Measurement of quarkonium production in proton-lead and proton-proton collisions at 5.02 TeV with the ATLAS detector

被引:0
|
作者
Aaboud, M. [191 ,192 ]
Aad, G. [121 ,126 ]
Abbott, B. [156 ]
Abdallah, J. [11 ]
Abdinov, O. [15 ]
Abeloos, B. [160 ]
Abidi, S. H. [223 ]
AbouZeid, O. S. [195 ]
Abraham, N. L. [212 ]
Abramowicz, H. [216 ]
Abreu, H. [215 ]
Abreu, R. [159 ]
Abulaiti, Y. [207 ,208 ]
Acharya, B. S. [232 ,233 ]
Adachi, S. [218 ,219 ]
Adamczyk, L. [64 ]
Adelman, J. [151 ]
Adersberger, M. [141 ]
Adye, T. [181 ]
Affolder, A. A. [195 ]
Agatonovic-Jovin, T. [17 ]
Agheorghiesei, C. [40 ]
Aguilar-Saavedra, J. A. [171 ,176 ]
Ahlen, S. P.
Ahmadov, F.
Aielli, G. [184 ,185 ]
Akatsuka, S.
Akerstedt, H. [207 ,208 ]
Akesson, T. P. A. [122 ]
Akimov, A. V. [137 ]
Alberghi, G. L. [28 ,29 ]
Albert, J. [239 ]
Verzini, M. J. Alconada [107 ,108 ]
Aleksa, M. [46 ]
Aleksandrov, I. N. [100 ]
Alexa, C. [39 ]
Alexander, G. [216 ]
Alexopoulos, T. [13 ]
Alhroob, M. [156 ]
Ali, B. [178 ]
Aliev, M. [110 ,111 ]
Alimonti, G. [132 ]
Alison, J. [47 ]
Alkire, S. P. [60 ]
Allbrooke, B. M. M. [212 ]
Allen, B. W. [159 ]
Allport, P. P. [22 ]
Aloisio, A. [33 ,146 ,147 ,178 ]
Alonso, A. [28 ,61 ]
Alonso, F. [107 ,108 ]
机构
[1] Univ Adelaide, Dept Phys, Adelaide, SA, Australia
[2] SUNY Albany, Phys Dept, Albany, NY 12222 USA
[3] Univ Alberta, Dept Phys, Edmonton, AB, Canada
[4] Ankara Univ, Dept Phys, Ankara, Turkey
[5] Istanbul Aydin Univ, Istanbul, Turkey
[6] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey
[7] CNRS, IN2P3, LAPP, Annecy Le Vieux, France
[8] Univ Savoie Mt Blanc, Annecy Le Vieux, France
[9] Argonne Natl Lab, High Energy Phys Div, 9700 S Cass Ave, Argonne, IL 60439 USA
[10] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
[11] Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA
[12] Natl & Kapodistrian Univ Athens, Phys Dept, Athens, Greece
[13] Natl Tech Univ Athens, Phys Dept, Zografos, Greece
[14] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA
[15] Azerbaijan Acad Sci, Inst Phys, Baku, Azerbaijan
[16] Barcelona Inst Sci & Technol, IFAE, Barcelona, Spain
[17] Univ Belgrade, Inst Phys, Belgrade, Serbia
[18] Univ Bergen, Dept Phys & Technol, Bergen, Norway
[19] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Div, Berkeley, CA 94720 USA
[20] Humboldt Univ, Dept Phys, Berlin, Germany
[21] Univ Bern, Lab High Energy Phys, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland
[22] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England
[23] Bogazici Univ, Dept Phys, Istanbul, Turkey
[24] Gaziantep Univ, Dept Engn Phys, Gaziantep, Turkey
[25] Istanbul Bilgi Univ, Fac Engn & Nat Sci, Istanbul, Turkey
[26] Bahcesehir Univ, Fac Engn & Nat Sci, Istanbul, Turkey
[27] Univ Antonio Narino, Ctr Invest, Bogota, Colombia
[28] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy
[29] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy
[30] Univ Bonn, Phys Inst, Bonn, Germany
[31] Boston Univ, Dept Phys, 590 Commonwealth Ave, Boston, MA 02215 USA
[32] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA
[33] Univ Fed Rio de Janeiro, COPPE, EE, IF, Rio De Janeiro, Brazil
[34] Fed Univ Juiz Fora UFJF, Elect Circuits Dept, Juiz De Fora, Brazil
[35] Fed Univ Sao Joao Dei Rei UFSJ, Sao Joao Del Rei, Brazil
[36] Univ Sao Paulo, Inst Fis, Sao Paulo, Brazil
[37] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[38] Transilvania Univ Brasov, Brasov, Romania
[39] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania
[40] Alexandru Ioan Cuza Univ, Dept Phys, Iasi, Romania
[41] Natl Inst Res & Dev Isotop & Mol Technol, Phys Dept, Cluj Napoca, Romania
[42] West Univ Timisoara, Timisoara, Romania
[43] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina
[44] Univ Cambridge, Cavendish Lab, Cambridge, England
[45] Carleton Univ, Dept Phys, Ottawa, ON, Canada
[46] CERN, Geneva, Switzerland
[47] Univ Chicago, Enrico Fermi Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA
[48] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile
[49] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile
[50] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China
来源
EUROPEAN PHYSICAL JOURNAL C | 2018年 / 78卷 / 03期
基金
巴西圣保罗研究基金会; 美国国家科学基金会; 加拿大自然科学与工程研究理事会;
关键词
J/PSI PRODUCTION; CHARMONIUM PRODUCTION; PP COLLISIONS; PROMPT J/PSI; ABSORPTION;
D O I
10.1140/epjc/s10052-018-5624-4
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The modification of the production of J/psi, psi(2S), and gamma (nS) (n = 1, 2, 3) in p+Pb collisions with respect to their production in pp collisions has been studied. The p+Pb and pp datasets used in this paper correspond to integrated luminosities of 28 nb(-1) and 25 pb(-1) respectively, collected in 2013 and 2015 by the ATLAS detector at the LHC, both at a centre-of-mass energy per nucleon pair of 5.02 TeV. The quarkonium states are reconstructed in the dimuon decay channel. The yields of J/psi and psi(2S) are separated into prompt and non-prompt sources. The measured quarkonium differential cross sections are presented as a function of rapidity and transverse momentum, as is the nuclear modification factor, R-pPb for J/psi and psi (nS). No significant modification of the J/psi production is observed while gamma (nS) production is found to be suppressed at low transverse momentum in p+Pb collisions relative to pp collisions. The production of excited charmonium and bottomonium states is found to be suppressed relative to that of the ground states in central p+Pb collisions.
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