Dielectron azimuthal anisotropy at mid-rapidity in Au plus Au collisions at √sNN=200 GeV

被引：13

作者：

Adamczyk, L. ^{[1
]}

Adkins, J. K. ^{[23
]}

Agakishiev, G. ^{[21
]}

Aggarwal, M. M. ^{[35
]}

Ahammed, Z. ^{[53
]}

Alekseev, I. ^{[19
]}

Alford, J. ^{[22
]}

Anson, C. D. ^{[32
]}

Aparin, A. ^{[21
]}

Arkhipkin, D. ^{[4
]}

Aschenauer, E. C. ^{[4
]}

Averichev, G. S. ^{[21
]}

Banerjee, A. ^{[53
]}

Beavis, D. R. ^{[4
]}

Bellwied, R. ^{[49
]}

Bhasin, A. ^{[20
]}

Bhati, A. K. ^{[35
]}

Bhattarai, P. ^{[48
]}

Bichsel, H. ^{[55
]}

Bielcik, J. ^{[13
]}

Bielcikova, J. ^{[14
]}

Bland, L. C. ^{[4
]}

Bordyuzhin, I. G. ^{[19
]}

Borowski, W. ^{[45
]}

Bouchet, J. ^{[22
]}

Brandin, A. V. ^{[30
]}

Brovko, S. G. ^{[6
]}

Bueltmann, S. ^{[33
]}

Bunzarov, I. ^{[21
]}

Burton, T. P. ^{[4
]}

Butterworth, J. ^{[41
]}

Caines, H. ^{[57
]}

Sanchez, M. Calderon de la Barca ^{[6
]}

Cebra, D. ^{[6
]}

Cendejas, R. ^{[36
]}

Cervantes, M. C. ^{[47
]}

Chaloupka, P. ^{[13
]}

Chang, Z. ^{[47
]}

Chattopadhyay, S. ^{[53
]}

Chen, H. F. ^{[42
]}

Chen, J. H. ^{[44
]}

Chen, L. ^{[9
]}

Cheng, J. ^{[50
]}

Cherney, M. ^{[12
]}

Chikanian, A. ^{[57
]}

Christie, W. ^{[4
]}

Chwastowski, J. ^{[11
]}

Codrington, M. J. M. ^{[48
]}

Contin, G. ^{[26
]}

Cramer, J. G. ^{[55
]}

机构：

[1] AGH Univ Sci & Technol, Krakow, Poland

[2] Argonne Natl Lab, Argonne, IL 60439 USA

[3] Univ Birmingham, Birmingham, W Midlands, England

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

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

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

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

[8] Univ Estadual Campinas, Sao Paulo, Brazil

[9] Cent China Normal Univ, HZNU, Wuhan 430079, Peoples R China

[10] Univ Illinois, Chicago, IL 60607 USA

[11] Cracow Univ Technol, Krakow, Poland

[12] Creighton Univ, Omaha, NE 68178 USA

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

[14] Acad Sci Czech Republ, Inst Nucl Phys, CZ-25068 Rez, Czech Republic

[15] Frankfurt Inst Adv Studies FIAS, Frankfurt, Germany

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

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

[18] Indiana Univ, Bloomington, IN 47408 USA

[19] Alikhanov Inst Theoret & Expt Phys, Moscow, Russia

[20] Univ Jammu, Jammu 180001, India

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

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

[23] Univ Kentucky, Lexington, KY 40506 USA

[24] Korea Inst Sci & Technol Informat, Taejon, South Korea

[25] Inst Modern Phys, Lanzhou, Peoples R China

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

[27] MIT, Cambridge, MA 02139 USA

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

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

[30] Moscow Engn Phys Inst, Moscow 115409, Russia

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

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

[33] Old Dominion Univ, Norfolk, VA 23529 USA

[34] Inst Nucl Phys PAN, Krakow, Poland

[35] Panjab Univ, Chandigarh 160014, India

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

[37] Inst High Energy Phys, Protvino, Russia

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

[39] Pusan Natl Univ, Pusan 609735, South Korea

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

[41] Rice Univ, Houston, TX 77251 USA

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

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

[44] Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China

[45] SUBATECH, Nantes, France

[46] Temple Univ, Philadelphia, PA 19122 USA

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

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

[49] Univ Houston, Houston, TX 77204 USA

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

来源：

PHYSICAL REVIEW C | 2014年 / 90卷 / 06期

基金：

巴西圣保罗研究基金会; 新加坡国家研究基金会; 美国国家科学基金会;

关键词：

QUARK-GLUON PLASMA; PARTICLE IDENTIFICATION; DILEPTON PRODUCTION; P COLLISIONS; STAR; PERSPECTIVE; TRAY; TPC;

D O I：

10.1103/PhysRevC.90.064904

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 first measurement of the azimuthal anisotropy (v(2)) of dielectrons (e(+)e(-) pairs) at mid-rapidity fromv root s(NN) = 200 GeV Au + Au collisions with the STAR detector at the Relativistic Heavy Ion Collider (RHIC), presented as a function of transverse momentum (pT) for different invariant-mass regions. In the mass region M-ee < 1.1 GeV/c(2) the dielectron v(2) measurements are found to be consistent with expectations from pi(0), eta, omega, and phi decay contributions. In the mass region 1.1 < M-ee < 2.9 GeV/c(2), the measured dielectron v(2) is consistent, within experimental uncertainties, with that from the c<(c)over bar> contributions.

引用

页数：15

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