Nuclear Modification of ψ′, χc, and J/ψ Production in d plus Au Collisions at √sNN=200 GeV

被引：81

作者：

Adare, A. ^{[13
]}

Aidala, C. ^{[43
,44
]}

Ajitanand, N. N. ^{[60
]}

Akiba, Y. ^{[56
,57
]}

Al-Bataineh, H. ^{[50
]}

Alexander, J. ^{[60
]}

Angerami, A. ^{[14
,15
]}

Aoki, K. ^{[35
,56
]}

Apadula, N. ^{[61
]}

Aramaki, Y. ^{[12
,56
]}

Atomssa, E. T. ^{[36
]}

Averbeck, R. ^{[61
]}

Awes, T. C. ^{[52
]}

Azmoun, B. ^{[7
]}

Babintsev, V. ^{[24
]}

Bai, M. ^{[6
]}

Baksay, G. ^{[20
]}

Baksay, L. ^{[20
]}

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

Bassalleck, B. ^{[49
]}

Basye, A. T. ^{[1
]}

Bathe, S. ^{[5
,8
,57
]}

Baublis, V. ^{[55
]}

Baumann, C. ^{[45
]}

Bazilevsky, A. ^{[7
]}

Belikov, S. ^{[7
]}

Belmont, R. ^{[65
]}

Bennett, R. ^{[61
]}

Bhom, J. H. ^{[69
]}

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

Bok, J. S. ^{[69
]}

Boyle, K. ^{[61
]}

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

Buesching, H. ^{[7
]}

Bumazhnov, V. ^{[24
]}

Bunce, G. ^{[7
,57
]}

Butsyk, S. ^{[39
]}

Campbell, S. ^{[61
]}

Caringi, A. ^{[46
]}

Chen, C-H ^{[61
]}

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

Chiu, M. ^{[7
]}

Choi, I. J. ^{[69
]}

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

Choudhury, R. K. ^{[4
]}

Christiansen, P. ^{[41
]}

Chujo, T. ^{[64
]}

Chung, P. ^{[60
]}

Chvala, O. ^{[8
]}

Cianciolo, V. ^{[52
]}

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 Bernard M 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] CEA Saclay, Dapnia, F-91191 Gif Sur Yvette, France

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

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

[20] Florida Inst Technol, Melbourne, FL 32901 USA

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

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

[23] Hiroshima Univ, Higashihiroshima 7398526, Japan

[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, CNRS, IN2P3, Lab Leprince Ringuet, 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] Univ Blaise Pascal, CNRS, IN2P3, LPC, F-63177 Clermont Ferrand, France

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

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

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

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

[45] Univ Munster, Inst Kernphys, D-48149 Munster, Germany

[46] Muhlenberg Coll, Allentown, PA 18104 USA

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

[48] Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan

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

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

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 20期

基金：

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

关键词：

SUPPRESSION;

D O I：

10.1103/PhysRevLett.111.202301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present results for three charmonia states (psi' chi(c), and J/ psi) in d + Au collisions at vertical bar y vertical bar < 0.35 and root s(NN) = 200 GeV. We find that the modification of the psi' yield relative to that of the J/ psi scales approximately with charged particle multiplicity at midrapidity across p + A, d + Au, and A + A results from the Super Proton Synchrotron and the Relativistic Heavy Ion Collider. In large-impact-parameter collisions we observe a similar suppression for the psi' and J/ psi, while in small-impact-parameter collisions the more weakly bound psi' is more strongly suppressed. Owing to the short time spent traversing the Au nucleus, the larger psi' suppression in central events is not explained by an increase of the nuclear absorption owing to meson formation time effects.

引用

页数：7

共 50 条

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