coherent radio reflections from an electron-beam induced particle cascade. Int J Clin Exp Med 2019. [DOI: 10.1103/physrevd.100.072003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
17
|
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.
Collapse
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
| |
Collapse
|
18
|
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}.
Collapse
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
| |
Collapse
|
19
|
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.
Collapse
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
| |
Collapse
|
20
|
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.
Collapse
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
| |
Collapse
|
21
|
Gorham PW, Rotter B, Allison P, Banerjee O, Batten L, Beatty JJ, Bechtol K, Belov K, Besson DZ, Binns WR, Bugaev V, Cao P, Chen CC, Chen CH, Chen P, Clem JM, Connolly A, Cremonesi L, Dailey B, Deaconu C, Dowkontt PF, Fox BD, Gordon JWH, Hast C, Hill B, Hughes K, Huang JJ, Hupe R, Israel MH, Javaid A, Lam J, Liewer KM, Lin SY, Liu TC, Ludwig A, Macchiarulo L, Matsuno S, Miki C, Mulrey K, Nam J, Naudet CJ, Nichol RJ, Novikov A, Oberla E, Olmedo M, Prechelt R, Prohira S, Rauch BF, Roberts JM, Romero-Wolf A, Russell JW, Saltzberg D, Seckel D, Schoorlemmer H, Shiao J, Stafford S, Stockham J, Stockham M, Strutt B, Varner GS, Vieregg AG, Wang SH, Wissel SA. Observation of an Unusual Upward-Going Cosmic-Ray-like Event in the Third Flight of ANITA. Phys Rev Lett 2018; 121:161102. [PMID: 30387639 DOI: 10.1103/physrevlett.121.161102] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 06/14/2018] [Indexed: 06/08/2023]
Abstract
We report on an upward traveling, radio-detected cosmic-ray-like impulsive event with characteristics closely matching an extensive air shower. This event, observed in the third flight of the Antarctic Impulsive Transient Antenna (ANITA), a NASA-sponsored long-duration balloon payload, is consistent with a similar event reported in a previous flight. These events could be produced by the atmospheric decay of an upward-propagating τ lepton produced by a ν_{τ} interaction, although their relatively steep arrival angles create tension with the standard model neutrino cross section. Each of the two events have a posteriori background estimates of ≲10^{-2} events. If these are generated by τ-lepton decay, then either the charged-current ν_{τ} cross section is suppressed at EeV energies, or the events arise at moments when the peak flux of a transient neutrino source was much larger than the typical expected cosmogenic background neutrinos.
Collapse
Affiliation(s)
- P W Gorham
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - B Rotter
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - P Allison
- Department of Physics, Center for Cosmology and AstroParticle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - O Banerjee
- Department of Physics, Center for Cosmology and AstroParticle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - L Batten
- Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - J J Beatty
- Department of Physics, Center for Cosmology and AstroParticle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - K Bechtol
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - K Belov
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - D Z Besson
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
- National Research Nuclear University, MEPhI (Moscow Engineering Physics Institute), Kashirskoe shosse 31, Moscow 115409, Russian Federation
| | - W R Binns
- Department of Physics & McDonnell Center for the Space Sciences, Washington University in St. Louis, Missouri 63130, USA
| | - V Bugaev
- Department of Physics & McDonnell Center for the Space Sciences, Washington University in St. Louis, Missouri 63130, USA
| | - P Cao
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - C C Chen
- Department of Physics, Graduate Institute. of Astrophysics, & Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - C H Chen
- Department of Physics, Graduate Institute. of Astrophysics, & Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - P Chen
- Department of Physics, Graduate Institute. of Astrophysics, & Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - J M Clem
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - A Connolly
- Department of Physics, Center for Cosmology and AstroParticle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - L Cremonesi
- Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - B Dailey
- Department of Physics, Center for Cosmology and AstroParticle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - C Deaconu
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - P F Dowkontt
- Department of Physics & McDonnell Center for the Space Sciences, Washington University in St. Louis, Missouri 63130, USA
| | - B D Fox
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - J W H Gordon
- Department of Physics, Center for Cosmology and AstroParticle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - B Hill
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - K Hughes
- Department of Physics, Center for Cosmology and AstroParticle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - J J Huang
- Department of Physics, Graduate Institute. of Astrophysics, & Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - R Hupe
- Department of Physics, Center for Cosmology and AstroParticle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - M H Israel
- Department of Physics & McDonnell Center for the Space Sciences, Washington University in St. Louis, Missouri 63130, USA
| | - A Javaid
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - J Lam
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - K M Liewer
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - S Y Lin
- Department of Physics, Graduate Institute. of Astrophysics, & Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - T C Liu
- Department of Physics, Graduate Institute. of Astrophysics, & Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - A Ludwig
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - L Macchiarulo
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - S Matsuno
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - C Miki
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - K Mulrey
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - J Nam
- Department of Physics, Graduate Institute. of Astrophysics, & Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - C J Naudet
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - R J Nichol
- Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - A Novikov
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
- National Research Nuclear University, MEPhI (Moscow Engineering Physics Institute), Kashirskoe shosse 31, Moscow 115409, Russian Federation
| | - E Oberla
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - M Olmedo
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - R Prechelt
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - S Prohira
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
| | - B F Rauch
- Department of Physics & McDonnell Center for the Space Sciences, Washington University in St. Louis, Missouri 63130, USA
| | - J M Roberts
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - A Romero-Wolf
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - J W Russell
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - D Saltzberg
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - D Seckel
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - H Schoorlemmer
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - J Shiao
- Department of Physics, Graduate Institute. of Astrophysics, & Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - S Stafford
- Department of Physics, Center for Cosmology and AstroParticle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - J Stockham
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
| | - M Stockham
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
| | - B Strutt
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - G S Varner
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - A G Vieregg
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - S H Wang
- Department of Physics, Graduate Institute. of Astrophysics, & Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - S A Wissel
- Physics Department, California Polytechnic State University, San Luis Obispo, California 93407, USA
| |
Collapse
|
22
|
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.
Collapse
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
| |
Collapse
|
23
|
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.
Collapse
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
| |
Collapse
|
24
|
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}.
Collapse
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
| |
Collapse
|
25
|
Mo MZ, Shen X, Chen Z, Li RK, Dunning M, Sokolowski-Tinten K, Zheng Q, Weathersby SP, Reid AH, Coffee R, Makasyuk I, Edstrom S, McCormick D, Jobe K, Hast C, Glenzer SH, Wang X. Single-shot mega-electronvolt ultrafast electron diffraction for structure dynamic studies of warm dense matter. Rev Sci Instrum 2016; 87:11D810. [PMID: 27910490 DOI: 10.1063/1.4960070] [Citation(s) in RCA: 8] [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] [Indexed: 06/06/2023]
Abstract
We have developed a single-shot mega-electronvolt ultrafast-electron-diffraction system to measure the structural dynamics of warm dense matter. The electron probe in this system is featured by a kinetic energy of 3.2 MeV and a total charge of 20 fC, with the FWHM pulse duration and spot size at sample of 350 fs and 120 μm respectively. We demonstrate its unique capability by visualizing the atomic structural changes of warm dense gold formed from a laser-excited 35-nm freestanding single-crystal gold foil. The temporal evolution of the Bragg peak intensity and of the liquid signal during solid-liquid phase transition are quantitatively determined. This experimental capability opens up an exciting opportunity to unravel the atomic dynamics of structural phase transitions in warm dense matter regime.
Collapse
Affiliation(s)
- M Z Mo
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - X Shen
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - Z Chen
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - R K Li
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - M Dunning
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - K Sokolowski-Tinten
- Faculty of Physics and Centre for Nanointegration Duisburg-Essen, University of Duisburg-Essen, Lotharstrasse 1, D-47048 Duisburg, Germany
| | - Q Zheng
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - S P Weathersby
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - A H Reid
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - R Coffee
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - I Makasyuk
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - S Edstrom
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - D McCormick
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - K Jobe
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - C Hast
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - X Wang
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| |
Collapse
|
26
|
Gorham PW, Nam J, Romero-Wolf A, Hoover S, Allison P, Banerjee O, Beatty JJ, Belov K, Besson DZ, Binns WR, Bugaev V, Cao P, Chen C, Chen P, Clem JM, Connolly A, Dailey B, Deaconu C, Cremonesi L, Dowkontt PF, DuVernois MA, Field RC, Fox BD, Goldstein D, Gordon J, Hast C, Hebert CL, Hill B, Hughes K, Hupe R, Israel MH, Javaid A, Kowalski J, Lam J, Learned JG, Liewer KM, Liu TC, Link JT, Lusczek E, Matsuno S, Mercurio BC, Miki C, Miočinović P, Mottram M, Mulrey K, Naudet CJ, Ng J, Nichol RJ, Palladino K, Rauch BF, Reil K, Roberts J, Rosen M, Rotter B, Russell J, Ruckman L, Saltzberg D, Seckel D, Schoorlemmer H, Stafford S, Stockham J, Stockham M, Strutt B, Tatem K, Varner GS, Vieregg AG, Walz D, Wissel SA, Wu F. Characteristics of Four Upward-Pointing Cosmic-Ray-like Events Observed with ANITA. Phys Rev Lett 2016; 117:071101. [PMID: 27563945 DOI: 10.1103/physrevlett.117.071101] [Citation(s) in RCA: 8] [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: 04/11/2016] [Indexed: 06/06/2023]
Abstract
We report on four radio-detected cosmic-ray (CR) or CR-like events observed with the Antarctic Impulsive Transient Antenna (ANITA), a NASA-sponsored long-duration balloon payload. Two of the four were previously identified as stratospheric CR air showers during the ANITA-I flight. A third stratospheric CR was detected during the ANITA-II flight. Here, we report on characteristics of these three unusual CR events, which develop nearly horizontally, 20-30 km above the surface of Earth. In addition, we report on a fourth steeply upward-pointing ANITA-I CR-like radio event which has characteristics consistent with a primary that emerged from the surface of the ice. This suggests a possible τ-lepton decay as the origin of this event, but such an interpretation would require significant suppression of the standard model τ-neutrino cross section.
Collapse
Affiliation(s)
- P W Gorham
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - J Nam
- Department of Physics, Graduate Institute of Astrophysics and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - A Romero-Wolf
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - S Hoover
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - P Allison
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
- Center for Cosmology and Particle Astrophysics, Ohio State University, Columbus, Ohio 43210, USA
| | - O Banerjee
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - J J Beatty
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
- Center for Cosmology and Particle Astrophysics, Ohio State University, Columbus, Ohio 43210, USA
| | - K Belov
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - D Z Besson
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
| | - W R Binns
- Department of Physics, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - V Bugaev
- Department of Physics, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - P Cao
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - C Chen
- Department of Physics, Graduate Institute of Astrophysics and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - P Chen
- Department of Physics, Graduate Institute of Astrophysics and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - J M Clem
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - A Connolly
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
- Center for Cosmology and Particle Astrophysics, Ohio State University, Columbus, Ohio 43210, USA
| | - B Dailey
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - C Deaconu
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - L Cremonesi
- Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - P F Dowkontt
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - M A DuVernois
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - R C Field
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - B D Fox
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - D Goldstein
- Department of Physics, University of California, Irvine, California 92697, USA
| | - J Gordon
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - C L Hebert
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - B Hill
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - K Hughes
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - R Hupe
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - M H Israel
- Department of Physics, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - A Javaid
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - J Kowalski
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - J Lam
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - J G Learned
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - K M Liewer
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - T C Liu
- Department of Physics, Graduate Institute of Astrophysics and Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - J T Link
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - E Lusczek
- School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - S Matsuno
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - B C Mercurio
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - C Miki
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - P Miočinović
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - M Mottram
- Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - K Mulrey
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - C J Naudet
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - J Ng
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - R J Nichol
- Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - K Palladino
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - B F Rauch
- Department of Physics, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - K Reil
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - J Roberts
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - M Rosen
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - B Rotter
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - J Russell
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - L Ruckman
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - D Saltzberg
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - D Seckel
- Department of Physics, University of Delaware, Newark, Delaware 19716, USA
| | - H Schoorlemmer
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - S Stafford
- Department of Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - J Stockham
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
| | - M Stockham
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
| | - B Strutt
- Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - K Tatem
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - G S Varner
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - A G Vieregg
- Department of Physics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - D Walz
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S A Wissel
- Physics Department, California Polytechnic State University, San Luis Obispo, California 93407, USA
| | - F Wu
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| |
Collapse
|
27
|
Belov K, Mulrey K, Romero-Wolf A, Wissel SA, Zilles A, Bechtol K, Borch K, Chen P, Clem J, Gorham PW, Hast C, Huege T, Hyneman R, Jobe K, Kuwatani K, Lam J, Liu TC, Nam J, Naudet C, Nichol RJ, Rauch BF, Rotter B, Saltzberg D, Schoorlemmer H, Seckel D, Strutt B, Vieregg AG, Williams C. Accelerator Measurements of Magnetically Induced Radio Emission from Particle Cascades with Applications to Cosmic-Ray Air Showers. Phys Rev Lett 2016; 116:141103. [PMID: 27104694 DOI: 10.1103/physrevlett.116.141103] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Indexed: 06/05/2023]
Abstract
For 50 years, cosmic-ray air showers have been detected by their radio emission. We present the first laboratory measurements that validate electrodynamics simulations used in air shower modeling. An experiment at SLAC provides a beam test of radio-frequency (rf) radiation from charged particle cascades in the presence of a magnetic field, a model system of a cosmic-ray air shower. This experiment provides a suite of controlled laboratory measurements to compare to particle-level simulations of rf emission, which are relied upon in ultrahigh-energy cosmic-ray air shower detection. We compare simulations to data for intensity, linearity with magnetic field, angular distribution, polarization, and spectral content. In particular, we confirm modern predictions that the magnetically induced emission in a dielectric forms a cone that peaks at the Cherenkov angle and show that the simulations reproduce the data within systematic uncertainties.
Collapse
Affiliation(s)
- K Belov
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - K Mulrey
- Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - A Romero-Wolf
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - S A Wissel
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
- Physics Department, California Polytechnic State University, San Luis Obispo, California 93407, USA
| | - A Zilles
- Institut für Experimentelle Kernphysik, Karlsruher Institut für Technologie, 76128 Karlsruhe, Germany
| | - K Bechtol
- Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - K Borch
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - P Chen
- Department of Physics, Graduate Institute of Astrophysics, Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - J Clem
- Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - P W Gorham
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - T Huege
- Institut für Kernphysik, Karlsruher Institut für Technologie, 76021 Karlsruhe, Germany
| | - R Hyneman
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
- Physics Department, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - K Jobe
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - K Kuwatani
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - J Lam
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - T C Liu
- Department of Physics, Graduate Institute of Astrophysics, Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - J Nam
- Department of Physics, Graduate Institute of Astrophysics, Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei 10617, Taiwan
| | - C Naudet
- Jet Propulsion Laboratory, Pasadena, California 91109, USA
| | - R J Nichol
- Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - B F Rauch
- Department of Physics, Washington University in St. Louis, St. Louis, Missouri 63130, USA
| | - B Rotter
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - D Saltzberg
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - H Schoorlemmer
- Department of Physics and Astronomy, University of Hawaii, Manoa, Hawaii 96822, USA
| | - D Seckel
- Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - B Strutt
- Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - A G Vieregg
- Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
- Department of Physics, Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - C Williams
- Department of Physics, Stanford University, Stanford, California 94305, USA
| |
Collapse
|
28
|
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.
Collapse
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
| |
Collapse
|
29
|
Lees J, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown D, Kerth L, Kolomensky Y, Lee M, Lynch G, Koch H, Schroeder T, Hearty C, Mattison T, McKenna J, So R, Khan A, Blinov V, Buzykaev A, Druzhinin V, Golubev V, Kravchenko E, Onuchin A, Serednyakov S, Skovpen Y, Solodov E, Todyshev K, Lankford A, Dey B, Gary J, Long O, Franco Sevilla M, Hong T, Kovalskyi D, Richman J, West C, Eisner A, Lockman W, Panduro Vazquez W, Schumm B, Seiden A, Chao D, Cheng C, Echenard B, Flood K, Hitlin D, Miyashita T, Ongmongkolkul P, Porter F, Röhrken M, Andreassen R, Huard Z, Meadows B, Pushpawela B, Sokoloff M, Sun L, Bloom P, Ford W, Gaz A, Smith J, Wagner S, Ayad R, Toki W, 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 I, Piccolo M, Zallo A, Contri R, Monge M, Passaggio S, Patrignani C, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker H, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan A, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz A, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange D, Wright D, Coleman J, Fry J, Gabathuler E, Hutchcroft D, Payne D, Touramanis C, Bevan A, Di Lodovico F, Sacco R, Cowan G, Brown D, Davis C, Denig A, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert K, Barlow R, Lafferty G, Cenci R, Hamilton B, Jawahery A, Roberts D, Cowan R, Cheaib R, Patel P, Robertson S, Neri N, Palombo F, Cremaldi L, Godang R, Summers D, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Raven G, Jessop C, LoSecco J, 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 G, 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 M, Lusiani A, Oberhof B, Paoloni E, Rama M, Rizzo G, Walsh J, Lopes Pegna D, Olsen J, Smith A, 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 E, Wilson F, Emery S, Vasseur G, Aston D, Bard D, Cartaro C, Convery M, Dorfan J, Dubois-Felsmann G, Dunwoodie W, Ebert M, Field R, Fulsom B, Graham M, Hast C, Innes W, Kim P, Leith D, Luitz S, Luth V, MacFarlane D, Muller D, Neal H, Pulliam T, Ratcliff B, Roodman A, Schindler R, Snyder A, Su D, Sullivan M, Va’vra J, Wisniewski W, Wulsin H, Purohit M, Wilson J, Randle-Conde A, Sekula S, Bellis M, Burchat P, Puccio E, Alam M, Ernst J, Gorodeisky R, Guttman N, Peimer D, Soffer A, Spanier S, Ritchie J, Schwitters R, Izen J, Lou X, 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 F, Choi H, King G, Kowalewski R, Lewczuk M, Lueck T, Nugent I, Roney J, Sobie R, Tasneem N, Gershon T, Harrison P, Latham T, Band H, Dasu S, Pan Y, Prepost R, Wu S. Collins asymmetries in inclusive chargedKKandKπpairs produced ine+e−annihilation. Int J Clin Exp Med 2015. [DOI: 10.1103/physrevd.92.111101] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
30
|
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.
Collapse
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
| |
Collapse
|
31
|
Weathersby SP, Brown G, Centurion M, Chase TF, Coffee R, Corbett J, Eichner JP, Frisch JC, Fry AR, Gühr M, Hartmann N, Hast C, Hettel R, Jobe RK, Jongewaard EN, Lewandowski JR, Li RK, Lindenberg AM, Makasyuk I, May JE, McCormick D, Nguyen MN, Reid AH, Shen X, Sokolowski-Tinten K, Vecchione T, Vetter SL, Wu J, Yang J, Dürr HA, Wang XJ. Mega-electron-volt ultrafast electron diffraction at SLAC National Accelerator Laboratory. Rev Sci Instrum 2015; 86:073702. [PMID: 26233391 DOI: 10.1063/1.4926994] [Citation(s) in RCA: 138] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Ultrafast electron probes are powerful tools, complementary to x-ray free-electron lasers, used to study structural dynamics in material, chemical, and biological sciences. High brightness, relativistic electron beams with femtosecond pulse duration can resolve details of the dynamic processes on atomic time and length scales. SLAC National Accelerator Laboratory recently launched the Ultrafast Electron Diffraction (UED) and microscopy Initiative aiming at developing the next generation ultrafast electron scattering instruments. As the first stage of the Initiative, a mega-electron-volt (MeV) UED system has been constructed and commissioned to serve ultrafast science experiments and instrumentation development. The system operates at 120-Hz repetition rate with outstanding performance. In this paper, we report on the SLAC MeV UED system and its performance, including the reciprocal space resolution, temporal resolution, and machine stability.
Collapse
Affiliation(s)
- S P Weathersby
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - G Brown
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - M Centurion
- University of Nebraska-Lincoln, 855 N 16th Street, Lincoln, Nebraska 68588, USA
| | - T F Chase
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - R Coffee
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - J Corbett
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - J P Eichner
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - J C Frisch
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - A R Fry
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - M Gühr
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - N Hartmann
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - C Hast
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - R Hettel
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - R K Jobe
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - E N Jongewaard
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - J R Lewandowski
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - R K Li
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - A M Lindenberg
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - I Makasyuk
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - J E May
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - D McCormick
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - M N Nguyen
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - A H Reid
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - X Shen
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | | | - T Vecchione
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - S L Vetter
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - J Wu
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - J Yang
- University of Nebraska-Lincoln, 855 N 16th Street, Lincoln, Nebraska 68588, USA
| | - H A Dürr
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - X J Wang
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| |
Collapse
|
32
|
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.
Collapse
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
| |
Collapse
|
33
|
Lees J, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown D, Kerth L, Kolomensky Y, Lee M, Lynch G, Koch H, Schroeder T, Hearty C, Mattison T, McKenna J, So R, Khan A, Blinov V, Buzykaev A, Druzhinin V, Golubev V, Kravchenko E, Onuchin A, Serednyakov S, Skovpen Y, Solodov E, Todyshev K, Lankford A, Dey B, Gary J, Long O, Franco Sevilla M, Hong T, Kovalskyi D, Richman J, West C, Eisner A, Lockman W, Panduro Vazquez W, Schumm B, Seiden A, Chao D, Cheng C, Echenard B, Flood K, Hitlin D, Miyashita T, Ongmongkolkul P, Porter F, Röhrken M, Andreassen R, Huard Z, Meadows B, Pushpawela B, Sokoloff M, Sun L, Bloom P, Ford W, Gaz A, Smith J, Wagner S, Ayad R, Toki W, 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 I, Piccolo M, Rama M, Zallo A, Contri R, Monge M, Passaggio S, Patrignani C, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker H, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan A, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz A, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange D, Wright D, Coleman J, Fry J, Gabathuler E, Hutchcroft D, Payne D, Touramanis C, Bevan A, Di Lodovico F, Sacco R, Cowan G, Brown D, Davis C, Denig A, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert K, Barlow R, Lafferty G, Cenci R, Hamilton B, Jawahery A, Roberts D, Cowan R, Cheaib R, Patel P, Robertson S, Neri N, Palombo F, Cremaldi L, Godang R, Summers D, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Raven G, Jessop C, LoSecco J, 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 G, 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 M, Lusiani A, Oberhof B, Paoloni E, Rizzo G, Walsh J, Lopes Pegna D, Olsen J, Smith A, 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 E, Wilson F, Emery S, Vasseur G, Aston D, Bard D, Cartaro C, Convery M, Dorfan J, Dubois-Felsmann G, Dunwoodie W, Ebert M, Field R, Fulsom B, Graham M, Hast C, Innes W, Kim P, Leith D, Lindemann D, Luitz S, Luth V, Lynch H, MacFarlane D, Muller D, Neal H, Perl M, Pulliam T, Ratcliff B, Roodman A, Schindler R, Snyder A, Su D, Sullivan M, Va’vra J, Wisniewski W, Wulsin H, Purohit M, Wilson J, Randle-Conde A, Sekula S, Bellis M, Burchat P, Puccio E, Alam M, Ernst J, Gorodeisky R, Guttman N, Peimer D, Soffer A, Spanier S, Ritchie J, Schwitters R, Izen J, Lou X, 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 F, Choi H, King G, Kowalewski R, Lewczuk M, Lueck T, Nugent I, Roney J, Sobie R, Tasneem N, Gershon T, Harrison P, Latham T, Band H, Dasu S, Pan Y, Prepost R, Wu S. Search for a light Higgs resonance in radiative decays of the ϒ(1S)with a charm tag. Int J Clin Exp Med 2015. [DOI: 10.1103/physrevd.91.071102] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
34
|
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.
Collapse
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
| |
Collapse
|
35
|
Lees J, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown D, Kerth L, Kolomensky Y, Lee M, Lynch G, Koch H, Schroeder T, Hearty C, Mattison T, McKenna J, So R, Khan A, Blinov V, Buzykaev A, Druzhinin V, Golubev V, Kravchenko E, Onuchin A, Serednyakov S, Skovpen Y, Solodov E, Todyshev K, Lankford A, Dey B, Gary J, Long O, Campagnari C, Franco Sevilla M, Hong T, Kovalskyi D, Richman J, West C, Eisner A, Lockman W, Panduro Vazquez W, Schumm B, Seiden A, Chao D, Cheng C, Echenard B, Flood K, Hitlin D, Miyashita T, Ongmongkolkul P, Porter F, Röhrken M, Andreassen R, Huard Z, Meadows B, Pushpawela B, Sokoloff M, Sun L, Bloom P, Ford W, Gaz A, Smith J, Wagner S, Ayad R, Toki W, 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 I, Piccolo M, Rama M, Zallo A, Contri R, Lo Vetere M, Monge M, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker H, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan A, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz A, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange D, Wright D, Coleman J, Fry J, Gabathuler E, Hutchcroft D, Payne D, Touramanis C, Bevan A, Di Lodovico F, Sacco R, Cowan G, Brown D, Davis C, Denig A, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert K, Barlow R, Lafferty G, Cenci R, Hamilton B, Jawahery A, Roberts D, Cowan R, Sciolla G, Cheaib R, Patel P, Robertson S, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers D, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop C, LoSecco J, 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 G, 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 M, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh J, Lopes Pegna D, Olsen J, Smith A, 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 E, Wilson F, Emery S, Vasseur G, Aston D, Bard D, Cartaro C, Convery M, Dorfan J, Dubois-Felsmann G, Dunwoodie W, Ebert M, Field R, Fulsom B, Graham M, Hast C, Innes W, Kim P, Leith D, Lindemann D, Luitz S, Luth V, Lynch H, MacFarlane D, Muller D, Neal H, Perl M, Pulliam T, Ratcliff B, Roodman A, Salnikov A, Schindler R, Snyder A, Su D, Sullivan M, Va’vra J, Wisniewski W, Wulsin H, Purohit M, White R, Wilson J, Randle-Conde A, Sekula S, Bellis M, Burchat P, Puccio E, Alam M, Ernst J, Gorodeisky R, Guttman N, Peimer D, Soffer A, Spanier S, Ritchie J, Schwitters R, Wray B, Izen J, Lou X, 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 F, Choi H, King G, Kowalewski R, Lewczuk M, Lueck T, Nugent I, Roney J, Sobie R, Tasneem N, Gershon T, Harrison P, Latham T, Band H, Dasu S, Pan Y, Prepost R, Wu S. Erratum: Measurement of the absolute branching fractions for Ds−→ℓ−ν¯ℓand extraction of the decay constant fDs[Phys. Rev. D 82, 091103(R) (2010)]. Int J Clin Exp Med 2015. [DOI: 10.1103/physrevd.91.019901] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
36
|
Lees J, Poireau V, Tisserand V, Grauges E, Palano A, Eigen G, Stugu B, Brown D, Kerth L, Kolomensky Y, Lee M, Lynch G, Koch H, Schroeder T, Hearty C, Mattison T, McKenna J, So R, Khan A, Blinov V, Buzykaev A, Druzhinin V, Golubev V, Kravchenko E, Onuchin A, Serednyakov S, Skovpen Y, Solodov E, Todyshev K, Lankford A, Mandelkern M, Dey B, Gary J, Long O, Campagnari C, Franco Sevilla M, Hong T, Kovalskyi D, Richman J, West C, Eisner A, Lockman W, Panduro Vazquez W, Schumm B, Seiden A, Chao D, Cheng C, Echenard B, Flood K, Hitlin D, Miyashita T, Ongmongkolkul P, Porter F, Röhrken M, Andreassen R, Huard Z, Meadows B, Pushpawela B, Sokoloff M, Sun L, Bloom P, Ford W, Gaz A, Smith J, Wagner S, Ayad R, Toki W, 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 I, Piccolo M, Rama M, Zallo A, Contri R, Lo Vetere M, Monge M, Passaggio S, Patrignani C, Robutti E, Bhuyan B, Prasad V, Adametz A, Uwer U, Lacker H, Mallik U, Chen C, Cochran J, Prell S, Ahmed H, Gritsan A, Arnaud N, Davier M, Derkach D, Grosdidier G, Le Diberder F, Lutz A, Malaescu B, Roudeau P, Stocchi A, Wormser G, Lange D, Wright D, Coleman J, Fry J, Gabathuler E, Hutchcroft D, Payne D, Touramanis C, Bevan A, Di Lodovico F, Sacco R, Cowan G, Bougher J, Brown D, Davis C, Denig A, Fritsch M, Gradl W, Griessinger K, Hafner A, Schubert K, Barlow R, Lafferty G, Cenci R, Hamilton B, Jawahery A, Roberts D, Cowan R, Sciolla G, Cheaib R, Patel P, Robertson S, Neri N, Palombo F, Cremaldi L, Godang R, Sonnek P, Summers D, Simard M, Taras P, De Nardo G, Onorato G, Sciacca C, Martinelli M, Raven G, Jessop C, LoSecco J, 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 G, 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 M, Lusiani A, Oberhof B, Paoloni E, Perez A, Rizzo G, Walsh J, Lopes Pegna D, Olsen J, Smith A, 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 E, Wilson F, Emery S, Vasseur G, Anulli F, Aston D, Bard D, Cartaro C, Convery M, Dorfan J, Dubois-Felsmann G, Dunwoodie W, Ebert M, Field R, Fulsom B, Graham M, Hast C, Innes W, Kim P, Leith D, Lewis P, Lindemann D, Luitz S, Luth V, Lynch H, MacFarlane D, Muller D, Neal H, Perl M, Pulliam T, Ratcliff B, Roodman A, Salnikov A, Schindler R, Snyder A, Su D, Sullivan M, Va’vra J, Wisniewski W, Wulsin H, Purohit M, White R, Wilson J, Randle-Conde A, Sekula S, Bellis M, Burchat P, Puccio E, Alam M, Ernst J, Gorodeisky R, Guttman N, Peimer D, Soffer A, Spanier S, Ritchie J, Schwitters R, Wray B, Izen J, Lou X, 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 F, Choi H, King G, Kowalewski R, Lewczuk M, Lueck T, McKeen D, Nugent I, Pospelov M, Roney J, Sobie R, Tasneem N, Gershon T, Harrison P, Latham T, Band H, Dasu S, Pan Y, Prepost R, Wu S. Search for newπ0-like particles produced in association with aτ-lepton pair. Int J Clin Exp Med 2014. [DOI: 10.1103/physrevd.90.112011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
37
|
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.
Collapse
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
| |
Collapse
|
38
|
Hemsing E, Dunning M, Hast C, Raubenheimer T, Xiang D. First characterization of coherent optical vortices from harmonic undulator radiation. Phys Rev Lett 2014; 113:134803. [PMID: 25302894 DOI: 10.1103/physrevlett.113.134803] [Citation(s) in RCA: 6] [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: 05/22/2014] [Indexed: 06/04/2023]
Abstract
We describe the experimental generation and measurement of coherent light that carries orbital angular momentum from a relativistic electron beam radiating at the second harmonic of a helical undulator. The measured helical phase of the light is shown to be in agreement with predictions of the sign and magnitude of the phase singularity and is more than 2 orders of magnitude greater than the incoherent signal. Our setup demonstrates that such optical vortices can be produced in modern free-electron lasers in a simple afterburner arrangement for novel two-mode pump-probe experiments.
Collapse
Affiliation(s)
- E Hemsing
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - M Dunning
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - T Raubenheimer
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - Dao Xiang
- Key Laboratory for Laser Plasmas (Ministry of Education), Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
| |
Collapse
|
39
|
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.
Collapse
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
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
40
|
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).
Collapse
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
| |
Collapse
|
41
|
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, Schumm BA, Seiden A, Chao DS, Cheng CH, Echenard B, Flood KT, Hitlin DG, Ongmongkolkul P, Porter FC, Andreassen R, Huard Z, Meadows BT, Pushpawela BG, Sokoloff MD, Sun L, Bloom PC, Ford WT, Gaz A, Nauenberg U, Smith JG, Wagner SR, Ayad R, Toki WH, Spaan B, 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, 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, Schubert K, 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, 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 a light Higgs boson decaying to two gluons orss¯in the radiative decays ofΥ(1S). Int J Clin Exp Med 2013. [DOI: 10.1103/physrevd.88.031701] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
42
|
Marinelli A, Hemsing E, Dunning M, Xiang D, Weathersby S, O'Shea F, Gadjev I, Hast C, Rosenzweig JB. Generation of coherent broadband photon pulses with a cascaded longitudinal space-charge amplifier. Phys Rev Lett 2013; 110:264802. [PMID: 23848882 DOI: 10.1103/physrevlett.110.264802] [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: 02/11/2013] [Indexed: 06/02/2023]
Abstract
The longitudinal space-charge amplifier has been recently proposed by Schneidmiller and Yurkov as an alternative to the free-electron laser instability for the generation of intense broadband radiation pulses [Phys. Rev. ST Accel. Beams 13, 110701 (2010)]. In this Letter, we report on the experimental demonstration of a cascaded longitudinal space-charge amplifier at optical wavelengths. Although seeded by electron beam shot noise, the strong compression of the electron beam along the three amplification stages leads to emission of coherent undulator radiation pulses exhibiting a single spectral spike and a single transverse mode. The on-axis gain is estimated to exceed 4 orders of magnitude with respect to spontaneous emission.
Collapse
Affiliation(s)
- A Marinelli
- Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095, USA.
| | | | | | | | | | | | | | | | | |
Collapse
|
43
|
Dunning M, Hemsing E, Hast C, Raubenheimer TO, Weathersby S, Xiang D, Fu F. Demonstration of cascaded optical inverse free-electron laser accelerator. Phys Rev Lett 2013; 110:244801. [PMID: 25165931 DOI: 10.1103/physrevlett.110.244801] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Indexed: 06/03/2023]
Abstract
We report on a proof-of-principle demonstration of a two-stage cascaded optical inverse free-electron laser (IFEL) accelerator in which an electron beam is accelerated by a strong laser pulse after being packed into optical microbunches by a weaker initial laser pulse. We show experimentally that injection of precisely prepared optical microbunches into an IFEL allows net acceleration or deceleration of the beam, depending on the relative phase of the two laser pulses. The experimental results are in excellent agreement with simulation. The demonstrated technique holds great promise to significantly improve the beam quality of IFELs and may have a strong impact on emerging laser accelerators driven by high-power optical lasers.
Collapse
Affiliation(s)
- M Dunning
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - E Hemsing
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - C Hast
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - T O Raubenheimer
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S Weathersby
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - D Xiang
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - F Fu
- Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China
| |
Collapse
|
44
|
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, 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, 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, Voß C, Waldi R, Adye T, Olaiya EO, Wilson FF, Emery S, Hamel de Monchenault G, Vasseur G, Yèeche 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, 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, 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. Publisher’s Note: Search for di-muon decays of a low-mass Higgs boson in radiative decays of theΥ(1S)[Phys. Rev. D87, 031102(R) (2013)]. Int J Clin Exp Med 2013. [DOI: 10.1103/physrevd.87.059903] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
45
|
Marinelli A, Dunning M, Weathersby S, Hemsing E, Xiang D, Andonian G, O'Shea F, Miao J, Hast C, Rosenzweig JB. Single-shot coherent diffraction imaging of microbunched relativistic electron beams for free-electron laser applications. Phys Rev Lett 2013; 110:094802. [PMID: 23496718 DOI: 10.1103/physrevlett.110.094802] [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: 07/12/2012] [Indexed: 06/01/2023]
Abstract
With the advent of coherent x rays provided by the x-ray free-electron laser (FEL), strong interest has been kindled in sophisticated diffraction imaging techniques. In this Letter, we exploit such techniques for the diagnosis of the density distribution of the intense electron beams typically utilized in an x-ray FEL itself. We have implemented this method by analyzing the far-field coherent transition radiation emitted by an inverse-FEL microbunched electron beam. This analysis utilizes an oversampling phase retrieval method on the transition radiation angular spectrum to reconstruct the transverse spatial distribution of the electron beam. This application of diffraction imaging represents a significant advance in electron beam physics, having critical applications to the diagnosis of high-brightness beams, as well as the collective microbunching instabilities afflicting these systems.
Collapse
Affiliation(s)
- A Marinelli
- Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095, USA
| | | | | | | | | | | | | | | | | | | |
Collapse
|
46
|
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. Measurement ofB(B→Xsγ), theB→Xsγphoton energy spectrum, and the directCPasymmetry inB→Xs+dγdecays. Int J Clin Exp Med 2012. [DOI: 10.1103/physrevd.86.112008] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
47
|
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.
Collapse
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
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
48
|
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.
Collapse
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
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
49
|
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.
Collapse
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
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
50
|
Dunning M, Hast C, Hemsing E, Jobe K, McCormick D, Nelson J, Raubenheimer TO, Soong K, Szalata Z, Walz D, Weathersby S, Xiang D. Generating periodic terahertz structures in a relativistic electron beam through frequency down-conversion of optical lasers. Phys Rev Lett 2012; 109:074801. [PMID: 23006375 DOI: 10.1103/physrevlett.109.074801] [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: 05/05/2012] [Indexed: 06/01/2023]
Abstract
We report generation of density modulation at terahertz (THz) frequencies in a relativistic electron beam through laser modulation of the beam longitudinal phase space. We show that by modulating the energy distribution of the beam with two lasers, density modulation at the difference frequency of the two lasers can be generated after the beam passes through a chicane. In this experiment, density modulation around 10 THz was generated by down-converting the frequencies of an 800 nm laser and a 1550 nm laser. The central frequency of the density modulation can be tuned by varying the laser wavelengths, beam energy chirp, or momentum compaction of the chicane. This technique can be applied to accelerator-based light sources for generation of coherent THz radiation and marks a significant advance toward tunable narrow band THz sources.
Collapse
Affiliation(s)
- M Dunning
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|