Nuclear matter effects on J/ψ production in asymmetric Cu plus Au collisions at √SNN=200 GeV

被引：7

作者：

Adare, A. ^{[3
,12
,13
]}

Aidala, C. ^{[39
,43
]}

Ajitanand, N. N. ^{[57
]}

Akiba, Y. ^{[52
,53
]}

Akimoto, R. ^{[12
]}

Alexander, J. ^{[57
]}

Alfred, M. ^{[23
]}

Aoki, K. ^{[52
]}

Apadula, N. ^{[28
,58
]}

Aramaki, Y. ^{[52
]}

Asano, H. ^{[35
,52
]}

Atomssa, E. T. ^{[58
]}

Awes, T. C. ^{[49
]}

Azmoun, B. ^{[7
]}

Babintsev, V. ^{[24
]}

Bai, M. ^{[6
]}

Bai, X. ^{[11
]}

Bandara, N. S. ^{[42
]}

Bannier, B. ^{[58
]}

Barish, K. N. ^{[8
]}

Bathe, S. ^{[5
,53
]}

Baublis, V. ^{[51
]}

Baumann, C. ^{[7
]}

Baumgart, S. ^{[52
]}

Bazilevsky, A. ^{[7
]}

Beaumier, M. ^{[8
]}

Beckman, S. ^{[13
]}

Belmont, R. ^{[43
,62
]}

Berdnikov, A. ^{[55
]}

Berdnikov, Y. ^{[55
]}

Bing, X. ^{[48
]}

Black, D. ^{[8
]}

Blau, D. S. ^{[34
]}

Bok, J. S. ^{[47
]}

Boyle, K. ^{[53
]}

Brooks, M. L. ^{[39
]}

Bryslawskyj, J. ^{[5
]}

Buesching, H. ^{[7
]}

Bumazhnov, V. ^{[24
]}

Butsyk, S. ^{[46
]}

Campbell, S. ^{[28
]}

Chen, C. -H. ^{[53
]}

Chi, C. Y. ^{[14
,15
]}

Chiu, M. ^{[7
]}

Choi, I. J. ^{[25
]}

Choi, J. B. ^{[10
]}

Choi, S. ^{[56
]}

Christiansen, P. ^{[40
]}

Chujo, T. ^{[61
]}

Cianciolo, V. ^{[49
]}

机构：

[1] Abilene Christian Univ, Abilene, TX 79699 USA

[2] Augustana Coll, Dept Phys, Sioux Falls, SD 57197 USA

[3] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India

[4] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India

[5] CUNY, Baruch Coll, New York, NY 10010 USA

[6] Brookhaven Natl Lab, Collider Accelerator Dept, Upton, NY 11973 USA

[7] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[8] Univ Calif Riverside, Riverside, CA 92521 USA

[9] Charles Univ Prague, CR-11636 Prague 1, Czech Republic

[10] Chonbuk Natl Univ, Jeonju 561756, South Korea

[11] China Inst Atom Energy, Sci & Technol Nucl Data Lab, Beijing 102413, Peoples R China

[12] Univ Tokyo, Grad Sch Sci, Ctr Nucl Study, Bunkyo Ku, Tokyo 1130033, Japan

[13] Univ Colorado, Boulder, CO 80309 USA

[14] Columbia Univ, New York, NY 10027 USA

[15] Nevis Labs, Irvington, NY 10533 USA

[16] Czech Tech Univ, Prague 16636 6, Czech Republic

[17] Eotvos Lorand Univ, ELTE, H-1117 Budapest, Hungary

[18] Ewha Womans Univ, Seoul 120750, South Korea

[19] Florida State Univ, Tallahassee, FL 32306 USA

[20] Georgia State Univ, Atlanta, GA 30303 USA

[21] Hanyang Univ, Seoul 133792, South Korea

[22] Hiroshima Univ, Higashihiroshima 7398526, Japan

[23] Howard Univ, Dept Phys & Astron, Washington, DC 20059 USA

[24] State Res Ctr Russian Federat, Inst High Energy Phys, IHEP Protvino, Protvino 142281, Russia

[25] Univ Illinois, Urbana, IL 61801 USA

[26] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[27] Acad Sci Czech Republ, Inst Phys, Prague 18221 8, Czech Republic

[28] Iowa State Univ, Ames, IA 50011 USA

[29] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan

[30] Helsinki Inst Phys, FI-40014 Jyvaskyla, Finland

[31] Univ Jyvaskyla, FI-40014 Jyvaskyla, Finland

[32] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan

[33] Korea Univ, Seoul 136701, South Korea

[34] Russian Res Ctr, Kurchatov Inst, Moscow 123098, Russia

[35] Kyoto Univ, Kyoto 6068502, Japan

[36] Ecole Polytech, Lab Leprince Ringuet, CNRS, IN2P3, F-91128 Palaiseau, France

[37] Lahore Univ Management Sci, Dept Phys, Lahore 54792, Pakistan

[38] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[39] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[40] Lund Univ, Dept Phys, SE-22100 Lund, Sweden

[41] Univ Maryland, College Pk, MD 20742 USA

[42] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA

[43] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[44] Muhlenberg Coll, Allentown, PA 18104 USA

[45] Myongji Univ, Yongin 449728, Kyonggido, South Korea

[46] Univ New Mexico, Albuquerque, NM 87131 USA

[47] New Mexico State Univ, Las Cruces, NM 88003 USA

[48] Ohio Univ, Dept Phys & Astron, Athens, OH 45701 USA

[49] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[50] Univ Paris 11, IPN Orsay, CNRS, IN2P3, F-91406 Orsay, France

来源：

PHYSICAL REVIEW C | 2014年 / 90卷 / 06期

基金：

新加坡国家研究基金会; 以色列科学基金会; 美国国家科学基金会; 日本学术振兴会;

关键词：

TRANSVERSE-MOMENTUM DEPENDENCE; PB-PB COLLISIONS; PSI' PRODUCTION; PP COLLISIONS; SUPPRESSION; ABSORPTION; RAPIDITY;

D O I：

10.1103/PhysRevC.90.064908

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We report on J/psi production from asymmetric Cu + Au heavy-ion collisions at root S-NN = 200 GeV at the Relativistic Heavy Ion Collider at both forward (Cu-going direction) and backward (Au-going direction) rapidities. The nuclear modification of J/psi yields in Cu + Au collisions in the Au-going direction is found to be comparable to that inAu + Au collisions when plotted as a function of the number of participating nucleons. In the Cu-going direction, J/psi production shows a stronger suppression. This difference is comparable in magnitude and has the same sign as the difference expected from shadowing effects due to stronger low-x gluon suppression in the larger Au nucleus.

引用

页数：10

共 50 条

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