J/ψ production at low transverse momentum in p plus p and d plus Au collisions at √sNN=200 GeV

被引：13

作者：

Adamczyk, L. ^{[1
]}

Adkins, J. K. ^{[20
]}

Agakishiev, G. ^{[18
]}

Aggarwal, M. M. ^{[32
]}

Ahammed, Z. ^{[50
]}

Alekseev, I. ^{[16
]}

Aparin, A. ^{[18
]}

Arkhipkin, D. ^{[3
]}

Aschenauer, E. C. ^{[3
]}

Attri, A. ^{[32
]}

Averichev, G. S. ^{[18
]}

Bai, X. ^{[7
]}

Bairathi, V. ^{[28
]}

Bellwied, R. ^{[46
]}

Bhasin, A. ^{[17
]}

Bhati, A. K. ^{[32
]}

Bhattarai, P. ^{[45
]}

Bielcik, J. ^{[10
]}

Bielcikova, J. ^{[11
]}

Bland, L. C. ^{[3
]}

Bordyuzhin, I. G. ^{[16
]}

Bouchet, J. ^{[19
]}

Brandenburg, J. D. ^{[38
]}

Brandin, A. V. ^{[27
]}

Bunzarov, I. ^{[18
]}

Butterworth, J. ^{[38
]}

Caines, H. ^{[54
]}

Sanchez, M. Calderon de la Barca ^{[5
]}

Campbell, J. M. ^{[30
]}

Cebra, D. ^{[5
]}

Chakaberia, I. ^{[3
]}

Chaloupka, P. ^{[10
]}

Chang, Z. ^{[44
]}

Chatterjee, A. ^{[50
]}

Chattopadhyay, S. ^{[50
]}

Chen, J. H. ^{[41
]}

Chen, X. ^{[22
]}

Cheng, J. ^{[47
]}

Cherney, M. ^{[9
]}

Christie, W. ^{[3
]}

Contin, G. ^{[23
]}

Crawford, H. J. ^{[4
]}

Das, S. ^{[13
]}

De Silva, L. C. ^{[9
]}

Debbe, R. R. ^{[3
]}

Dedovich, T. G. ^{[18
]}

Deng, J. ^{[40
]}

Derevschikov, A. A. ^{[34
]}

di Ruzza, B. ^{[3
]}

Didenko, L. ^{[3
]}

机构：

[1] AGH Univ Sci & Technol, FPACS, PL-30059 Krakow, Poland

[2] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA

[3] Brookhaven Natl Lab, Upton, NY 11973 USA

[4] Univ Calif Berkeley, Berkeley, CA 94720 USA

[5] Univ Calif Davis, Davis, CA 95616 USA

[6] Univ Calif Los Angeles, Los Angeles, CA 90095 USA

[7] Cent China Normal Univ, Wuhan 430079, Hubei, Peoples R China

[8] Univ Illinois, Chicago, IL 60607 USA

[9] Creighton Univ, Omaha, NE 68178 USA

[10] Czech Tech Univ, FNSPE, Prague 11519, Czech Republic

[11] Nucl Phys Inst AS CR, Prague 25068, Czech Republic

[12] Frankfurt Inst Adv Studies, D-60438 Frankfurt, Germany

[13] Inst Phys, Bhubaneswar 751005, Orissa, India

[14] Indian Inst Technol, Bombay 400076, Maharashtra, India

[15] Indiana Univ, Bloomington, IN 47408 USA

[16] Alikhanov Inst Theoret & Expt Phys, Moscow 117218, Russia

[17] Univ Jammu, Jammu 180001, India

[18] Joint Inst Nucl Res, Dubna 141980, Russia

[19] Kent State Univ, Kent, OH 44242 USA

[20] Univ Kentucky, Lexington, KY 40506 USA

[21] Korea Inst Sci & Technol Informat, Taejon 305701, South Korea

[22] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China

[23] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[24] Lehigh Univ, Bethlehem, PA 18015 USA

[25] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[26] Michigan State Univ, E Lansing, MI 48824 USA

[27] Natl Res Nucl Univ, MEPhI, Moscow 115409, Russia

[28] Natl Inst Sci Educ & Res, Bhubaneswar 751005, Orissa, India

[29] Natl Cheng Kung Univ, Tainan 70101, Taiwan

[30] Ohio State Univ, Columbus, OH 43210 USA

[31] Inst Nucl Phys PAN, PL-31342 Krakow, Poland

[32] Panjab Univ, Chandigarh 160014, India

[33] Penn State Univ, University Pk, PA 16802 USA

[34] Inst High Energy Phys, Protvino 142281, Russia

[35] Purdue Univ, W Lafayette, IN 47907 USA

[36] Pusan Natl Univ, Pusan 46241, South Korea

[37] Univ Rajasthan, Jaipur 302004, Rajasthan, India

[38] Rice Univ, Houston, TX 77251 USA

[39] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China

[40] Shandong Univ, Jinan 250100, Shandong, Peoples R China

[41] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China

[42] SUNY Stony Brook, Stony Brook, NY 11794 USA

[43] Temple Univ, Philadelphia, PA 19122 USA

[44] Texas A&M Univ, College Stn, TX 77843 USA

[45] Univ Texas Austin, Austin, TX 78712 USA

[46] Univ Houston, Houston, TX 77204 USA

[47] Tsinghua Univ, Beijing 100084, Peoples R China

[48] US Naval Acad, Annapolis, MD 21402 USA

[49] Valparaiso Univ, Valparaiso, IN 46383 USA

[50] Ctr Variable Energy Cyclotron, Kolkata 700064, India

来源：

PHYSICAL REVIEW C | 2016年 / 93卷 / 06期

基金：

美国国家科学基金会; 新加坡国家研究基金会;

关键词：

QUARK-GLUON PLASMA; NUCLEAR-MATTER; STAR; SUPPRESSION; COLLABORATION; PERSPECTIVE; PROTON;

D O I：

10.1103/PhysRevC.93.064904

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 the measurement of J/psi production in the dielectron channel at midrapidity (vertical bar y vertical bar < 1) in p + p and d + Au collisions at root s(NN) = 200 GeV from the STAR experiment at the Relativistic Heavy Ion Collider. The transverse momentum p(T) spectra in p + p for pT < 4 GeV/c and d + Au collisions for p(T) < 3 GeV/c are presented. These measurements extend the STAR coverage for J/psi production in p + p collisions to low p(T). The < p(T)(2)> from the measured J/psi invariant cross section in p + p and d + Au collisions are evaluated and compared to similar measurements at other collision energies. The nuclear modification factor for J/psi is extracted as a function of pT and collision centrality in d + Au and compared to model calculations using the modified nuclear parton distribution function and a final-state J/psi nuclear absorption cross section.

引用

页数：11

共 50 条

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