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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Csanád M, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Ganti MS, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Gutierrez TD, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Jiang H, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Khodyrev VY, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma R, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov DA, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Niida T, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Šumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Todoroki T, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zhang ZP, Żołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Erratum: Azimuthal Anisotropy at the Relativistic Heavy Ion Collider: The First and Fourth Harmonics [Phys. Rev. Lett. 92, 062301 (2004)]. Phys Rev Lett 2021; 127:069901. [PMID: 34420354 DOI: 10.1103/physrevlett.127.069901] [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: 05/27/2021] [Indexed: 06/13/2023]
Abstract
This corrects the article DOI: 10.1103/PhysRevLett.92.062301.
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Ke LT, Feng K, Wang WT, Qin ZY, Yu CH, Wu Y, Chen Y, Qi R, Zhang ZJ, Xu Y, Yang XJ, Leng YX, Liu JS, Li RX, Xu ZZ. Near-GeV Electron Beams at a Few Per-Mille Level from a Laser Wakefield Accelerator via Density-Tailored Plasma. Phys Rev Lett 2021; 126:214801. [PMID: 34114880 DOI: 10.1103/physrevlett.126.214801] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 03/18/2021] [Accepted: 04/28/2021] [Indexed: 06/12/2023]
Abstract
A simple, efficient scheme was developed to obtain near-gigaelectronvolt electron beams with energy spreads of few per-mille level in a single-stage laser wakefield accelerator. Longitudinal plasma density was tailored to control relativistic laser-beam evolution, resulting in injection, dechirping, and a quasi-phase-stable acceleration. With this scheme, electron beams with peak energies of 780-840 MeV, rms energy spreads of 2.4‰-4.1‰, charges of 8.5-23.6 pC, and rms divergences of 0.1-0.4 mrad were experimentally obtained. Quasi-three-dimensional particle-in-cell simulations agreed well with the experimental results. The dechirping strength was estimated to reach up to 11 TeV/mm/m, which is higher than previously obtained results. Such high-quality electron beams will boost the development of compact intense coherent radiation sources and x-ray free-electron lasers.
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Affiliation(s)
- L T Ke
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - K Feng
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - W T Wang
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - Z Y Qin
- Department of Physics, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - C H Yu
- Department of Physics, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - Y Wu
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - Y Chen
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - R Qi
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - Z J Zhang
- Department of Physics, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - Y Xu
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - X J Yang
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - Y X Leng
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
- School of Physical Science and Technology, Shanghai Tech University, Shanghai 200031, People's Republic of China
| | - J S Liu
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
- Department of Physics, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - R X Li
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
- School of Physical Science and Technology, Shanghai Tech University, Shanghai 200031, People's Republic of China
| | - Z Z Xu
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
- School of Physical Science and Technology, Shanghai Tech University, Shanghai 200031, People's Republic of China
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Alemanno F, An Q, Azzarello P, Barbato FCT, Bernardini P, Bi XJ, Cai MS, Catanzani E, Chang J, Chen DY, Chen JL, Chen ZF, Cui MY, Cui TS, Cui YX, Dai HT, D'Amone A, De Benedittis A, De Mitri I, de Palma F, Deliyergiyev M, Di Santo M, Dong TK, Dong ZX, Donvito G, Droz D, Duan JL, Duan KK, D'Urso D, Fan RR, Fan YZ, Fang K, Fang F, Feng CQ, Feng L, Fusco P, Gao M, Gargano F, Gong K, Gong YZ, Guo DY, Guo JH, Guo XL, Han SX, Hu YM, Huang GS, Huang XY, Huang YY, Ionica M, Jiang W, Kong J, Kotenko A, Kyratzis D, Lei SJ, Li S, Li WL, Li X, Li XQ, Liang YM, Liu CM, Liu H, Liu J, Liu SB, Liu WQ, Liu Y, Loparco F, Luo CN, Ma M, Ma PX, Ma T, Ma XY, Marsella G, Mazziotta MN, Mo D, Niu XY, Pan X, Parenti A, Peng WX, Peng XY, Perrina C, Qiao R, Rao JN, Ruina A, Salinas MM, Shang GZ, Shen WH, Shen ZQ, Shen ZT, Silveri L, Song JX, Stolpovskiy M, Su H, Su M, Sun ZY, Surdo A, Teng XJ, Tykhonov A, Wang H, Wang JZ, Wang LG, Wang S, Wang XL, Wang Y, Wang YF, Wang YZ, Wang ZM, Wei DM, Wei JJ, Wei YF, Wen SC, Wu D, Wu J, Wu LB, Wu SS, Wu X, Xia ZQ, Xu HT, Xu ZH, Xu ZL, Xu ZZ, Xue GF, Yang HB, Yang P, Yang YQ, Yao HJ, Yu YH, Yuan GW, Yuan Q, Yue C, Zang JJ, Zhang F, Zhang SX, Zhang WZ, Zhang Y, Zhang YJ, Zhang YL, Zhang YP, Zhang YQ, Zhang Z, Zhang ZY, Zhao C, Zhao HY, Zhao XF, Zhou CY, Zhu Y. Measurement of the Cosmic Ray Helium Energy Spectrum from 70 GeV to 80 TeV with the DAMPE Space Mission. Phys Rev Lett 2021; 126:201102. [PMID: 34110215 DOI: 10.1103/physrevlett.126.201102] [Citation(s) in RCA: 3] [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: 01/05/2021] [Revised: 03/25/2021] [Accepted: 04/06/2021] [Indexed: 06/12/2023]
Abstract
The measurement of the energy spectrum of cosmic ray helium nuclei from 70 GeV to 80 TeV using 4.5 years of data recorded by the Dark Matter Particle Explorer (DAMPE) is reported in this work. A hardening of the spectrum is observed at an energy of about 1.3 TeV, similar to previous observations. In addition, a spectral softening at about 34 TeV is revealed for the first time with large statistics and well controlled systematic uncertainties, with an overall significance of 4.3σ. The DAMPE spectral measurements of both cosmic protons and helium nuclei suggest a particle charge dependent softening energy, although with current uncertainties a dependence on the number of nucleons cannot be ruled out.
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Affiliation(s)
- F Alemanno
- Gran Sasso Science Institute (GSSI), Via Iacobucci 2, I-67100 L'Aquila, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Laboratori Nazionali del Gran Sasso, I-67100 Assergi, L'Aquila, Italy
| | - Q An
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - P Azzarello
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - F C T Barbato
- Gran Sasso Science Institute (GSSI), Via Iacobucci 2, I-67100 L'Aquila, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Laboratori Nazionali del Gran Sasso, I-67100 Assergi, L'Aquila, Italy
| | - P Bernardini
- Dipartimento di Matematica e Fisica E. De Giorgi, Università del Salento, I-73100 Lecce, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Lecce, I-73100 Lecce, Italy
| | - X J Bi
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
- University of Chinese Academy of Sciences, Yuquan Road 19A, Beijing 100049, China
| | - M S Cai
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - E Catanzani
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Perugia, I-06123 Perugia, Italy
| | - J Chang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - D Y Chen
- University of Chinese Academy of Sciences, Yuquan Road 19A, Beijing 100049, China
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - J L Chen
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - Z F Chen
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - M Y Cui
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - T S Cui
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - Y X Cui
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - H T Dai
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - A D'Amone
- Dipartimento di Matematica e Fisica E. De Giorgi, Università del Salento, I-73100 Lecce, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Lecce, I-73100 Lecce, Italy
| | - A De Benedittis
- Dipartimento di Matematica e Fisica E. De Giorgi, Università del Salento, I-73100 Lecce, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Lecce, I-73100 Lecce, Italy
| | - I De Mitri
- Gran Sasso Science Institute (GSSI), Via Iacobucci 2, I-67100 L'Aquila, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Laboratori Nazionali del Gran Sasso, I-67100 Assergi, L'Aquila, Italy
| | - F de Palma
- Dipartimento di Matematica e Fisica E. De Giorgi, Università del Salento, I-73100 Lecce, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Lecce, I-73100 Lecce, Italy
| | - M Deliyergiyev
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - M Di Santo
- Dipartimento di Matematica e Fisica E. De Giorgi, Università del Salento, I-73100 Lecce, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Lecce, I-73100 Lecce, Italy
| | - T K Dong
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - Z X Dong
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - G Donvito
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Bari, I-70125 Bari, Italy
| | - D Droz
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - J L Duan
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - K K Duan
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - D D'Urso
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Perugia, I-06123 Perugia, Italy
| | - R R Fan
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - Y Z Fan
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - K Fang
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - F Fang
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - C Q Feng
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - L Feng
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - P Fusco
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Bari, I-70125 Bari, Italy
- Dipartimento di Fisica "M. Merlin" dell'Università e del Politecnico di Bari, I-70126 Bari, Italy
| | - M Gao
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - F Gargano
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Bari, I-70125 Bari, Italy
| | - K Gong
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - Y Z Gong
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - D Y Guo
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - J H Guo
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - X L Guo
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - S X Han
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - Y M Hu
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - G S Huang
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - X Y Huang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - Y Y Huang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - M Ionica
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Perugia, I-06123 Perugia, Italy
| | - W Jiang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - J Kong
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - A Kotenko
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - D Kyratzis
- Gran Sasso Science Institute (GSSI), Via Iacobucci 2, I-67100 L'Aquila, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Laboratori Nazionali del Gran Sasso, I-67100 Assergi, L'Aquila, Italy
| | - S J Lei
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - S Li
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - W L Li
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - X Li
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - X Q Li
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - Y M Liang
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - C M Liu
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - H Liu
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - J Liu
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - S B Liu
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - W Q Liu
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - Y Liu
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - F Loparco
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Bari, I-70125 Bari, Italy
- Dipartimento di Fisica "M. Merlin" dell'Università e del Politecnico di Bari, I-70126 Bari, Italy
| | - C N Luo
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - M Ma
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - P X Ma
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - T Ma
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - X Y Ma
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - G Marsella
- Dipartimento di Matematica e Fisica E. De Giorgi, Università del Salento, I-73100 Lecce, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Lecce, I-73100 Lecce, Italy
| | - M N Mazziotta
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Bari, I-70125 Bari, Italy
| | - D Mo
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - X Y Niu
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - X Pan
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - A Parenti
- Gran Sasso Science Institute (GSSI), Via Iacobucci 2, I-67100 L'Aquila, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Laboratori Nazionali del Gran Sasso, I-67100 Assergi, L'Aquila, Italy
| | - W X Peng
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - X Y Peng
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - C Perrina
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - R Qiao
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - J N Rao
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - A Ruina
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - M M Salinas
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - G Z Shang
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - W H Shen
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - Z Q Shen
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - Z T Shen
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - L Silveri
- Gran Sasso Science Institute (GSSI), Via Iacobucci 2, I-67100 L'Aquila, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Laboratori Nazionali del Gran Sasso, I-67100 Assergi, L'Aquila, Italy
| | - J X Song
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - M Stolpovskiy
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - H Su
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - M Su
- Department of Physics and Laboratory for Space Research, the University of Hong Kong, Pok Fu Lam, Hong Kong SAR 999077, China
| | - Z Y Sun
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - A Surdo
- Istituto Nazionale di Fisica Nucleare (INFN)-Sezione di Lecce, I-73100 Lecce, Italy
| | - X J Teng
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - A Tykhonov
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - H Wang
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - J Z Wang
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - L G Wang
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - S Wang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - X L Wang
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - Y Wang
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - Y F Wang
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - Y Z Wang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - Z M Wang
- Gran Sasso Science Institute (GSSI), Via Iacobucci 2, I-67100 L'Aquila, Italy
- Istituto Nazionale di Fisica Nucleare (INFN)-Laboratori Nazionali del Gran Sasso, I-67100 Assergi, L'Aquila, Italy
| | - D M Wei
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - J J Wei
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - Y F Wei
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - S C Wen
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - D Wu
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - J Wu
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - L B Wu
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - S S Wu
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - X Wu
- Department of Nuclear and Particle Physics, University of Geneva, CH-1211 Geneva, Switzerland
| | - Z Q Xia
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - H T Xu
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - Z H Xu
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - Z L Xu
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - Z Z Xu
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - G F Xue
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - H B Yang
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - P Yang
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - Y Q Yang
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - H J Yao
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - Y H Yu
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - G W Yuan
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - Q Yuan
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
- School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
| | - C Yue
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - J J Zang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - F Zhang
- Institute of High Energy Physics, Chinese Academy of Sciences, Yuquan Road 19B, Beijing 100049, China
| | - S X Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - W Z Zhang
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - Y Zhang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - Y J Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - Y L Zhang
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - Y P Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - Y Q Zhang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - Z Zhang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China
| | - Z Y Zhang
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - C Zhao
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
- Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - H Y Zhao
- Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou 730000, China
| | - X F Zhao
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - C Y Zhou
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
| | - Y Zhu
- National Space Science Center, Chinese Academy of Sciences, Nanertiao 1, Zhongguancun, Haidian district, Beijing 100190, China
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4
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Chen YF, Huang ZY, Wang D, Zhao Y, Fu JH, Pang M, Leng YX, Xu ZZ. Single-scan, dual-functional interferometer for fast spatio-temporal characterization of few-cycle pulses. Opt Lett 2020; 45:5081-5084. [PMID: 32932458 DOI: 10.1364/ol.403575] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 08/19/2020] [Indexed: 06/11/2023]
Abstract
Accurate and fast characterization of spatio-temporal information of high-intensity, ultrashort pulses is crucial in the field of strong-field laser science and technology. While conventional self-referenced interferometers were widely used to retrieve the spatial profile of the relative spectral phase of pulses, additional measurements of temporal and spectral information at a particular position of the laser beam, however, were necessary to remove the indeterminacy, which increases the system complexity. Here we report an advanced, dual-functional interferometer that is able to reconstruct the complete spatio-temporal information of ultrashort pulses with a single scan of the interferometer arm. The setup integrates an interferometric frequency-resolved optical gating (FROG) with a radial shearing Michelson interferometer. Through scanning one arm of the interferometer, both the cross-correlated FROG trace at the central part of the laser beam and the delay-dependent interferograms of the entire laser profile are simultaneously obtained, allowing a fast three-dimensional reconstruction of few-cycle laser pulses.
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5
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Wang WP, Jiang C, Dong H, Lu XM, Li JF, Xu RJ, Sun YJ, Yu LH, Guo Z, Liang XY, Leng YX, Li RX, Xu ZZ. Hollow Plasma Acceleration Driven by a Relativistic Reflected Hollow Laser. Phys Rev Lett 2020; 125:034801. [PMID: 32745390 DOI: 10.1103/physrevlett.125.034801] [Citation(s) in RCA: 3] [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: 10/18/2019] [Revised: 06/21/2020] [Accepted: 06/30/2020] [Indexed: 06/11/2023]
Abstract
In order to address the present difficulty in experimentally generating the relativistic Laguerre-Gaussian laser, primarily due to damage caused to optical modulators, a high-reflectivity phase mirror is applied in the femtosecond petawatt laser system to generate a relativistic hollow laser at the highest intensity of 6.3×10^{19} W/cm^{2} for the first time. A simple optical model is used to verify that the vortex laser may be generated in this new scheme; using such a relativistic vortex laser, the hollow plasma drill and acceleration are achieved experimentally and proven by particle-in-cell simulations. With the development of the petawatt laser, this scheme opens up possibilities for the convenient production of the relativistic hollow laser at high repetition and possible hollow plasma acceleration, which is important for a wide range of applications such as the generation of radiation sources with orbital angular momentum, fast ignition for inertial confinement fusion, and jet research in the astrophysical environment.
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Affiliation(s)
- W P Wang
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - C Jiang
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - H Dong
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - X M Lu
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - J F Li
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - R J Xu
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - Y J Sun
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - L H Yu
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - Z Guo
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - X Y Liang
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - Y X Leng
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
| | - R X Li
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Z Z Xu
- State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China
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6
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Zhou F, Xu ZZ, Ji RJ, Ma L, Ke DQ, Liang H. [A clinical analysis of 32 patients with carotid web]. Zhonghua Nei Ke Za Zhi 2019; 58:599-601. [PMID: 31365983 DOI: 10.3760/cma.j.issn.0578-1426.2019.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Carotid web is a rare risk factor of ischemic stroke. A total of 32 (0.54%) patients with carotid web were finally diagnosed in 5 943 patients who underwent carotid computerized tomography angiography (CTA) in two hospitals. Only one patient received carotid endarterectomy that pathological findings were fibrous tissue hyperplasia of vascular wall with mucinous degeneration. Stent implantation was administrated in two cases. Among 13 asymptomatic patients, the observational follow-up period was (20.9±12.4) months without strokes. Carotid web is a rare aberration. Asymptomatic patients with carotid web are usually silent. Large sized cohort and long-term follow-up are further needed.
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Affiliation(s)
- F Zhou
- Department of Neurology, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China; Department of Neurology, Shaoxing Second Hospital, Shaoxing, Zhejiang 312000, China
| | - Z Z Xu
- Department of Neurology, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - R J Ji
- Department of Neurology, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - L Ma
- Department of Neurology, Shaoxing Second Hospital, Shaoxing, Zhejiang 312000, China
| | - D Q Ke
- Department of Neurology, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - H Liang
- Department of Neurology, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
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7
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Liu F, Cheng JL, Cui J, Xu ZZ, Fu Z, Liu J, Tian H. Surgical method choice and coincidence rate of pathological diagnoses in transduodenal ampullectomy: A retrospective case series study and review of the literature. World J Clin Cases 2019; 7:717-726. [PMID: 30968036 PMCID: PMC6448071 DOI: 10.12998/wjcc.v7.i6.717] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 01/23/2019] [Accepted: 02/26/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Transduodenal ampullectomy (TDA) is not in wide clinical use due to its low radical effect and a high recurrence rate of tumors. However, TDA is still an effective treatment method; it has great clinical value in cases of duodenal benign tumors, precancerous lesions, and benign and malignant borderline tumors, and can avoid the risks associated with pancreaticoduodenectomy with larger resection range and greater thoroughness than endoscopic papillectomy.
AIM To investigate the surgical method choice and the coincidence rate of pathological diagnoses in TDA for ampullary neoplasms.
METHODS Ten patients with ampullary neoplasms underwent TDA based on the fact that their endoscopic biopsy results suggested benign lesions, and the endoscopic ultrasound (EUS)-assessed tumors were resectable. All cases underwent duodenal ampullary lesion endoscopic biopsy, intraoperative frozen-section pathological examination, and postoperative pathological examination.
RESULTS This study included seven patients with benign tumors and three with malignant tumors (1 pTis, 2 pT1), according to the postoperative pathology results. The coincidence rate of the postoperative pathology results with the intraoperative frozen-section biopsy results was 100% (10/10), and the coincidence rate with the endoscopic biopsy results was 70% (7/10) based on pathological characteristics. The endoscopic biopsy false-negative rate was 30% (3/10). All patients were followed for 6 to 70 mo without tumor recurrence or metastasis.
CONCLUSION The coincidence rate of postoperative pathology results, intraoperative frozen-section pathology results, and endoscopic biopsy results is the restraining factor of TDA clinical application. Endoscopic biopsy results and EUS have importance relevance to surgical planning. Intraoperative frozen-section pathology results have a significant influence on the choice of surgical procedure.
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Affiliation(s)
- Feng Liu
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Jia-Lin Cheng
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
- Taishan Medical University, Tai’an 271016, Shandong Province, China
| | - Jing Cui
- Department of Pathology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Zong-Zhen Xu
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Zhen Fu
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Ju Liu
- Medical Research Center, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Hu Tian
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
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8
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Wang WP, Jiang C, Shen BF, Yuan F, Gan ZM, Zhang H, Zhai SH, Xu ZZ. New Optical Manipulation of Relativistic Vortex Cutter. Phys Rev Lett 2019; 122:024801. [PMID: 30720300 DOI: 10.1103/physrevlett.122.024801] [Citation(s) in RCA: 3] [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: 08/17/2018] [Indexed: 06/09/2023]
Abstract
A new relativistic vortex cutter driven by the Laguerre-Gaussian (LG) mode is carried out for the first time in three-dimensional particle-in-cell simulations. Studies show that the electric fields periodically concentrate and emanate within every laser wavelength for the reflected circularly polarized LG_{p}^{l} (p=0, l=1, σ_{z}=-1) laser, which works just like a vortex cutter, resulting in a relativistic ultrashort collimated electron cluster with a constant period in space. A single particle model is given and verifies that the cluster formation has a close relation with the parameters of orbital angular momentum (l) and spin angular momentum (σ_{z}). Such a relativistic vortex cutter potentially can be applied for the accelerator, generating high-flux particle and coherent radiation sources, and so on.
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Affiliation(s)
- W P Wang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - C Jiang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - B F Shen
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- Department of Physics, Shanghai Normal University, Shanghai 200234, China
| | - F Yuan
- Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China
| | - Z M Gan
- Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China
| | - H Zhang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - S H Zhai
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Z Z Xu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
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9
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Cheng JL, Cui J, Wang Y, Xu ZZ, Liu F, Liang SB, Tian H. Unicentric Castleman disease presenting as a retroperitoneal peripancreatic mass: A report of two cases and review of literature. World J Gastroenterol 2018; 24:3958-3964. [PMID: 30228787 PMCID: PMC6141333 DOI: 10.3748/wjg.v24.i34.3958] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Revised: 07/10/2018] [Accepted: 07/21/2018] [Indexed: 02/06/2023] Open
Abstract
Castleman disease (CD) is a rare disorder of lymph nodes and related tissues. CD generally occurs in the mediastinum, as well as in cervical, retroperitoneal and axillary regions. The disease is classified into two major types: unicentric CD (UCD) and multicentric CD. The occurrence of UCD in the retroperitoneal peripancreatic region is quite rare. We encountered two cases of retroperitoneal peripancreatic UCD in our hospital during the past three years. Following a series of medical examinations, including magnetic resonance imaging, computed tomography, ultrasonography and postoperative histopathological examination, these two patients were diagnosed with UCD, which presented as a retroperitoneal peripancreatic mass. The mass in each patient was completely excised, and no postoperative radiochemotherapy was administered. Both patients recovered well without recurrence during a follow-up period of 30 mo and 8 mo.
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Affiliation(s)
- Jia-Lin Cheng
- Taishan Medical University, Tai’an 271016, Shandong Province, China
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Jing Cui
- Department of Pathology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Yi Wang
- Department of Medical Imaging, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Zong-Zhen Xu
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Feng Liu
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Shu-Bin Liang
- Taishan Medical University, Tai’an 271016, Shandong Province, China
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Hu Tian
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
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10
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Zhang H, Shen BF, Wang WP, Zhai SH, Li SS, Lu XM, Li JF, Xu RJ, Wang XL, Liang XY, Leng YX, Li RX, Xu ZZ. Collisionless Shock Acceleration of High-Flux Quasimonoenergetic Proton Beams Driven by Circularly Polarized Laser Pulses. Phys Rev Lett 2017; 119:164801. [PMID: 29099228 DOI: 10.1103/physrevlett.119.164801] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Indexed: 06/07/2023]
Abstract
We present experimental studies on ion acceleration using an 800-nm circularly polarized laser pulse with a peak intensity of 6.9×10^{19} W/cm^{2} interacting with an overdense plasma that is produced by a laser prepulse ionizing an initially ultrathin plastic foil. The proton spectra exhibit spectral peaks at energies up to 9 MeV with energy spreads of 30% and fluxes as high as 3×10^{12} protons/MeV/sr. Two-dimensional particle-in-cell simulations reveal that collisionless shocks are efficiently launched by circularly polarized lasers in exploded plasmas, resulting in the acceleration of quasimonoenergetic proton beams. Furthermore, this scheme predicts the generation of quasimonoenergetic proton beams with peak energies of approximately 150 MeV using current laser technology, representing a significant step toward applications such as proton therapy.
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Affiliation(s)
- H Zhang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - B F Shen
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- Department of Physics, Shanghai Normal University, Shanghai 200234, China
- Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai 200240, China
| | - W P Wang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - S H Zhai
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - S S Li
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - X M Lu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - J F Li
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - R J Xu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - X L Wang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - X Y Liang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Y X Leng
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - R X Li
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Z Z Xu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai 200240, China
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Affiliation(s)
- ZZ Xu
- LIC, Private Bag 3016, Hamilton, 3240, New Zealand
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Wang WT, Li WT, Liu JS, Zhang ZJ, Qi R, Yu CH, Liu JQ, Fang M, Qin ZY, Wang C, Xu Y, Wu FX, Leng YX, Li RX, Xu ZZ. High-Brightness High-Energy Electron Beams from a Laser Wakefield Accelerator via Energy Chirp Control. Phys Rev Lett 2016; 117:124801. [PMID: 27689280 DOI: 10.1103/physrevlett.117.124801] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Indexed: 06/06/2023]
Abstract
By designing a structured gas density profile between the dual-stage gas jets to manipulate electron seeding and energy chirp reversal for compressing the energy spread, we have experimentally produced high-brightness high-energy electron beams from a cascaded laser wakefield accelerator with peak energies in the range of 200-600 MeV, 0.4%-1.2% rms energy spread, 10-80 pC charge, and ∼0.2 mrad rms divergence. The maximum six-dimensional brightness B_{6D,n} is estimated as ∼6.5×10^{15} A/m^{2}/0.1%, which is very close to the typical brightness of e beams from state-of-the-art linac drivers. These high-brightness high-energy e beams may lead to the realization of compact monoenergetic gamma-ray and intense coherent x-ray radiation sources.
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Affiliation(s)
- W T Wang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - W T Li
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - J S Liu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Z J Zhang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - R Qi
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - C H Yu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - J Q Liu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - M Fang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Z Y Qin
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - C Wang
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Y Xu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - F X Wu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Y X Leng
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - R X Li
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai 200240, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, China
| | - Z Z Xu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai 200240, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, China
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Wang LY, Xu ZZ, Zhang JJ, Sun ST, Li J, Yu XF, Zhu L, Zhang YQ, He Y, Li JC, Wang LL, Tao SY. [Topical voriconazole as an effective treatment for fungal keratitis]. Zhonghua Yan Ke Za Zhi 2016; 52:657-62. [PMID: 27647245 DOI: 10.3760/cma.j.issn.0412-4081.2016.09.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To evaluate the efficacy of topical voriconazole in patients with fungal keratitis caused by different fungal species. METHODS Interventional case series. Eighty-four patients aged 18 years or older from central China with confirmed fungal keratitis who presented at the outpatient department of Henan Eye Institute were enrolled in the study. The patients underwent in vivo confocal scanning laser microscopy examination, coneal scraping and microscopic examination and fungal culture, and then received topical voriconazole, closed curative effects were conducted. The sensitivity of three different diagnostic techniques, spectrum of the fungi, cure rate for fungal corneal infection related to each species were analyzed. RESULTS In our study, 84 patients were diagnosed with fungal keratitis based on clinical symptoms, and results of at least one of the examinations of in vivo confocal scanning laser microscopy, conventional smear, and corneal scraping culture and the sensitivity were 92.85%(78/84), 85.71%(72/84), 84.52%(71/84)respectively. In viro confocal scanning laser microscopy. Successful management was achieved in 83.33% of the patients. Topical voriconazole treatment failed in 14 patients(16.67%), who required surgical treatment. In 36 patients with Fusarium corneal infections, 26(72.22%)were successfully treated with topical voriconazole; however, in 18 patients with Aspergillus corneal infections and 7 patients with Alternaria corneal infections, 94.44% and 100.00% of them were successfully treated, respectively. In a case-based dynamic tracking study, in vivo confocal microscopy provided real-time dynamic detection of surviving hyphae. The existence of hyphae was(38.35±17.32)days for Fusarium,(25.00±16.11)days for Aspergillus,(21.00±4.36)days for Alternaria, and(41.50±31.68)days for the focus in the deep stroma. The duration of treatment was similar for all four groups. CONCLUSIONS Topical application of voriconazole is on effective method for the freatment of fungal keratitis Topical voriconazole is highly effective for fungal keratitis caused by Alternaria spp. and Aspergillus, however, for Fusarium, it is relatively low effective. (Chin J Ophthalmol, 2016, 52: 657-662).
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Affiliation(s)
- L Y Wang
- Henan Eye Institute, Henan Eye Hospital, People's Hospital of Zhengzhou University, Zhenzhou 450003, China
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Zhu LY, Chen X, Xu ZZ, Xu L, Mao T, Zhang H. Changes and clinical significance of peripheral blood helper T lymphocyte and natural killer (NK) cells in unexplained recurrent spontaneous abortion (URSA) patients after abortion and successful pregnancy . CLIN EXP OBSTET GYN 2015; 42:62-66. [PMID: 25864284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE This study aims to investigate the number changes and the clinical significance of the peripheral blood T lymphocyte subsets and NK (natural killer) cells in unexplained recurrent spontaneous abortion (URSA) patients before and after abortion, as well as after successful pregnancy. MATERIALS AND METHODS Thirty-nine URSA patients (URSA-abortion group), among who 22 patients were followed up until the final successful parturition (URSA-pregnancy group), 31 normal-pregnancy (NP) cases and 25 normal non-pregnancy (NNP) control cases in which the peripheral blood T lymphocytes and subsets, B cells, and NK cells were assessed flow cytometry. RESULTS Compared with the URSA-pregnancy group and the NP group, the Th cells and NK cells of the URSA-abortion group increased (p < 0.05); compared with the NNP group, the total number of T cells decreased after the first, second, and third month of the URSA abortion (p < 0.05); Th cells decreased within one to six months of the URSA abortion (p < 0.05); proportion of NK cells was significantly higher in URSA patients (p < 0.05). CONCLUSION The abnormal numbers of the peripheral blood T cell subsets and NK cells were related with the occurrence of URSA.
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Xu ZZ, Xiu P, Lv JW, Wang FH, Dong XF, Liu F, Li T, Li J. Integrin αvβ3 is required for cathepsin B-induced hepatocellular carcinoma progression. Mol Med Rep 2014; 11:3499-504. [PMID: 25572981 DOI: 10.3892/mmr.2014.3140] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Accepted: 08/14/2014] [Indexed: 11/05/2022] Open
Abstract
The cysteine protease cathepsin B (Cat B) is important in the progression of tumor cells, however, the function and molecular mechanisms of Cat B in hepatocellular carcinoma (HCC) remain to be elucidated. Our previous study demonstrated that integrin αvβ3 regulated the biological behavior of HCC. The present study demonstrated that Cat B was also important in cell proliferation and apoptosis in HCC. Notably, Cat B was observed to activate the phosphoinositide 3‑kinase (PI3K)/Akt signaling pathway to promote HCC proliferation. Furthermore, inhibition of integrin αvβ3 significantly prevented Cat B‑induced activation of PI3K/Akt and the progression of HCC. Thus, the results of the present study suggested the presence of a Cat B/integrin αvβ3/PI3K/Akt axis in the regulation of the progression of HCC.
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Affiliation(s)
- Zong-Zhen Xu
- Department of General Surgery, Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Peng Xiu
- Department of General Surgery, Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Ju-Wei Lv
- Department of General Surgery, Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Fu-Hai Wang
- Department of General Surgery, Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Xiao-Feng Dong
- Department of General Surgery, Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Feng Liu
- Department of General Surgery, Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Tao Li
- Department of General Surgery, Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Jie Li
- Department of General Surgery, Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
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Guo L, Han SS, Liu X, Cheng Y, Xu ZZ, Fan J, Chen J, Chen SG, Becker W, Blaga CI, DiChiara AD, Sistrunk E, Agostini P, DiMauro LF. Scaling of the low-energy structure in above-threshold ionization in the tunneling regime: theory and experiment. Phys Rev Lett 2013; 110:013001. [PMID: 23383786 DOI: 10.1103/physrevlett.110.013001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2012] [Indexed: 06/01/2023]
Abstract
A calculation of the second-order (rescattering) term in the S-matrix expansion of above-threshold ionization is presented for the case when the binding potential is the unscreened Coulomb potential. Technical problems related to the divergence of the Coulomb scattering amplitude are avoided in the theory by considering the depletion of the atomic ground state due to the applied laser field, which is well defined and does not require the introduction of a screening constant. We focus on the low-energy structure, which was observed in recent experiments with a midinfrared wavelength laser field. Both the spectra and, in particular, the observed scaling versus the Keldysh parameter and the ponderomotive energy are reproduced. The theory provides evidence that the origin of the structure lies in the long-range Coulomb interaction.
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Affiliation(s)
- L Guo
- Key Laboratory for Quantum Optics and Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
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Abstract
BACKGROUND There is increasing interest in RNA interference in pain research using the intrathecal route to deliver small-interfering RNA (siRNA). An interferon (IFN) response is a common side-effect of siRNA. However, the IFN response in the spinal cord after intrathecal administration of siRNA remains unknown. We hypothesized that high doses of siRNAs can elicit off-target analgesia via releasing IFN-α. We investigated the IFN response and its role in regulating pain sensitivity in the spinal cords after intrathecal administration of siRNAs. METHODS Male Sprague-Dawley rats were given intrathecal injections of non-targeting (NT) siRNAs or IFN-α and tested for complete Freund's adjuvant (CFA)-induced mechanical allodynia and heat hyperalgesia. IFN-α in the spinal cord after injection of NT siRNAs was measured by western blotting and immunohistochemical staining. RESULTS IFN-α was up-regulated in the spinal cord after intrathecal treatment of NT siRNAs. Intrathecal injection of NT siRNAs, at high doses of 10 or 20 μg, reduced CFA-induced inflammatory pain (P<0.05). Intrathecal application of IFN-α inhibited pain hypersensitivity in inflamed rats and produced analgesia in naïve rats (P<0.05). Notably, the anti-nociceptive effects elicited by NT siRNAs and IFN-α were reversed by IFN-α neutralizing antibody and naloxone. CONCLUSIONS Our data suggest that (i) intrathecal administration of high doses of siRNA (≥ 10 μg) induced up-regulation of IFN-α in the spinal cord and produced analgesic effects through IFN-α, and (ii) IFN-α's analgesic effect is mediated via opioid receptors. Caution must be taken to avoid IFN-α-mediated analgesic effects of siRNAs in pain research.
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Affiliation(s)
- P H Tan
- Department of Anesthesiology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA.
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Zhang Y, Jia TQ, Zhang SA, Feng DH, Xu ZZ. Dipole, quadrupole and octupole plasmon resonance modes in non-concentric nanocrescent/nanodisk structure: local field enhancement in the visible and near infrared regions. Opt Express 2012; 20:2924-2931. [PMID: 22330530 DOI: 10.1364/oe.20.002924] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
By deviating the nanodisk from the center in the silver nanocrescent/nanodisk structure, we find that the dipole, quadrupole and octupole modes can all induce very high local electric field enhancement (LFE, more than 750) for the coupling of nanocrescent and crescent gap modes, which makes the resonant wavelengths of the non-concentric nanostructures change from the visible to near infrared regions. In addition, the LFE factor of the quadrupole mode is more than 1000, which is suitable for single molecular detection by local surface enhanced spectroscopy.
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Affiliation(s)
- Y Zhang
- State Key Laboratory of Precision Spectroscopy, Department of Physics, East China Normal University, Shanghai 200062, China
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Ablikim M, Achasov MN, Alberto D, An Q, An ZH, Bai JZ, Baldini R, Ban Y, Becker J, Berger N, Bertani M, Bian JM, Bondarenko O, Boyko I, Briere RA, Bytev V, Cai X, Calcaterra AC, Cao GF, Cao XX, Chang JF, Chelkov G, Chen G, Chen HS, Chen JC, Chen ML, Chen SJ, Chen Y, Chen YB, Cheng HP, Chu YP, Cronin-Hennessy D, Dai HL, Dai JP, Dedovich D, Deng ZY, Denysenko I, Destefanis M, Ding Y, Dong LY, Dong MY, Du SX, Fan RR, Fang J, Fang SS, Feng CQ, Fu CD, Fu JL, Gao Y, Geng C, Goetzen K, Gong WX, Greco M, Grishin S, Gu MH, Gu YT, Guan YH, Guo AQ, Guo LB, Guo YP, Hao XQ, Harris FA, He KL, He M, He ZY, Heng YK, Hou ZL, Hu HM, Hu JF, Hu T, Huang B, Huang GM, Huang JS, Huang XT, Huang YP, Hussain T, Ji CS, Ji Q, Ji XB, Ji XL, Jia LK, Jiang LL, Jiang XS, Jiao JB, Jiao Z, Jin DP, Jin S, Jing FF, Kalantar-Nayestanaki N, Kavatsyuk M, Komamiya S, Kuehn W, Lange JS, Leung JKC, Li C, Li C, Li DM, Li F, Li G, Li HB, Li JC, Li K, Li L, Li NB, Li QJ, Li WD, Li WG, Li XL, Li XN, Li XQ, Li XR, Li ZB, Liang H, Liang YF, Liang YT, Liao XT, Liu BJ, Liu BJ, Liu CL, Liu CX, Liu CY, Liu FH, Liu F, Liu F, Liu GC, Liu H, Liu HB, Liu HH, Liu HM, Liu HW, Liu JP, Liu K, Liu K, Liu KY, Liu Q, Liu SB, Liu X, Liu XH, Liu YB, Liu YW, Liu Y, Liu ZA, Liu ZQ, Loehner H, Lu GR, Lu HJ, Lu JG, Lu QW, Lu XR, Lu YP, Luo CL, Luo MX, Luo T, Luo XL, Ma CL, Ma FC, Ma HL, Ma QM, Ma T, Ma X, Ma XY, Maggiora M, Malik QA, Mao H, Mao YJ, Mao ZP, Messchendorp JG, Min J, Mitchell RE, Mo XH, Muchnoi NY, Nefedov Y, Nikolaev IB, Ning Z, Olsen SL, Ouyang Q, Pacetti S, Pelizaeus M, Peters K, Ping JL, Ping RG, Poling R, Pun CSJ, Qi M, Qian S, Qiao CF, Qin XS, Qiu JF, Rashid KH, Rong G, Ruan XD, Sarantsev A, Schulze J, Shao M, Shen CP, Shen XY, Sheng HY, Shepherd MR, Song XY, Sonoda S, Spataro S, Spruck B, Sun DH, Sun GX, Sun JF, Sun SS, Sun XD, Sun YJ, Sun YZ, Sun ZJ, Sun ZT, Tang CJ, Tang X, Tian HL, Toth D, Varner GS, Wan X, Wang BQ, Wang K, Wang LL, Wang LS, Wang M, Wang P, Wang PL, Wang Q, Wang SG, Wang XL, Wang YD, Wang YF, Wang YQ, Wang Z, Wang ZG, Wang ZY, Wei DH, Wen QG, Wen SP, Wiedner U, Wu LH, Wu N, Wu W, Wu Z, Xiao ZJ, Xie YG, Xu GF, Xu GM, Xu H, Xu QJ, Xu XP, Xu Y, Xu ZR, Xu ZZ, Xue Z, Yan L, Yan WB, Yan YH, Yang HX, Yang M, Yang T, Yang Y, Yang YX, Ye M, Ye MH, Yu BX, Yu CX, Yu L, Yu SPY, Yuan CZ, Yuan WL, Yuan Y, Zafar AA, Zallo A, Zeng Y, Zhang BX, Zhang BY, Zhang CC, Zhang DH, Zhang HH, Zhang HY, Zhang J, Zhang JW, Zhang JY, Zhang JZ, Zhang L, Zhang SH, Zhang TR, Zhang XJ, Zhang XY, Zhang Y, Zhang YH, Zhang ZP, Zhang ZY, Zhao G, Zhao HS, Zhao J, Zhao J, Zhao L, Zhao L, Zhao MG, Zhao Q, Zhao SJ, Zhao TC, Zhao XH, Zhao YB, Zhao ZG, Zhao ZL, Zhemchugov A, Zheng B, Zheng JP, Zheng YH, Zheng ZP, Zhong B, Zhong J, Zhong L, Zhou L, Zhou XK, Zhou XR, Zhu C, Zhu K, Zhu KJ, Zhu SH, Zhu XL, Zhu XW, Zhu YS, Zhu ZA, Zhuang J, Zou BS, Zou JH, Zuo JX. ηπ+ π- resonant structure around 1.8 GeV/c(2) and η(1405) in J/ψ → ωηπ+ π-. Phys Rev Lett 2011; 107:182001. [PMID: 22107625 DOI: 10.1103/physrevlett.107.182001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2011] [Indexed: 05/31/2023]
Abstract
We present results of a study of the decay J/ψ → ωηπ+ π- using a sample of (225.2 ± 2.8) × 10(6) J/ψ events collected by the BESIII detector, and report the observation of a new process J/ψ → ωX(1870) with a statistical significance of 7.2σ, in which X(1870) decays to a(0)(±)(980)π±. Fitting to ηπ+ π- mass spectrum yields a mass M = 1877.3 ± 6.3(stat)(-7.4)(+3.4)(syst) MeV/c(2), a width Γ = 57 ± 12(stat)(-4)(+19)(syst) MeV/c(2), and a product branching fraction B(J/ψ → ωX) × B(X→a(0)(±)(980)π±) × B(a(0) (±)(980) → ηπ±) = [1.50 ± 0.26(stat)(-0.36)(+0.72) (syst)] × 10(-4). Signals for J/ψ → ωf(1)(1285) and J/ψ → ω η(1405) are also clearly observed and measured.
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Affiliation(s)
- M Ablikim
- Institute of High Energy Physics, Beijing 100049, China
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Ablikim M, Achasov MN, An L, An Q, An ZH, Bai JZ, Baldini R, Ban Y, Becker J, Berger N, Bertani M, Bian JM, Bondarenko O, Boyko I, Briere RA, Bytev V, Cai X, Cao GF, Cao XX, Chang JF, Chelkov G, Chen G, Chen HS, Chen JC, Chen ML, Chen SJ, Chen Y, Chen YB, Cheng HP, Chu YP, Cronin-Hennessy D, Dai HL, Dai JP, Dedovich D, Deng ZY, Denysenko I, Destefanis M, Ding Y, Dong LY, Dong MY, Du SX, Duan MY, Fan RR, Fang J, Fang SS, Feng CQ, Fu CD, Fu JL, Gao Y, Geng C, Goetzen K, Gong WX, Greco M, Grishin S, Gu MH, Gu YT, Guan YH, Guo AQ, Guo LB, Guo YP, Hao XQ, Harris FA, He KL, He M, He ZY, Heng YK, Hou ZL, Hu HM, Hu JF, Hu T, Huang B, Huang GM, Huang JS, Huang XT, Huang YP, Hussain T, Ji CS, Ji Q, Ji XB, Ji XL, Jia LK, Jiang LL, Jiang XS, Jiao JB, Jiao Z, Jin DP, Jin S, Jing FF, Kavatsyuk M, Komamiya S, Kuehn W, Lange JS, Leung JKC, Li C, Li C, Li DM, Li F, Li G, Li HB, Li JC, Li L, Li NB, Li QJ, Li WD, Li WG, Li XL, Li XN, Li XQ, Li XR, Li ZB, Liang H, Liang YF, Liang YT, Liao GR, Liao XT, Liu BJ, Liu BJ, Liu CL, Liu CX, Liu CY, Liu FH, Liu F, Liu F, Liu GC, Liu H, Liu HB, Liu HM, Liu HW, Liu JP, Liu K, Liu KY, Liu Q, Liu SB, Liu X, Liu XH, Liu YB, Liu YW, Liu Y, Liu ZA, Liu ZQ, Loehner H, Lu GR, Lu HJ, Lu JG, Lu QW, Lu XR, Lu YP, Luo CL, Luo MX, Luo T, Luo XL, Ma CL, Ma FC, Ma HL, Ma QM, Ma T, Ma X, Ma XY, Maggiora M, Malik QA, Mao H, Mao YJ, Mao ZP, Messchendorp JG, Min J, Mitchell RE, Mo XH, Muchnoi NY, Nefedov Y, Ning Z, Olsen SL, Ouyang Q, Pacetti S, Pelizaeus M, Peters K, Ping JL, Ping RG, Poling R, Pun CSJ, Qi M, Qian S, Qiao CF, Qin XS, Qiu JF, Rashid KH, Rong G, Ruan XD, Sarantsev A, Schulze J, Shao M, Shen CP, Shen XY, Sheng HY, Shepherd MR, Song XY, Sonoda S, Spataro S, Spruck B, Sun DH, Sun GX, Sun JF, Sun SS, Sun XD, Sun YJ, Sun YZ, Sun ZJ, Sun ZT, Tang CJ, Tang X, Tang XF, Tian HL, Toth D, Varner GS, Wan X, Wang BQ, Wang K, Wang LL, Wang LS, Wang M, Wang P, Wang PL, Wang Q, Wang SG, Wang XL, Wang YD, Wang YF, Wang YQ, Wang Z, Wang ZG, Wang ZY, Wei DH, Wen QG, Wen SP, Wiedner U, Wu LH, Wu N, Wu W, Wu Z, Xiao ZJ, Xie YG, Xu GF, Xu GM, Xu H, Xu Y, Xu ZR, Xu ZZ, Xue Z, Yan L, Yan WB, Yan YH, Yang HX, Yang M, Yang T, Yang Y, Yang YX, Ye M, Ye MH, Yu BX, Yu CX, Yu L, Yuan CZ, Yuan WL, Yuan Y, Zafar AA, Zallo A, Zeng Y, Zhang BX, Zhang BY, Zhang CC, Zhang DH, Zhang HH, Zhang HY, Zhang J, Zhang JW, Zhang JY, Zhang JZ, Zhang L, Zhang SH, Zhang TR, Zhang XJ, Zhang XY, Zhang Y, Zhang YH, Zhang ZP, Zhang ZY, Zhao G, Zhao HS, Zhao J, Zhao J, Zhao L, Zhao L, Zhao MG, Zhao Q, Zhao SJ, Zhao TC, Zhao XH, Zhao YB, Zhao ZG, Zhao ZL, Zhemchugov A, Zheng B, Zheng JP, Zheng YH, Zheng ZP, Zhong B, Zhong J, Zhong L, Zhou L, Zhou XK, Zhou XR, Zhu C, Zhu K, Zhu KJ, Zhu SH, Zhu XL, Zhu XW, Zhu YS, Zhu ZA, Zhuang J, Zou BS, Zou JH, Zuo JX, Zweber P. Observation of χ(c1) decays into vector meson pairs φφ, ωω, and ωφ. Phys Rev Lett 2011; 107:092001. [PMID: 21929228 DOI: 10.1103/physrevlett.107.092001] [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: 04/27/2011] [Indexed: 05/31/2023]
Abstract
Using (106±4)×10⁻⁶ ψ(3686) events accumulated with the BESIII detector at the BEPCII e⁺e⁻ collider, we present the first measurement of decays of χ(c1) to vector meson pairs φφ, ωω, and ωφ. The branching fractions are measured to be (4.4±0.3±0.5)×10⁻⁴, (6.0±0.3±0.7)×10⁻⁴, and (2.2±0.6±0.2)×10⁻⁵, for χ(c1)→φφ, ωω, and ωφ, respectively, which indicates that the hadron helicity selection rule is significantly violated in χ(cJ) decays. In addition, the measurement of χ(cJ)→ωφ provides the first indication of the rate of doubly OZI-suppressed χ(cJ) decay. Finally, we present improved measurements for the branching fractions of χ(c0) and χ(c2) to vector meson pairs.
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Affiliation(s)
- M Ablikim
- Institute of High Energy Physics, Beijing 100049, People's Republic of China
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Liu JS, Xia CQ, Wang WT, Lu HY, Wang C, Deng AH, Li WT, Zhang H, Liang XY, Leng YX, Lu XM, Wang C, Wang JZ, Nakajima K, Li RX, Xu ZZ. All-optical cascaded laser wakefield accelerator using ionization-induced injection. Phys Rev Lett 2011; 107:035001. [PMID: 21838367 DOI: 10.1103/physrevlett.107.035001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2011] [Indexed: 05/31/2023]
Abstract
We report on near-GeV electron beam generation from an all-optical cascaded laser wakefield accelerator (LWFA). Electron injection and acceleration are successfully separated and controlled in different LWFA stages by employing two gas cells filled with a He/O2 mixture and pure He gas, respectively. Electrons with a Maxwellian spectrum, generated from the first LWFA assisted by ionization-induced injection, were seeded into the second LWFA with a 3-mm-thick gas cell and accelerated to be a 0.8-GeV quasimonoenergetic electron beam, corresponding to an acceleration gradient of 187 GV/m. The demonstrated scheme paves the way towards the multi-GeV laser accelerators.
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Affiliation(s)
- J S Liu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
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Ablikim M, Achasov MN, An L, An Q, An ZH, Bai JZ, Baldini R, Ban Y, Becker J, Berger N, Bertani M, Bian JM, Boyko I, Briere RA, Bytev V, Cai X, Cao GF, Cao XX, Chang JF, Chelkov G, Chen G, Chen HS, Chen JC, Chen ML, Chen SJ, Chen Y, Chen YB, Cheng HP, Chu YP, Cronin-Hennessy D, Dai HL, Dai JP, Dedovich D, Deng ZY, Denysenko I, Destefanis M, Ding Y, Dong LY, Dong MY, Du SX, Duan MY, Fan RR, Fang J, Fang SS, Feldbauer F, Feng CQ, Fu CD, Fu JL, Gao Y, Geng C, Goetzen K, Gong WX, Greco M, Grishin S, Gu MH, Gu YT, Guan YH, Guo AQ, Guo LB, Guo YP, Hao XQ, Harris FA, He KL, He M, He ZY, Heng YK, Hou ZL, Hu HM, Hu JF, Hu T, Huang B, Huang GM, Huang JS, Huang XT, Huang YP, Hussain T, Ji CS, Ji Q, Ji XB, Ji XL, Jia LK, Jiang LL, Jiang XS, Jiao JB, Jiao Z, Jin DP, Jin S, Jing FF, Kavatsyuk M, Komamiya S, Kuehn W, Lange JS, Leung JKC, Li C, Li C, Li DM, Li F, Li G, Li HB, Li JC, Li L, Li NB, Li QJ, Li WD, Li WG, Li XL, Li XN, Li XQ, Li XR, Li ZB, Liang H, Liang YF, Liang YT, Liao GR, Liao XT, Liu BJ, Liu BJ, Liu CL, Liu CX, Liu CY, Liu FH, Liu F, Liu F, Liu GC, Liu H, Liu HB, Liu HM, Liu HW, Liu JP, Liu K, Liu KY, Liu Q, Liu SB, Liu X, Liu XH, Liu YB, Liu YW, Liu Y, Liu ZA, Liu ZQ, Loehner H, Lu GR, Lu HJ, Lu JG, Lu QW, Lu XR, Lu YP, Luo CL, Luo MX, Luo T, Luo XL, Ma CL, Ma FC, Ma HL, Ma QM, Ma T, Ma X, Ma XY, Maggiora M, Malik QA, Mao H, Mao YJ, Mao ZP, Messchendorp JG, Min J, Mitchell RE, Mo XH, Motzko C, Muchnoi NY, Nefedov Y, Ning Z, Olsen SL, Ouyang Q, Pacetti S, Pelizaeus M, Peters K, Ping JL, Ping RG, Poling R, Pun CSJ, Qi M, Qian S, Qiao CF, Qin XS, Qiu JF, Rashid KH, Rong G, Ruan XD, Sarantsev A, Schulze J, Shao M, Shen CP, Shen XY, Sheng HY, Shepherd MR, Song XY, Sonoda S, Spataro S, Spruck B, Sun DH, Sun GX, Sun JF, Sun SS, Sun XD, Sun YJ, Sun YZ, Sun ZJ, Sun ZT, Tang CJ, Tang X, Tang XF, Tian HL, Toth D, Varner GS, Wan X, Wang BQ, Wang K, Wang LL, Wang LS, Wang M, Wang P, Wang PL, Wang Q, Wang SG, Wang XL, Wang YD, Wang YF, Wang YQ, Wang Z, Wang ZG, Wang ZY, Wei DH, Wen SP, Wiedner U, Wu LH, Wu N, Wu W, Wu Z, Xiao ZJ, Xie YG, Xu GF, Xu GM, Xu H, Xu Y, Xu ZR, Xu ZZ, Xue Z, Yan L, Yan WB, Yan YH, Yang HX, Yang M, Yang T, Yang Y, Yang YX, Ye M, Ye MH, Yu BX, Yu CX, Yu L, Yuan CZ, Yuan WL, Yuan Y, Zafar AA, Zallo A, Zeng Y, Zhang BX, Zhang BY, Zhang CC, Zhang DH, Zhang HH, Zhang HY, Zhang J, Zhang JW, Zhang JY, Zhang JZ, Zhang L, Zhang SH, Zhang TR, Zhang XJ, Zhang XY, Zhang Y, Zhang YH, Zhang ZP, Zhang ZY, Zhao G, Zhao HS, Zhao J, Zhao J, Zhao L, Zhao L, Zhao MG, Zhao Q, Zhao SJ, Zhao TC, Zhao XH, Zhao YB, Zhao ZG, Zhao ZL, Zhemchugov A, Zheng B, Zheng JP, Zheng YH, Zheng ZP, Zhong B, Zhong J, Zhong L, Zhou L, Zhou XK, Zhou XR, Zhu C, Zhu K, Zhu KJ, Zhu SH, Zhu XL, Zhu XW, Zhu YS, Zhu ZA, Zhuang J, Zou BS, Zou JH, Zuo JX, Zweber P. Confirmation of the X(1835) and observation of the resonances X(2120) and X(2370) in J/ψ→γπ+π-η'. Phys Rev Lett 2011; 106:072002. [PMID: 21405509 DOI: 10.1103/physrevlett.106.072002] [Citation(s) in RCA: 16] [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: 12/16/2010] [Indexed: 05/30/2023]
Abstract
With a sample of (225.2±2.8)×10(6) J/ψ events registered in the BESIII detector, J/ψ→γπ(+)π(-)η(') is studied using two η(') decay modes: η(')→π(+)π(-)η and η(')→γρ(0). The X(1835), which was previously observed by BESII, is confirmed with a statistical significance that is larger than 20σ. In addition, in the π(+)π(-)η(') invariant-mass spectrum, the X(2120) and the X(2370), are observed with statistical significances larger than 7.2σ and 6.4σ, respectively. For the X(1835), the angular distribution of the radiative photon is consistent with expectations for a pseudoscalar.
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Affiliation(s)
- M Ablikim
- Institute of High Energy Physics, Beijing, PR China
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Ablikim M, Achasov MN, An L, An Q, An ZH, Bai JZ, Baldini R, Ban Y, Becker J, Berger N, Bertani M, Bian JM, Boyko I, Briere RA, Bytev V, Cai X, Cao GF, Cao XX, Chang JF, Chelkov G, Chen G, Chen HS, Chen JC, Chen ML, Chen SJ, Chen Y, Chen YB, Cheng HP, Chu YP, Cronin-Hennessy D, Dai HL, Dai JP, Dedovich D, Deng ZY, Denysenko I, Destefanis M, Ding Y, Dong LY, Dong MY, Du SX, Duan MY, Fan RR, Fang J, Fang SS, Feldbauer F, Feng CQ, Fu CD, Fu JL, Gao Y, Geng C, Goetzen K, Gong WX, Greco M, Grishin S, Gu MH, Gu YT, Guan YH, Guo AQ, Guo LB, Guo YP, Hao XQ, Harris FA, He KL, He M, He ZY, Heng YK, Hou ZL, Hu HM, Hu JF, Hu T, Huang B, Huang GM, Huang JS, Huang XT, Huang YP, Hussain T, Ji CS, Ji Q, Ji XB, Ji XL, Jia LK, Jiang LL, Jiang XS, Jiao JB, Jiao Z, Jin DP, Jin S, Jing FF, Kavatsyuk M, Komamiya S, Kuehn W, Lange JS, Leung JKC, Li C, Li C, Li DM, Li F, Li G, Li HB, Li JC, Li L, Li NB, Li QJ, Li WD, Li WG, Li XL, Li XN, Li XQ, Li XR, Li ZB, Liang H, Liang YF, Liang YT, Liao GR, Liao XT, Liu BJ, Liu BJ, Liu CL, Liu CX, Liu CY, Liu FH, Liu F, Liu F, Liu GC, Liu H, Liu HB, Liu HM, Liu HW, Liu JP, Liu K, Liu KY, Liu Q, Liu SB, Liu XH, Liu YB, Liu YW, Liu Y, Liu ZA, Liu ZQ, Loehner H, Lu GR, Lu HJ, Lu JG, Lu QW, Lu XR, Lu YP, Luo CL, Luo MX, Luo T, Luo XL, Ma CL, Ma FC, Ma HL, Ma QM, Ma T, Ma X, Ma XY, Maggiora M, Malik QA, Mao H, Mao YJ, Mao ZP, Messchendorp JG, Min J, Mitchell RE, Mo XH, Motzko C, Muchnoi NY, Nefedov Y, Ning Z, Olsen SL, Ouyang Q, Pacetti S, Pelizaeus M, Peters K, Ping JL, Ping RG, Poling R, Pun CSJ, Qi M, Qian S, Qiao CF, Qin XS, Qiu JF, Rashid KH, Rong G, Ruan XD, Sarantsev A, Schulze J, Shao M, Shen CP, Shen XY, Sheng HY, Shepherd MR, Song XY, Sonoda S, Spataro S, Spruck B, Sun DH, Sun GX, Sun JF, Sun SS, Sun XD, Sun YJ, Sun YZ, Sun ZJ, Sun ZT, Tang CJ, Tang X, Tang XF, Tian HL, Toth D, Varner GS, Wan X, Wang BQ, Wang K, Wang LL, Wang LS, Wang P, Wang PL, Wang Q, Wang SG, Wang XL, Wang YD, Wang YF, Wang YQ, Wang Z, Wang ZG, Wang ZY, Wei DH, Wen SP, Wiedner U, Wu LH, Wu N, Wu W, Wu Z, Xiao ZJ, Xie YG, Xu GF, Xu GM, Xu H, Xu Y, Xu ZR, Xu ZZ, Xue Z, Yan L, Yan WB, Yan YH, Yang HX, Yang M, Yang T, Yang Y, Yang YX, Ye M, Ye MH, Yu BX, Yu CX, Yu L, Yuan CZ, Yuan WL, Yuan Y, Zafar AA, Zallo A, Zeng Y, Zhang BX, Zhang BY, Zhang CC, Zhang DH, Zhang HH, Zhang HY, Zhang J, Zhang JW, Zhang JY, Zhang JZ, Zhang L, Zhang SH, Zhang TR, Zhang XJ, Zhang XY, Zhang Y, Zhang YH, Zhang ZP, Zhang ZY, Zhao G, Zhao HS, Zhao J, Zhao J, Zhao L, Zhao L, Zhao MG, Zhao Q, Zhao SJ, Zhao TC, Zhao XH, Zhao YB, Zhao ZG, Zhao ZL, Zhemchugov A, Zheng B, Zheng JP, Zheng YH, Zheng ZP, Zhong B, Zhong J, Zhong L, Zhou L, Zhou XK, Zhou XR, Zhu C, Zhu K, Zhu KJ, Zhu SH, Zhu XL, Zhu XW, Zhu YS, Zhu ZA, Zhuang J, Zou BS, Zou JH, Zuo JX, Zweber P. Evidence for ψ' decays into γπ0 and γη. Phys Rev Lett 2010; 105:261801. [PMID: 21231643 DOI: 10.1103/physrevlett.105.261801] [Citation(s) in RCA: 2] [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: 11/04/2010] [Indexed: 05/30/2023]
Abstract
The decays ψ'→γπ(0), γη and γη' are studied using data collected with the BESIII detector at the BEPCII e(+)e(-) collider. The processes ψ'→γπ(0) and ψ'→γη are observed for the first time with signal significances of 4.6σ and 4.3σ, respectively. The branching fractions are determined to be B(ψ'→γπ(0))=(1.58±0.40±0.13)×10(-6), B(ψ'→γη)=(1.38±0.48±0.09)×10(-6), and B(ψ'→γη')=(126±3±8)×10(-6), where the first errors are statistical and the second ones systematic.
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Affiliation(s)
- M Ablikim
- Institute of High Energy Physics, Beijing, People's Republic of China
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Lin JD, Zhang L, Xu ZZ, Xu LC. Research on burden of chronic diseases among rural-urban residents in Xuzhou. Public Health 2010; 124:345-9. [PMID: 20478607 DOI: 10.1016/j.puhe.2010.03.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2009] [Revised: 02/05/2010] [Accepted: 03/03/2010] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To investigate the burden of chronic diseases among rural-urban residents in Xuzhou, China. STUDY DESIGN Retrospective study. METHODS The mortality rates and standardized mortality rates of neoplasms, diabetes mellitus, ischaemic heart disease and cerebrovascular diseases were calculated for the 10 years from 1997 to 2006 in Xuzhou. The potential years of life lost, rate of life lost and standardized rate of life lost were calculated for each disease. Direct treatment costs were also analysed. RESULTS The age-standardized mortality rates of the four diseases were 150, 9, 78 and 96 per 100,000, respectively. The standardized rates of life lost among urban residents were 11.7, 0.8, 4.9 and 4.1 per thousand, respectively, and among rural residents were 15.0, 0.3, 2.9 and 2.8 per thousand, respectively. The total direct medical expenses, including outpatient and inpatient costs, was 6.07 hundred million Yuan. CONCLUSION Chronic diseases place a heavy burden on rural and urban residents in Xuzhou. A multidimensional and multidisciplinary health promotion and disease management plan is urgently needed to control these diseases.
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Affiliation(s)
- J D Lin
- Xuzhou Centres for Disease Control and Prevention, 142 West er-huan Road, Xuzhou, Jiangsu, 221006, China.
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Jia X, Jia TQ, Zhang Y, Xiong PX, Feng DH, Sun ZR, Qiu JR, Xu ZZ. Periodic nanoripples in the surface and subsurface layers in ZnO irradiated by femtosecond laser pulses. Opt Lett 2010; 35:1248-1250. [PMID: 20410982 DOI: 10.1364/ol.35.001248] [Citation(s) in RCA: 2] [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] [Indexed: 05/29/2023]
Abstract
We present the formation of periodic ripples in ZnO crystal irradiated by a wavelength-tunable femtosecond laser. The results indicate that in the surface thin layer, the periods change from 0.1 lambda to lambda with laser fluences and pulse numbers, and in the subsurface layer the periods are always lambda/2n, where n is the refractive index. The formation processes and mechanisms are also discussed.
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Affiliation(s)
- X Jia
- State Key Laboratory of Precision Spectroscopy, Department of Physics, East China Normal University,Shanghai 200062, China
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Ablikim M, Achasov MN, An L, An Q, An ZH, Bai JZ, Ban Y, Berger N, Bian JM, Boyko I, Briere RA, Bytev V, Cai X, Cao GF, Cao XX, Chang JF, Chelkov G, Chen G, Chen HS, Chen JC, Chen LP, Chen ML, Chen P, Chen SJ, Chen YB, Chu YP, Cronin-Hennessy D, Dai HL, Dai JP, Dedovich D, Deng ZY, Denysenko I, Destefanis M, Ding Y, Dong LY, Dong MY, Du SX, Duan MY, Fang J, Feng CQ, Fu CD, Fu JL, Gao Y, Geng C, Goetzen K, Gong WX, Greco M, Grishin S, Gu YT, Guo AQ, Guo LB, Guo YP, Han SQ, Harris FA, He KL, He M, He ZY, Heng YK, Hou ZL, Hu HM, Hu JF, Hu T, Hu XW, Huang B, Huang GM, Huang JS, Huang XT, Huang YP, Ji CS, Ji Q, Ji XB, Ji XL, Jia LK, Jiang LL, Jiang XS, Jiao JB, Jin DP, Jin S, Komamiya S, Kuehn W, Lange S, Leung JKC, Li C, Li C, Li DM, Li F, Li G, Li HB, Li J, Li JC, Li L, Li L, Li QJ, Li WD, Li WG, Li XL, Li XN, Li XQ, Li XR, Li YX, Li ZB, Liang H, Liang TR, Liang YT, Liang YF, Liao GR, Liao XT, Liu BJ, Liu CL, Liu CX, Liu CY, Liu FH, Liu F, Liu F, Liu GC, Liu H, Liu HB, Liu HM, Liu HW, Liu J, Liu JP, Liu K, Liu KY, Liu Q, Liu SB, Liu XH, Liu YB, Liu YF, Liu YW, Liu Y, Liu ZA, Lu GR, Lu JG, Lu QW, Lu XR, Lu YP, Luo CL, Luo MX, Luo T, Luo XL, Ma CL, Ma FC, Ma HL, Ma QM, Ma X, Ma XY, Maggiora M, Mao YJ, Mao ZP, Min J, Mo XH, Muchnoi NY, Nefedov Y, Ning FP, Olsen SL, Ouyang Q, Pelizaeus M, Peters K, Ping JL, Ping RG, Poling R, Pun CSJ, Qi M, Qian S, Qiao CF, Qiu JF, Rong G, Ruan XD, Sarantsev A, Shao M, Shen CP, Shen XY, Sheng HY, Sonoda S, Spataro S, Spruck B, Sun DH, Sun GX, Sun JF, Sun SS, Sun XD, Sun YJ, Sun YZ, Sun ZJ, Sun ZT, Tang CJ, Tang X, Tang XF, Tian HL, Toth D, Varner GS, Wan X, Wang BQ, Wang JK, Wang K, Wang LL, Wang LS, Wang P, Wang PL, Wang Q, Wang SG, Wang XD, Wang XL, Wang YD, Wang YF, Wang YQ, Wang Z, Wang ZG, Wang ZY, Wei DH, Wen SP, Wiedner U, Wu LH, Wu N, Wu W, Wu YM, Wu Z, Xiao ZJ, Xie YG, Xu GF, Xu GM, Xu H, Xu M, Xu M, Xu XP, Xu Y, Xu ZZ, Xue Z, Yan L, Yan WB, Yan YH, Yang HX, Yang M, Yang P, Yang SM, Yang YX, Ye M, Ye MH, Yu BX, Yu CX, Yu L, Yuan CZ, Yuan Y, Zeng Y, Zhang BX, Zhang BY, Zhang CC, Zhang DH, Zhang HH, Zhang HY, Zhang JW, Zhang JY, Zhang JZ, Zhang L, Zhang SH, Zhang XY, Zhang Y, Zhang YH, Zhang ZP, Zhao C, Zhao HS, Zhao J, Zhao J, Zhao L, Zhao L, Zhao MG, Zhao Q, Zhao SJ, Zhao TC, Zhao XH, Zhao YB, Zhao ZG, Zhemchugov A, Zheng B, Zheng JP, Zheng YH, Zheng ZP, Zhong B, Zhong J, Zhou L, Zhou ZL, Zhu C, Zhu K, Zhu KJ, Zhu QM, Zhu XW, Zhu YS, Zhu ZA, Zhuang J, Zou BS, Zou JH, Zuo JX, Zweber P. Measurements of h(c)(1P(1)) in psi' decays. Phys Rev Lett 2010; 104:132002. [PMID: 20481873 DOI: 10.1103/physrevlett.104.132002] [Citation(s) in RCA: 7] [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: 02/02/2010] [Indexed: 05/29/2023]
Abstract
We present measurements of the charmonium state h(c)(1P(1)) made with 106x10(6) psi' events collected by BESIII at BEPCII. Clear signals are observed for psi'-->pi0 h(c) with and without the subsequent radiative decay h(c)-->gamma eta(c). First measurements of the absolute branching ratios B(psi'-->pi0 h(c)) = (8.4+/-1.3+/-1.0) x 10(-4) and B(h(c)-->gamma eta(c)) = (54.3+/-6.7+/-5.2)% are presented. A statistics-limited determination of the previously unmeasured h(c) width leads to an upper limit Gamma(h(c))<1.44 MeV (90% confidence). Measurements of M(h(c)) = 3525.40+/-0.13+/-0.18 MeV/c2 and B(psi'-->pi0 h(c)) x B(h(c)-->gamma eta(c)) = (4.58+/-0.40+/-0.50) x 10(-4) are consistent with previous results.
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Affiliation(s)
- M Ablikim
- Institute of High Energy Physics, Beijing 100049, People's Republic of China
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27
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Quan W, Lin Z, Wu M, Kang H, Liu H, Liu X, Chen J, Liu J, He XT, Chen SG, Xiong H, Guo L, Xu H, Fu Y, Cheng Y, Xu ZZ. Classical aspects in above-threshold ionization with a midinfrared strong laser field. Phys Rev Lett 2009; 103:093001. [PMID: 19792794 DOI: 10.1103/physrevlett.103.093001] [Citation(s) in RCA: 14] [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: 01/05/2009] [Revised: 03/26/2009] [Indexed: 05/28/2023]
Abstract
We present high resolution photoelectron energy spectra of noble gas atoms from high intensity above-threshold ionization (ATI) at midinfrared wavelengths. An unexpected structure at the very low-energy portion of the spectra, in striking contrast to the prediction of the simple-man theory, has been revealed. A semiclassical model calculation is able to reproduce the experimental feature and suggests the prominent role of the Coulomb interaction of the outgoing electron with the parent ion in producing the peculiar structure in long wavelength ATI spectra.
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Affiliation(s)
- W Quan
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
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28
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Jia X, Jia TQ, Ding LE, Xiong PX, Deng L, Sun ZR, Wang ZG, Qiu JR, Xu ZZ. Complex periodic micro/nanostructures on 6H-SiC crystal induced by the interference of three femtosecond laser beams. Opt Lett 2009; 34:788-790. [PMID: 19282933 DOI: 10.1364/ol.34.000788] [Citation(s) in RCA: 5] [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] [Indexed: 05/27/2023]
Abstract
We reported three types of complex micro/nanostructures on 6H-SiC crystal induced by the interferences of three femtosecond laser beams by arranging three types of laser polarization combinations. The micro/nanostructures are composed of two parts: two-dimensional long-periodic micropatterns determined by the interferential intensity pattern and short-periodic nanopatterns determined by the interferential polarization pattern. Theoretical calculation indicates that the different polarization combinations will lead to a distinct complex interferential polarization pattern and intensity pattern, and they accord well with the experimental results.
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Affiliation(s)
- X Jia
- Department of Physics, State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai, China
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29
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Adams J, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Arkhipkin D, Averichev GS, Badyal SK, Bai Y, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellingeri-Laurikainen A, Bellwied R, Berger J, Bezverkhny BI, Bharadwaj S, Bhasin A, Bhati AK, Bhatia VS, Bichsel H, Bielcik J, Bielcikova J, Billmeier A, Bland LC, Blyth CO, Blyth SL, Bonner BE, Botje M, Boucham A, Bouchet J, Brandin AV, Bravar A, Bystersky M, Cadman RV, Cai XZ, Caines H, Sánchez MCDLB, Catu O, Cebra D, Chajecki Z, Chaloupka P, Chattopadhyay S, Chen HF, Chen JH, Chen Y, Cheng J, Cherney M, Chikanian A, Choi HA, Christie W, Coffin JP, Cormier TM, Cosentino MR, Cramer JG, Crawford HJ, Das D, Das S, Daugherity M, de Moura MM, Dedovich TG, Dephillips M, Derevschikov AA, Didenko L, Dietel T, Dogra SM, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Mazumdar MRD, Eckardt V, Edwards WR, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faivre J, Fatemi R, Fedorisin J, Filimonov K, Filip P, Finch E, Fine V, Fisyak Y, Fornazier KSF, Fox BD, Fu J, Gagliardi CA, Gaillard L, Gans J, Ganti MS, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Gorbunov YG, Gos H, Grachov O, Grebenyuk O, Grosnick D, Guertin SM, Guo Y, Gupta A, Gupta N, Gutierrez TD, Hallman TJ, Hamed A, Harris JW, Heinz M, Henry TW, Hepplemann S, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horner MJ, Huang HZ, Huang SL, Hughes EW, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Jiang H, Jones PG, Judd EG, Kabana S, Kang K, Kaplan M, Keane D, Kechechyan A, Khodyrev VY, Kim BC, Kiryluk J, Kisiel A, Kislov EM, Klein SR, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kowalik KL, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kutuev RK, Kuznetsov AA, Lamb R, Lamont MAC, Landgraf JM, Lange S, Laue F, Lauret J, Lebedev A, Lednicky R, Lee CH, Lehocka S, Levine MJ, Li C, Li Q, Li Y, Lin G, Lindenbaum SJ, Lisa MA, Liu F, Liu H, Liu J, Liu L, Liu QJ, Liu Z, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lu Y, Ludlam T, Lynn D, Ma GL, Ma JG, Ma YG, Magestro D, Mahajan S, Mahapatra DP, Majka R, Mangotra LK, Manweiler R, Margetis S, Markert C, Martin L, Marx JN, Matis HS, Matulenko YA, McClain CJ, McShane TS, Melnick Y, Meschanin A, Miller ML, Minaev NG, Mironov C, Mischke A, Mishra DK, Mitchell J, Mioduszewski S, Mohanty B, Molnar L, Moore CF, Morozov DA, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Netrakanti PK, Nikitin VA, Nogach LV, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Peitzmann T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Reinnarth J, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevskiy OV, Romero JL, Rose A, Roy C, Ruan L, Russcher MJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Sarsour M, Savin I, Sazhin PS, Schambach J, Scharenberg RP, Schmitz N, Schweda K, Seger J, Selyuzhenkov I, Seyboth P, Shabetai A, Shahaliev E, Shao M, Shao W, Sharma M, Shen WQ, Shestermanov KE, Shimanskiy SS, Sichtermann E, Simon F, Singaraju RN, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Speltz J, Spinka HM, Srivastava B, Stadnik A, Stanislaus TDS, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Suaide AAP, Sugarbaker E, Sumbera M, Surrow B, Swanger M, Symons TJM, de Toledo AS, Tai A, Takahashi J, Tang AH, Tarnowsky T, Thein D, Thomas JH, Timmins AR, Timoshenko S, Tokarev M, Trainor TA, Trentalange S, Tribble RE, Tsai OD, Ulery J, Ullrich T, Underwood DG, Buren GV, van der Kolk N, van Leeuwen M, Molen AMV, Varma R, Vasilevski IM, Vasiliev AN, Vernet R, Vigdor SE, Viyogi YP, Vokal S, Voloshin SA, Waggoner WT, Wang F, Wang G, Wang G, Wang XL, Wang Y, Wang Y, Wang ZM, Ward H, Watson JW, Webb JC, Westfall GD, Wetzler A, Whitten C, Wieman H, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu QH, Xu Z, Xu ZZ, Yepes P, Yoo IK, Yurevich VI, Zborovsky I, Zhang H, Zhang WM, Zhang Y, Zhang ZP, Zhong C, Zoulkarneev R, Zoulkarneeva Y, Zubarev AN, Zuo JX. Forward neutral pion production in p + p and d + Au collisions at square root sNN=200 GeV. Phys Rev Lett 2006; 97:152302. [PMID: 17155322 DOI: 10.1103/physrevlett.97.152302] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2006] [Indexed: 05/12/2023]
Abstract
Measurements of the production of forward pi0 mesons from p + p and d + Au collisions at square root sNN=200 GeV are reported. The p + p yield generally agrees with next-to-leading order perturbative QCD calculations. The d + Au yield per binary collision is suppressed as eta increases, decreasing to approximately 30% of the p + p yield at eta =4.00, well below shadowing expectations. Exploratory measurements of azimuthal correlations of the forward pi0 with charged hadrons at eta approximately 0 show a recoil peak in p + p that is suppressed in d + Au at low pion energy. These observations are qualitatively consistent with a saturation picture of the low-x gluon structure of heavy nuclei.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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30
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Deng YP, Zhu JB, Ji ZG, Liu JS, Shuai B, Li RX, Xu ZZ, Théberge F, Chin SL. Transverse evolution of a plasma channel in air induced by a femtosecond laser. Opt Lett 2006; 31:546-8. [PMID: 16496915 DOI: 10.1364/ol.31.000546] [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] [Indexed: 05/06/2023]
Abstract
We investigate the evolution of filamentation in air by using a longitudinal diffraction method and a plasma fluorescence imaging technique. The diameter of a single filament in which the intensity is clamped increases as the energy of the pump light pulse increases, until multiple filaments appear.
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Affiliation(s)
- Y P Deng
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China.
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31
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Ganti MS, Gaudichet L, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grebenyuk O, Gronstal S, Grosnick D, Guertin SM, Gupta A, Gutierrez TD, Hallman TJ, Hamed A, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Hughes E, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Jiang H, Johnson I, Jones PG, Judd EG, Kabana S, Kaplan M, Keane D, Khodyrev VY, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Levine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McClain CJ, McShane TS, Meissner F, Melnick Y, Meschanin A, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mischke A, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov DA, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Netrakanti PK, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Peitzmann T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seyboth P, Shahaliev E, Shao M, Shao W, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Speltz J, Spinka HM, Srivastava B, Stanislaus TDS, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Timoshenko S, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Tsai O, Ullrich T, Underwood DG, Van Buren G, Vandermolen AM, Varma R, Vasilevski I, Vasiliev AN, Vernet R, Vigdor SE, Viyogi YP, Voloshin SA, Vznuzdaev M, Waggoner W, Wang F, Wang G, Wang G, Wang XL, Wang Y, Wang ZM, Ward H, Watson JW, Webb JC, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Yuting B, Zanevski YV, Zhang H, Zhang WM, Zhang ZP, Zhaomin ZP, Zizong ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Distributions of charged hadrons associated with high transverse momentum particles in pp and Au+Au collisions at sqrt[sNN]=200 GeV. Phys Rev Lett 2005; 95:152301. [PMID: 16241721 DOI: 10.1103/physrevlett.95.152301] [Citation(s) in RCA: 12] [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: 01/20/2005] [Indexed: 05/05/2023]
Abstract
Charged hadrons in [EQUATION: SEE TEXT] associated with particles of [EQUATION: SEE TEXT] are reconstructed in pp and Au+Au collisions at sqrt[sNN]=200 GeV. The associated multiplicity and p magnitude sum are found to increase from pp to central Au+Au collisions. The associated p distributions, while similar in shape on the nearside, are significantly softened on the awayside in central Au+Au relative to pp and not much harder than that of inclusive hadrons. The results, consistent with jet quenching, suggest that the awayside fragments approach equilibration with the medium traversed.
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Affiliation(s)
- J Adams
- Argonne National Laboratory, IL 60439, USA
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Adams J, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Arkhipkin D, Averichev GS, Badyal SK, Bai Y, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellingeri-Laurikainen A, Bellwied R, Berger J, Bezverkhny BI, Bharadwaj S, Bhasin A, Bhati AK, Bhatia VS, Bichsel H, Bielcik J, Bielcikova J, Billmeier A, Bland LC, Blyth CO, Blyth SL, Bonner BE, Botje M, Boucham A, Bouchet J, Brandin AV, Bravar A, Bystersky M, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Castillo J, Catu O, Cebra D, Chajecki Z, Chaloupka P, Chattopadhyay S, Chen HF, Chen JH, Chen Y, Cheng J, Cherney M, Chikanian A, Christie W, Coffin JP, Cormier TM, Cosentino MR, Cramer JG, Crawford HJ, Das D, Das S, Daugherity M, de Moura MM, Dedovich TG, DePhillips M, Derevschikov AA, Didenko L, Dietel T, Dogra SM, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Mazumdar MR, Eckardt V, Edwards WR, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faivre J, Fatemi R, Fedorisin J, Filimonov K, Filip P, Finch E, Fine V, Fisyak Y, Fornazier KSF, Fu J, Gagliardi CA, Gaillard L, Gans J, Ganti MS, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Gos H, Grachov O, Grebenyuk O, Grosnick D, Guertin SM, Guo Y, Gupta A, Gupta N, Gutierrez TD, Hallman TJ, Hamed A, Hardtke D, Harris JW, Heinz M, Henry TW, Hepplemann S, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horner MJ, Huang HZ, Huang SL, Hughes EW, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Jedynak M, Jiang H, Jones PG, Judd EG, Kabana S, Kang K, Kaplan M, Keane D, Kechechyan A, Khodyrev VY, Kiryluk J, Kisiel A, Kislov EM, Klay J, Klein SR, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kowalik KL, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Laue F, Lauret J, Lebedev A, Lednicky R, Lehocka S, LeVine MJ, Li C, Li Q, Li Y, Lin G, Lindenbaum SJ, Lisa MA, Liu F, Liu H, Liu J, Liu L, Liu QJ, Liu Z, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lu Y, Ludlam T, Lynn D, Ma GL, Ma JG, Ma YG, Magestro D, Mahajan S, Mahapatra DP, Majka R, Mangotra LK, Manweiler R, Margetis S, Markert C, Martin L, Marx JN, Matis HS, Matulenko YA, McClain CJ, McShane TS, Meissner F, Melnick Y, Meschanin A, Miller ML, Minaev NG, Mironov C, Mischke A, Mishra DK, Mitchell J, Mohanty B, Molnar L, Moore CF, Morozov DA, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Netrakanti PK, Nikitin VA, Nogach LV, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Peitzmann T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Reinnarth J, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevskiy OV, Romero JL, Rose A, Roy C, Ruan L, Russcher M, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Sarsour M, Savin I, Sazhin PS, Schambach J, Scharenberg RP, Schmitz N, Schweda K, Seger J, Seyboth P, Shahaliev E, Shao M, Shao W, Sharma M, Shen WQ, Shestermanov KE, Shimanskiy SS, Sichtermann E, Simon F, Singaraju RN, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Speltz J, Spinka HM, Srivastava B, Stadnik A, Stanislaus TDS, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Swanger M, Symons TJM, Szanto de Toledo A, Tai A, Takahashi J, Tang AH, Tarnowsky T, Thein D, Thomas JH, Timmins AR, Timoshenko S, Tokarev M, Trentalange S, Tribble RE, Tsai OD, Ulery J, Ullrich T, Underwood DG, Van Buren G, van der Kolk N, van Leeuwen M, Vander Molen AM, Varma R, Vasilevski IM, Vasiliev AN, Vernet R, Vigdor SE, Viyogi YP, Vokal S, Voloshin SA, Waggoner WT, Wang F, Wang G, Wang G, Wang XL, Wang Y, Wang Y, Wang ZM, Ward H, Watson JW, Webb JC, Westfall GD, Wetzler A, Whitten C, Wieman H, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Zborovsky I, Zhang H, Zhang WM, Zhang Y, Zhang ZP, Zhong C, Zoulkarneev R, Zoulkarneeva Y, Zubarev AN, Zuo JX. Multistrange Baryon elliptic flow in Au+Au collisions at square root of sNN=200 GeV. Phys Rev Lett 2005; 95:122301. [PMID: 16197068 DOI: 10.1103/physrevlett.95.122301] [Citation(s) in RCA: 2] [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: 04/22/2005] [Indexed: 05/04/2023]
Abstract
We report on the first measurement of elliptic flow v2(pT) of multistrange baryons Xi- +Xi+ and Omega- + Omega+ in heavy-ion collisions. In minimum-bias Au+Au collisions at square root of s(NN)=200 GeV, a significant amount of elliptic flow, comparable to other nonstrange baryons, is observed for multistrange baryons which are expected to be particularly sensitive to the dynamics of the partonic stage of heavy-ion collisions. The pT dependence of v2 of the multistrange baryons confirms the number of constituent quark scaling previously observed for lighter hadrons. These results support the idea that a substantial fraction of the observed collective motion is developed at the early partonic stage in ultrarelativistic nuclear collisions at the Relativistic Heavy Ion Collider.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Arkhipkin D, Averichev GS, Badyal SK, Bai Y, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellingeri-Laurikainen A, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhasin A, Bhati AK, Bichsel H, Bielcik J, Bielcikova J, Billmeier A, Bland LC, Blyth CO, Blyth S, Bonner BE, Botje M, Boucham A, Bouchet J, Brandin AV, Bravar A, Bystersky M, Cadman RV, Cai XZ, Caines H, de la Barca Sánchez MC, Castillo J, Catu O, Cebra D, Chajecki Z, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Cheng J, Cherney M, Chikanian A, Christie W, Coffin JP, Cormier TM, Cosentino MR, Cramer JG, Crawford HJ, Das D, Das S, de Moura MM, Dedovich TG, Derevschikov AA, Didenko L, Dietel T, Dogra SM, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Mazumdar MRD, Eckardt V, Edwards WR, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faivre J, Fatemi R, Fedorisin J, Filimonov K, Filip P, Finch E, Fine V, Fisyak Y, Fornazier KSF, Fu J, Gagliardi CA, Gaillard L, Gans J, Ganti MS, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Gos H, Grachov O, Grebenyuk O, Grosnick D, Guertin SM, Guo Y, Gupta A, Gutierrez TD, Hallman TJ, Hamed A, Hardtke D, Harris JW, Heinz M, Henry TW, Hepplemann S, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horner M, Huang HZ, Huang SL, Hughes EW, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Jedynak M, Jiang H, Jones PG, Judd EG, Kabana S, Kang K, Kaplan M, Keane D, Kechechyan A, Khodyrev VY, Kiryluk J, Kisiel A, Kislov EM, Klay J, Klein SR, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kowalik KL, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Laue F, Lauret J, Lebedev A, Lednicky R, Lehocka S, Levine MJ, Li C, Li Q, Li Y, Lin G, Lindenbaum SJ, Lisa MA, Liu F, Liu H, Liu J, Liu L, Liu QJ, Liu Z, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lu Y, Ludlam T, Lynn D, Ma GL, Ma JG, Ma YG, Magestro D, Mahajan S, Mahapatra DP, Majka R, Mangotra LK, Manweiler R, Margetis S, Markert C, Martin L, Marx JN, Matis HS, Matulenko YA, McClain CJ, McShane TS, Meissner F, Melnick Y, Meschanin A, Miller ML, Minaev NG, Mironov C, Mischke A, Mishra DK, Mitchell J, Mohanty B, Molnar L, Moore CF, Morozov DA, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Netrakanti PK, Nikitin VA, Nogach LV, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Peitzmann T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Reinnarth J, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevskiy OV, Romero JL, Rose A, Roy C, Ruan L, Russcher MJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Sarsour M, Savin I, Sazhin PS, Schambach J, Scharenberg RP, Schmitz N, Schweda K, Seger J, Seyboth P, Shahaliev E, Shao M, Shao W, Sharma M, Shen WQ, Shestermanov KE, Shimanskiy SS, Sichtermann E, Simon F, Singaraju RN, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Speltz J, Spinka HM, Srivastava B, Stadnik A, Stanislaus TDS, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Swanger M, Symons TJM, de Toledo AS, Tai A, Takahashi J, Tang AH, Tarnowsky T, Thein D, Thomas JH, Timoshenko S, Tokarev M, Trainor TA, Trentalange S, Tribble RE, Tsai OD, Ulery J, Ullrich T, Underwood DG, Buren GV, van Leeuwen M, Molen AMV, Varma R, Vasilevski IM, Vasiliev AN, Vernet R, Vigdor SE, Viyogi YP, Vokal S, Voloshin SA, Waggoner WT, Wang F, Wang G, Wang G, Wang XL, Wang Y, Wang Y, Wang ZM, Ward H, Watson JW, Webb JC, Westfall GD, Wetzler A, Whitten C, Wieman H, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Zborovsky I, Zhang H, Zhang WM, Zhang Y, Zhang ZP, Zoulkarneev R, Zoulkarneeva Y, Zubarev AN. Multiplicity and pseudorapidity distributions of photons in Au+Au collisions at square root of (S(NN)) = 62.4 GeV. Phys Rev Lett 2005; 95:062301. [PMID: 16090941 DOI: 10.1103/physrevlett.95.062301] [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: 02/04/2005] [Revised: 04/12/2005] [Indexed: 05/03/2023]
Abstract
We present the first measurement of pseudorapidity distribution of photons in the region 2.3 < or = eta < or = 3.7 for different centralities in Au+Au collisions at square root of (S(NN)) = 62.4 GeV. We find that the photon yield scales with the number of participating nucleons at all collision centralities studied. The pseudorapidity distribution of photons, dominated by pi0 decays, has been compared to those of charged pions, photons, and inclusive charged particles from heavy-ion and nucleon-nucleon collisions at various energies. The photon production has been shown to be consistent with the energy and centrality independent limiting fragmentation scenario.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Abstract
AIM To compare the reproductive performance of heifers after oestrus synchronisation and fixed-time artificial insemination with non-synchronised heifers bred by herd sires. METHODS Heifers from 10 spring-calving herds were randomly divided into two groups by herd, breed and age. Heifers in one group (the synchronised group, n = 478) were synchronised with a combination of progesterone, oestradiol benzoate and PGF2alpha, and inseminated 50-54 hours after progesterone treatment. Returns to first service were resynchronised with progesterone treatment 16-21 days after the fixed-time artificial insemination. Heifers in the other group (the control group, n = 470) did not receive any treatment and were bred by herd sires. RESULTS The conception rate of synchronised heifers to the fixed-time artificial insemination was 51.2% and to the artificial insemination after resynchronisation 40.4%. The pregnancy rate at the end of the breeding season was lower (p<0.001) for the synchronised (92.9%) than for the control (97.2%) group. The interval from start of breeding to calving was earlier for synchronised (295.9 +/- 22.5 days, mean +/- s.d.) than for control (298.5 +/- 17.3 days) heifers. CONCLUSION Results from this study indicate that the oestrus synchronisation programme used in the present study can reduce reproductive performance by increasing the empty rate compared with natural mating.
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Affiliation(s)
- Z Z Xu
- Livestock Improvement Corporation Ltd, Private Bag 3016, Hamilton, New Zealand.
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Deng YP, Xie XH, Xiong H, Leng YX, Cheng CF, Lu HH, Li RX, Xu ZZ. Optical breakdown for silica and silicon with double femtosecond laser pulses. Opt Express 2005; 13:3096-3103. [PMID: 19495206 DOI: 10.1364/opex.13.003096] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The optical breakdown thresholds (OBTs) of typical dielectric and semiconductor materials are measured using double 40-fs laser pulses. By measuring the OBTs with different laser energy and different time delays between the two pulses, we found that the total energy of breakdown decrease for silica and increase for silicon with the increase of the first pulse energy.
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Adams J, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Arkhipkin D, Averichev GS, Badyal SK, Bai Y, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bharadwaj S, Bhasin A, Bhati AK, Bhatia VS, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin AV, Bravar A, Bystersky M, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Castillo J, Cebra D, Chajecki Z, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Cheng J, Cherney M, Chikanian A, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, de Moura MM, Derevschikov AA, Didenko L, Dietel T, Dogra SM, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Mazumdar MR, Eckardt V, Edwards WR, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faivre J, Fatemi R, Fedorisin J, Filimonov K, Filip P, Finch E, Fine V, Fisyak Y, Fomenko K, Fu J, Gagliardi CA, Gaillard L, Gans J, Ganti MS, Gaudichet L, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grebenyuk O, Grosnick D, Guertin SM, Guo Y, Gupta A, Gutierrez TD, Hallman TJ, Hamed A, Hardtke D, Harris JW, Heinz M, Henry TW, Hepplemann S, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Huang HZ, Huang SL, Hughes EW, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Jiang H, Jones PG, Judd EG, Kabana S, Kang K, Kaplan M, Keane D, Khodyrev VY, Kiryluk J, Kisiel A, Kislov EM, Klay J, Klein SR, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Laue F, Lauret J, Lebedev A, Lednicky R, Lehocka S, LeVine MJ, Li C, Li Q, Li Y, Lin G, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu QJ, Liu Z, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lu Y, Ludlam T, Lynn D, Ma GL, Ma JG, Ma YG, Magestro D, Mahajan S, Mahapatra DP, Majka R, Mangotra LK, Manweiler R, Margetis S, Markert C, Martin L, Marx JN, Matis HS, Matulenko YA, McClain CJ, McShane TS, Meissner F, Melnick Y, Meschanin A, Miller ML, Minaev NG, Mironov C, Mischke A, Mishra DK, Mitchell J, Mohanty B, Molnar L, Moore CF, Morozov DA, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Netrakanti PK, Nikitin VA, Nogach LV, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Peitzmann T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevskiy OV, Romero JL, Rose A, Roy C, Ruan L, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Sarsour M, Savin I, Sazhin PS, Schambach J, Scharenberg RP, Schmitz N, Schweda K, Seger J, Seyboth P, Shahaliev E, Shao M, Shao W, Sharma M, Shen WQ, Shestermanov KE, Shimanskiy SS, Sichtermann E, Simon F, Singaraju RN, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Speltz J, Spinka HM, Srivastava B, Stadnik A, Stanislaus TDS, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Tarnowsky T, Thein D, Thomas JH, Timoshenko S, Tokarev M, Trainor TA, Trentalange S, Tribble RE, Tsai OD, Ulery J, Ullrich T, Underwood DG, Urkinbaev A, Van Buren G, van Leeuwen M, Vander Molen AM, Varma R, Vasilevski IM, Vasiliev AN, Vernet R, Vigdor SE, Viyogi YP, Vokal S, Voloshin SA, Vznuzdaev M, Waggoner WT, Wang F, Wang G, Wang G, Wang XL, Wang Y, Wang Y, Wang ZM, Ward H, Watson JW, Webb JC, Wells R, Westfall GD, Wetzler A, Whitten C, Wieman H, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Zanevsky YV, Zhang H, Zhang WM, Zhang ZP, Zoulkarneev R, Zoulkarneeva Y, Zubarev AN. Open charm yields in d+Au collisions at squareroot[sNN]=200 GeV. Phys Rev Lett 2005; 94:062301. [PMID: 15783724 DOI: 10.1103/physrevlett.94.062301] [Citation(s) in RCA: 15] [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: 07/06/2004] [Indexed: 05/24/2023]
Abstract
Midrapidity open charm spectra from direct reconstruction of D0(D0)-->K-/+pi+/- in d+Au collisions and indirect electron-positron measurements via charm semileptonic decays in p+p and d+Au collisions at squareroot[sNN]=200 GeV are reported. The D0(D0) spectrum covers a transverse momentum (pT) range of 0.1<pT<3 GeV/c, whereas the electron spectra cover a range of 1<pT<4 GeV/c. The electron spectra show approximate binary collision scaling between p+p and d+Au collisions. From these two independent analyses, the differential cross section per nucleon-nucleon binary interaction at midrapidity for open charm production from d+Au collisions at BNL RHIC is dsigma(NN)cc/dy=0.30+/-0.04(stat)+/-0.09(syst) mb. The results are compared to theoretical calculations. Implications for charmonium results in A+A collisions are discussed.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Feng DH, Xu ZZ, Feng XL, Jia TQ, Li XX, Liu JS. Incoherent subharmonic light scattering in isotropic media. Spectrochim Acta A Mol Biomol Spectrosc 2005; 61:575-578. [PMID: 15649786 DOI: 10.1016/j.saa.2004.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2004] [Accepted: 05/07/2004] [Indexed: 05/24/2023]
Abstract
Incoherent subharmonic light scattering in isotropic media is a new kind of nonlinear light scattering, which involves single input photon and multiple output photons of equal frequency. We investigate theoretically the dependence of the subharmonic scattering intensity on the hyperpolarizability of molecules and the incident intensity using nonlinear optics theory similar to that used for Hyper-Rayleigh scattering and degenerate optical parametric oscillators. It is derived that the subharmonic scattering intensities grow exponentially or superexponentially with the hyperpolarizability of molecules and the incident intensity.
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Affiliation(s)
- D H Feng
- Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, PR China.
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Adams J, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Arkhipkin D, Averichev GS, Badyal SK, Bai Y, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bharadwaj S, Bhasin A, Bhati AK, Bhatia VS, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin AV, Bravar A, Bystersky M, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Cebra D, Chajecki Z, Chaloupka P, Chattopdhyay S, Chen HF, Chen Y, Cheng J, Cherney M, Chikanian A, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, de Moura MM, Derevschikov AA, Didenko L, Dietel T, Dogra SM, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Mazumdar MR, Eckardt V, Edwards WR, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faivre J, Fatemi R, Fedorisin J, Filimonov K, Filip P, Finch E, Fine V, Fisyak Y, Foley KJ, Fomenko K, Fu J, Gagliardi CA, Gans J, Ganti MS, Gaudichet L, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grebenyuk O, Grosnick D, Guertin SM, Guo Y, Gupta A, Gutierrez TD, Hallman TJ, Hamed A, Hardtke D, Harris JW, Heinz M, Henry TW, Hepplemann S, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Huang HZ, Huang SL, Hughes EW, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Jiang H, Jones PG, Judd EG, Kabana S, Kang K, Kaplan M, Keane D, Khodyrev VY, Kiryluk J, Kisiel A, Kislov EM, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Laue F, Lauret J, Lebedev A, Lednicky R, Lehocka S, LeVine MJ, Li C, Li Q, Li Y, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu QJ, Liu Z, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lu Y, Ludlam T, Lynn D, Ma GL, Ma JG, Ma YG, Magestro D, Mahajan S, Mahapatra DP, Majka R, Mangotra LK, Manweiler R, Margetis S, Markert C, Martin L, Marx JN, Matis HS, Matulenko YA, McClain CJ, McShane TS, Meissner F, Melnick Y, Meschanin A, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mischke A, Mishra DK, Mitchell J, Mohanty B, Molnar L, Moore CF, Morozov DA, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Netrakanti PK, Nikitin VA, Nogach LV, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Peitzmann T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevskiy OV, Romero JL, Rose A, Roy C, Ruan L, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Sazhin PS, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seyboth P, Shahaliev E, Shao M, Shao W, Sharma M, Shen WQ, Shestermanov KE, Shimanskiy SS, Sichtermann E, Simon F, Singaraju RN, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Speltz J, Spinka HM, Srivastava B, Stadnik A, Stanislaus TDS, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Tarnowsky T, Thein D, Thomas JH, Timoshenko S, Tokarev M, Trentalange S, Tribble RE, Tsai OD, Ulery J, Ullrich T, Underwood DG, Urkinbaev A, Van Buren G, van Leeuwen M, Vander Molen AM, Varma R, Vasilevski IM, Vasiliev AN, Vernet R, Vigdor SE, Viyogi YP, Vokal S, Voloshin SA, Vznuzdaev M, Waggoner WT, Wang F, Wang G, Wang G, Wang XL, Wang Y, Wang Y, Wang ZM, Ward H, Watson JW, Webb JC, Wells R, Westfall GD, Wetzler A, Whitten C, Wieman H, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Zanevsky YV, Zhang H, Zhang WM, Zhang ZP, Zolnierczuk PA, Zoulkarneev R, Zoulkarneeva Y, Zubarev AN. Azimuthal anisotropy and correlations at large transverse momenta in p + p and Au + Au collisions at square root sNN=200 GeV. Phys Rev Lett 2004; 93:252301. [PMID: 15697893 DOI: 10.1103/physrevlett.93.252301] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2004] [Indexed: 05/24/2023]
Abstract
Results on high transverse momentum charged particle emission with respect to the reaction plane are presented for Au + Au collisions at square root s(NN)=200 GeV. Two- and four-particle correlations results are presented as well as a comparison of azimuthal correlations in Au + Au collisions to those in p + p at the same energy. The elliptic anisotropy v(2) is found to reach its maximum at p(t) approximately 3 GeV/c, then decrease slowly and remain significant up to p(t) approximately 7-10 GeV/c. Stronger suppression is found in the back-to-back high-p(t) particle correlations for particles emitted out of plane compared to those emitted in plane. The centrality dependence of v(2) at intermediate p(t) is compared to simple models based on jet quenching.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, UK
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39
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Ganti MS, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Gutierrez TD, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Jiang H, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Khodyrev VY, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov DA, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Cross sections and transverse single-spin asymmetries in forward neutral-pion production from proton collisions at sqrt[s]=200 GeV. Phys Rev Lett 2004; 92:171801. [PMID: 15169138 DOI: 10.1103/physrevlett.92.171801] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2003] [Indexed: 05/24/2023]
Abstract
Measurements of the production of forward high-energy pi(0) mesons from transversely polarized proton collisions at sqrt[s]=200 GeV are reported. The cross section is generally consistent with next-to-leading order perturbative QCD calculations. The analyzing power is small at x(F) below about 0.3, and becomes positive and large at higher x(F), similar to the trend in data at sqrt[s]< or =20 GeV. The analyzing power is in qualitative agreement with perturbative QCD model expectations. This is the first significant spin result seen for particles produced with p(T)>1 GeV/c at a polarized proton collider.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Ganti MS, Gutierrez TD, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, de Toledo AS, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang HY, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Identified particle distributions in pp and Au+Au collisions at square root of (sNN)=200 GeV. Phys Rev Lett 2004; 92:112301. [PMID: 15089125 DOI: 10.1103/physrevlett.92.112301] [Citation(s) in RCA: 17] [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: 10/02/2003] [Indexed: 05/24/2023]
Abstract
Transverse mass and rapidity distributions for charged pions, charged kaons, protons, and antiprotons are reported for square root of [sNN]=200 GeV pp and Au+Au collisions at Relativistic Heary Ion Collider (RHIC). Chemical and kinetic equilibrium model fits to our data reveal strong radial flow and long duration from chemical to kinetic freeze-out in central Au+Au collisions. The chemical freeze-out temperature appears to be independent of initial conditions at RHIC energies.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Ganti MS, Gaudichet L, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grebenyuk O, Gronstal S, Grosnick D, Guertin SM, Gupta A, Gutierrez TD, Hallman TJ, Hamed A, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Hughes E, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Jiang H, Johnson I, Jones PG, Judd EG, Kabana S, Kaplan M, Keane D, Khodyrev VY, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McClain CJ, McShane TS, Meissner F, Melnick Y, Meschanin A, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mischke A, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov DA, Morozov V, De Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Netrakanti PK, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Peitzmann T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seyboth P, Shahaliev E, Shao M, Shao W, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Speltz J, Spinka HM, Srivastava B, Stanislaus TDS, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Timoshenko S, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Varma R, Vasilevski I, Vasiliev AN, Vernet R, Vigdor SE, Viyogi YP, Voloshin SA, Vznuzdaev M, Waggoner W, Wang F, Wang G, Wang G, Wang XL, Wang Y, Wang ZM, Ward H, Watson JW, Webb JC, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Yuting B, Zanevski YV, Zhang H, Zhang WM, Zhang ZP, Zhaomin ZP, Zizong ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Rho0 production and possible modification in Au+Au and p+p collisions at square root [sNN] = 200 GeV. Phys Rev Lett 2004; 92:092301. [PMID: 15089460 DOI: 10.1103/physrevlett.92.092301] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2003] [Indexed: 05/24/2023]
Abstract
We report results on rho(770)(0)-->pi(+)pi(-) production at midrapidity in p+p and peripheral Au+Au collisions at sqrt[s(NN)]=200 GeV. This is the first direct measurement of rho(770)(0)-->pi(+)pi(-) in heavy-ion collisions. The measured rho(0) peak in the invariant mass distribution is shifted by approximately 40 MeV/c(2) in minimum bias p+p interactions and approximately 70 MeV/c(2) in peripheral Au+Au collisions. The rho(0) mass shift is dependent on transverse momentum and multiplicity. The modification of the rho(0) meson mass, width, and shape due to phase space and dynamical effects are discussed.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Ganti MS, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Gutierrez TD, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Jiang H, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Khodyrev VY, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov DA, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, de Toledo AS, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Azimuthal anisotropy at the relativistic heavy ion collider: the first and fourth harmonics. Phys Rev Lett 2004; 92:062301. [PMID: 14995231 DOI: 10.1103/physrevlett.92.062301] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2003] [Indexed: 05/24/2023]
Abstract
We report the first observations of the first harmonic (directed flow, v(1)) and the fourth harmonic (v(4)), in the azimuthal distribution of particles with respect to the reaction plane in Au+Au collisions at the BNL Relativistic Heavy Ion Collider (RHIC). Both measurements were done taking advantage of the large elliptic flow (v(2)) generated at RHIC. From the correlation of v(2) with v(1) it is determined that v(2) is positive, or in-plane. The integrated v(4) is about a factor of 10 smaller than v(2). For the sixth (v(6)) and eighth (v(8)) harmonics upper limits on the magnitudes are reported.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong WJ, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Ganti MS, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Gutierrez TD, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Jiang H, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Khodyrev VY, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Kravtsov VI, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov DA, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Perkins C, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, de Toledo AS, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yamamoto E, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Particle-type dependence of azimuthal anisotropy and nuclear modification of particle production in Au+Au collisions at square root of sNN=200 GeV. Phys Rev Lett 2004; 92:052302. [PMID: 14995300 DOI: 10.1103/physrevlett.92.052302] [Citation(s) in RCA: 23] [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: 06/03/2003] [Indexed: 05/24/2023]
Abstract
We present STAR measurements of the azimuthal anisotropy parameter v(2) and the binary-collision scaled centrality ratio R(CP) for kaons and lambdas (Lambda+Lambda) at midrapidity in Au+Au collisions at square root of s(NN)=200 GeV. In combination, the v(2) and R(CP) particle-type dependencies contradict expectations from partonic energy loss followed by standard fragmentation in vacuum. We establish p(T) approximately 5 GeV/c as the value where the centrality dependent baryon enhancement ends. The K(0)(S) and Lambda+Lambda v(2) values are consistent with expectations of constituent-quark-number scaling from models of hadron formation by parton coalescence or recombination.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Ganti MS, Gutierrez TD, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Rykov V, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang HY, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Pion-Kaon correlations in central Au+Au collisions at square root [sNN] = 130 GeV. Phys Rev Lett 2003; 91:262302. [PMID: 14754044 DOI: 10.1103/physrevlett.91.262302] [Citation(s) in RCA: 2] [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: 07/30/2003] [Indexed: 05/24/2023]
Abstract
Pion-kaon correlation functions are constructed from central Au+Au STAR data taken at sqrt[s(NN)]=130 GeV by the STAR detector at the Relativistic Heavy Ion Collider (RHIC). The results suggest that pions and kaons are not emitted at the same average space-time point. Space-momentum correlations, i.e., transverse flow, lead to a space-time emission asymmetry of pions and kaons that is consistent with the data. This result provides new independent evidence that the system created at RHIC undergoes a collective transverse expansion.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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He X, Shuai B, Ge XC, Li RX, Xu ZZ. Phase dependence of relativistic electron dynamics and emission spectra in the superposition of an ultraintense laser field and a strong uniform magnetic field. Phys Rev E Stat Nonlin Soft Matter Phys 2003; 68:056501. [PMID: 14682898 DOI: 10.1103/physreve.68.056501] [Citation(s) in RCA: 5] [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: 05/13/2003] [Indexed: 11/07/2022]
Abstract
The phase dependence of the dynamics and emission spectra of a fully relativistic electron in the superposition of an ultraintense plane wave laser field and a strong uniform magnetic field has been investigated. It is found that the effect of changing the initial laser phase is quite different for circularly and linearly polarized laser fields. For circular polarization only the axis of the helical trajectory is changed with variation of the initial laser field phase. However, for linear polarization, the effect of changing the initial phase is opposite in the two parameter regions divided by the resonance condition r=1 (r stands for the ratio between the reduced cyclotron frequency and laser frequency). When r<1, with increase in the initial laser field phase eta(0) from 0 to pi/2, both the radius of the electron's helical trajectory and the height of the peak related to the uniform magnetic field are decreased, and these two physical values are increased with an increase in the laser initial phase when r>1. The phase dependence of the electron's energy and velocity components was also studied. Some beat structure is found when eta(0)=0 and this structure is absent when eta(0)=pi/2.
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Affiliation(s)
- Xinkui He
- Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, People's Republic of China
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong X, Draper JE, Drees KA, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Ganti MS, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Gutierrez TD, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Rykov V, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang HY, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Transverse-momentum and collision-energy dependence of high-pT hadron suppression in Au+Au collisions at ultrarelativistic energies. Phys Rev Lett 2003; 91:172302. [PMID: 14611336 DOI: 10.1103/physrevlett.91.172302] [Citation(s) in RCA: 67] [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: 05/21/2003] [Revised: 09/03/2003] [Indexed: 05/24/2023]
Abstract
We report high statistics measurements of inclusive charged hadron production in Au+Au and p+p collisions at sqrt[s(NN)]=200 GeV. A large, approximately constant hadron suppression is observed in central Au+Au collisions for 5<p(T)<12 GeV/c. The collision energy dependence of the yields and the centrality and p(T) dependence of the suppression provide stringent constraints on theoretical models of suppression. Models incorporating initial-state gluon saturation or partonic energy loss in dense matter are largely consistent with observations. We observe no evidence of p(T)-dependent suppression, which may be expected from models incorporating jet attenuation in cold nuclear matter or scattering of fragmentation hadrons.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Ganti MS, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Gutierrez TD, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Rykov V, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang HY, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Evidence from d+Au measurements for final-state suppression of high-p(T) hadrons in Au+Au collisions at RHIC. Phys Rev Lett 2003; 91:072304. [PMID: 12935009 DOI: 10.1103/physrevlett.91.072304] [Citation(s) in RCA: 35] [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: 06/18/2003] [Revised: 08/08/2003] [Indexed: 05/24/2023]
Abstract
We report measurements of single-particle inclusive spectra and two-particle azimuthal distributions of charged hadrons at high transverse momentum (high p(T)) in minimum bias and central d+Au collisions at sqrt[s(NN)]=200 GeV. The inclusive yield is enhanced in d+Au collisions relative to binary-scaled p+p collisions, while the two-particle azimuthal distributions are very similar to those observed in p+p collisions. These results demonstrate that the strong suppression of the inclusive yield and back-to-back correlations at high p(T) previously observed in central Au+Au collisions are due to final-state interactions with the dense medium generated in such collisions.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Abstract
New reproductive technologies include sexed sperm and embryo-based technologies. The technology of sperm sexing, for various reasons, is not available in New Zealand and its use has not been modelled. Embryo technologies are however already in use on a limited scale and various scenarios for their use in both the dairy and beef industries in New Zealand have been modelled. This review briefly discusses the various technologies available and some of their potential strengths and weaknesses. In the dairy industry, modelling has been used to simulate the production of breeding bulls for large breeding companies and the production of replacement heifers in dairy herds. For the beef industry, similar modelling has been carried out to determine the opportunities for more efficient beef production. All the models confirmed that at current levels of performance, embryo-based reproductive technologies are usually not profitable in New Zealand except in niche market situations where the returns from the resulting offspring are significantly greater than can be obtained from natural mating or artificial insemination (AI) reproduction systems. This is confirmed by the low uptake of these technologies in this country to date. Even if performance lifts to levels similar to AI, profitability is likely to occur only if the costs of pregnancies to embryo-based reproductive technologies can occur at prices less than two to four times greater than AI or natural mating. This break-even requirement depends on the returns that can be achieved and the advantages that can be captured by the technology over and above those available from AI or natural mating. Two new uses for reproductive technologies in dairy cattle could be the proliferation of novel or rare genotypes from gene discovery programs and improving the female reproductive rate for optimal marker assisted selection. In both these uses the technology is not at present competing with AI or natural mating. The challenge exists therefore for the biological scientists to satisfy these requirements, coupled with the ethical and human factors involved in the introduction of any new technology. Potential end users of the technologies have been surveyed. They are quite positive about the technologies provided they can use them profitably and are keen to obtain more information about them.
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Affiliation(s)
- D C Smeaton
- AgResearch Limited, Ruakura Research Centre, Private Bag 3123, Hamilton, New Zealand.
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Hanlon DW, Wichtel JJ, Xu ZZ, Burton LJ. The reproductive performance of anoestrous dairy cows following treatment with progesterone and oestradiol prior to the start of mating. N Z Vet J 2000; 48:136-43. [PMID: 16032140 DOI: 10.1080/00480169.2000.36180] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AIMS To determine the reproductive performance of cows diagnosed as anoestrus prior to the planned start of mating (PSM) when they were either treated when first diagnosed, or left untreated until 16 days after the PSM. METHODS A clinical trial was conducted during the 1996/97 and 1997/98 breeding seasons involving 823 anoestrous dairy cows in 14 herds. On Day -8 (PSM = Day 0), cows in one group (Treated) were each treated with an intravaginal device containing 1.9 g of progesterone (CIDR). The CIDR device was removed on Day -2, and on Day -1 each cow was injected intramuscularly with 1 mg oestradiol benzoate. Cows in the second group (Control) remained untreated at the time of first examination. All cows detected in oestrus after the PSM were mated by artificial insemination (AI) or a bull. Sixteen days after the PSM, all cows that had not been mated were presented for veterinary examination, and those which were still classified as anoestrus were treated with the previously described CIDR regimen. Pregnancy status and approximate date of conception were determined by palpation per rectum 10 -13 weeks after the PSM or 6 weeks after the end of the mating period. RESULTS Treatment of anoestrous cows 8 days before the PSM significantly increased the number of cows detected in oestrus (95.0% vs 63.1%; p<0.001) and conceiving (59.5% vs 38.8%; p<0.001) during the first 21 days of mating, and reduced the interval from PSM to conception by 7.5 days (p<0.001). There was no significant difference between the conception rate of cows mated following the CIDR treatment regimen compared to cows mated at their first spontaneous oestrus after calving (52.4% vs 58.3%; p = 0.143). CONCLUSION Diagnosis and treatment of anoestrous dairy cows prior to the start of mating significantly improves their reproductive performance under the seasonal mating conditions typical of spring-calving New Zealand dairy herds.
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Affiliation(s)
- D W Hanlon
- Matamata Veterinary Services Ltd, 26 Tainui St, Matamata, New Zealand.
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Xu ZZ, Verkerk GA, Mee JF, Morgan SR, Burke CR, Burton LJ. Progesterone and follicular changes in postpartum noncyclic dairy cows after treatment with progesterone and estradiol or with progesterone, GnRH, PGF2alpha, and estradiol. Theriogenology 2000; 54:273-82. [PMID: 11003307 DOI: 10.1016/s0093-691x(00)00347-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
A previous study showed that noncyclic dairy cows treated with 10 microg of GnRH and a progesterone-releasing CIDR insert on Day 0, 25 mg of PGF2alpha and CIDR removal on Day 7, followed by 1 mg estradiol benzoate on Day 9 for those cows that still had not shown estrus (CGPE program) had higher conception rate (47% vs. 29%) than cows treated only with CIDR and estradiol benzoate as above (CE program). This study was to investigate the mechanisms by which the CGPE program improved conception rate compared with the CE program. Sixteen noncyclic Holstein-Friesian cows were randomly assigned to 2 groups balanced for the size and growth pattern of the dominant follicles, which were determined by ultrasonography over a 3-d period. One group received the above CGPE treatment, and the other group received the CE treatment. Follicular and luteal development were monitored by daily ultrasonography. Blood samples were collected daily from Day -2 to Day 11, and thereafter milk samples were collected thrice weekly for a further 24 d. Blood and milk samples were analyzed for progesterone. The GnRH treatment induced ovulation in 7 of 8 cows, resulting in elevated (P<0.05) progesterone concentrations between Days 4 and 7 for cows in the CGPE group. All induced CL underwent luteolysis by 24 h after PGF2alpha treatment. Within 5 d of CIDR removal, 7 of 8 cows in both the CE and CGPE groups ovulated. The interval from emergence of the ovulatory follicle to ovulation was similar (P=0.32) but less (P<0.05) variable for the CGPE group (9.0+/-0.3 d) compared with the CE group (10.3+/-1.2 d). Progesterone concentration in milk samples was similar between the two groups up to 10 d after ovulation. In summary, the GnRH treatment induced ovulation or turnover of dominant follicles, induced a synchronized initiation of a new follicular wave, and increased the progesterone concentration from 4 d after treatment. These could be the reasons for the increased conception rate of cows treated with the CGPE program.
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Affiliation(s)
- Z Z Xu
- Livestock Improvement Corporation, Hamilton, New Zealand.
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