Spectra and ratios of identified particles in Au plus Au and d plus Au collisions at √sNN=200 GeV

被引：110

作者：

Adare, A. ^{[1
]}

Afanasiev, S. ^{[31
]}

Aidala, C. ^{[45
,46
]}

Ajitanand, N. N. ^{[64
]}

Akiba, Y. ^{[58
,59
]}

Al-Bataineh, H. ^{[52
]}

Alexander, J. ^{[64
]}

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

Aoki, K. ^{[37
,58
]}

Apadula, N. ^{[65
]}

Aramaki, Y. ^{[12
,58
]}

Atomssa, E. T. ^{[38
]}

Averbeck, R. ^{[65
]}

Awes, T. C. ^{[54
]}

Azmoun, B. ^{[7
]}

Babintsev, V. ^{[25
]}

Bai, M. ^{[6
]}

Baksay, G. ^{[21
]}

Baksay, L. ^{[21
]}

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

Bassalleck, B. ^{[51
]}

Basye, A. T. ^{[13
]}

Bathe, S. ^{[5
,8
,59
]}

Baublis, V. ^{[57
]}

Baumann, C. ^{[47
]}

Bazilevsky, A. ^{[7
]}

Belikov, S. ^{[7
]}

Belmont, R. ^{[46
,69
]}

Bennett, R. ^{[65
]}

Berdnikov, A. ^{[61
]}

Berdnikov, Y. ^{[61
]}

Bhom, J. H. ^{[73
]}

Bickley, A. A. ^{[1
]}

Blau, D. S. ^{[36
]}

Bok, J. S. ^{[73
]}

Boyle, K. ^{[65
]}

Brooks, M. L. ^{[41
]}

Buesching, H. ^{[7
]}

Bumazhnov, V. ^{[25
]}

Bunce, G. ^{[7
,59
]}

Butsyk, S. ^{[41
]}

Camacho, C. M. ^{[41
]}

Campbell, S. ^{[65
]}

Caringi, A. ^{[48
]}

Chen, C. -H. ^{[65
]}

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

Chiu, M. ^{[7
]}

Choi, I. J. ^{[73
]}

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

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

机构：

[1] Univ Colorado, Boulder, CO 80309 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, 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] Abilene Christian Univ, Abilene, TX 79699 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] Debrecen Univ, H-4010 Debrecen, Hungary

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

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

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

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

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

[24] Hiroshima Univ, Higashihiroshima 7398526, Japan

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

[26] Univ Illinois, Urbana, IL 61801 USA

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

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

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

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

[31] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia

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

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

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

[35] Korea Univ, Seoul 136701, South Korea

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

[37] Kyoto Univ, Kyoto 6068502, Japan

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

[39] Lahore Univ Management Sci, Dept Phys, Lahore, Pakistan

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

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

[42] Univ Blaise Pascal, CNRS, IN2P3, LPC, F-63177 Aubiere, France

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

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

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

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

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

[48] Muhlenberg Coll, Allentown, PA 18104 USA

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

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

来源：

PHYSICAL REVIEW C | 2013年 / 88卷 / 02期

基金：

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

关键词：

LARGE TRANSVERSE-MOMENTUM; QUARK-GLUON PLASMA; ANGULAR-CORRELATIONS; LONG-RANGE; PHENIX; STRANGENESS; PERSPECTIVE; DETECTOR; HADRONS; SIDE;

D O I：

10.1103/PhysRevC.88.024906

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：

The transverse momentum (p(T)) spectra and ratios of identified charged hadrons (pi(+/-), K-+/-, p, (p) over bar) produced in root s(NN) = 200 GeV Au + Au and d + Au collisions are reported in five different centrality classes for each collision species. The measurements of pions and protons are reported up to p(T) = 6 GeV/c (5 GeV/c), and the measurements of kaons are reported up to p(T) = 4 GeV/c (3.5 GeV/c) in Au + Au (d + Au) collisions. In the intermediate p(T) region, between 2 and 5 GeV/c, a significant enhancement of baryon-to-meson ratios compared to those measured in p + p collisions is observed. This enhancement is present in both Au + Au and d + Au collisions and increases as the collisions become more central. We compare a class of peripheral Au + Au collisions with a class of central d + Au collisions which have a comparable number of participating nucleons and binary nucleon-nucleon collisions. The p(T)-dependent particle ratios for these classes display a remarkable similarity, which is then discussed.

引用

页数：16

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