Two-particle correlations on transverse momentum and momentum dissipation in Au-Au collisions at root sNN=130 GeV
文献类型:期刊论文
作者 | Adams, J.; Aggarwal, M. M.; Ahammed, Z.; Amonett, J.; Anderson, B. D.; Anderson, M.; Arkhipkin, D.; Averichev, G. S.; Bai, Y.; Balewski, J. |
刊名 | JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
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出版日期 | 2007-05-01 |
卷号 | 34页码:799-816 |
ISSN号 | 0954-3899 |
DOI | 10.1088/0954-3899/34/5/002 |
英文摘要 | Measurements of two-particle correlations on transverse momentum p(t) for Au-Au collisions at root s(NN) = 130 GeV are presented. Significant large-momentum-scale correlations are observed for charged primary hadrons with 0.15 <= p(t) <= 2 GeV/c and pseudorapidity vertical bar eta vertical bar <= 1.3. Such correlations were not observed in a similar study at lower energy and are not predicted by theoretical collision models. Their direct relation to mean-p(t) fluctuations measured in the same angular acceptance is demonstrated. Positive correlations are observed for pairs of particles which have large p(t) values while negative correlations occur for pairs in which one particle has large p(t) and the other has much lower p(t). The correlation amplitudes per final state particle increase with collision centrality. The observed correlations are consistent with a scenario in which the transverse momentum of hadrons associated with initial-stage semi-hard parton scattering is dissipated by the medium to lower p(t). |
WOS关键词 | BY-EVENT FLUCTUATIONS ; NUCLEAR COLLISIONS ; DYNAMICS ; DISTRIBUTIONS ; PP |
WOS研究方向 | Physics |
语种 | 英语 |
WOS记录号 | WOS:000246249100003 |
出版者 | IOP PUBLISHING LTD |
源URL | [http://119.78.100.186/handle/113462/28065] ![]() |
专题 | 中国科学院近代物理研究所 |
通讯作者 | Adams, J. |
作者单位 | 1.Univ Birmingham, Birmingham, W Midlands, England 2.Panjab Univ, Chandigarh 160014, India 3.Bhabha Atom Res Ctr, Ctr Variable Energy Cyclotron, Kolkata 700064, W Bengal, India 4.Kent State Univ, Kent, OH 44242 USA 5.Univ Calif Davis, Davis, CA 95616 USA 6.JINR, Part Phys Lab, Dubna, Russia 7.JINR, Lab High Energy, Dubna, Russia 8.NIKHEF, Amsterdam, Netherlands 9.Univ Utrecht, Amsterdam, Netherlands 10.Indiana Univ, Bloomington, IN 47408 USA |
推荐引用方式 GB/T 7714 | Adams, J.,Aggarwal, M. M.,Ahammed, Z.,et al. Two-particle correlations on transverse momentum and momentum dissipation in Au-Au collisions at root sNN=130 GeV[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2007,34:799-816. |
APA | Adams, J..,Aggarwal, M. M..,Ahammed, Z..,Amonett, J..,Anderson, B. D..,...&Zuo, J. X..(2007).Two-particle correlations on transverse momentum and momentum dissipation in Au-Au collisions at root sNN=130 GeV.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,34,799-816. |
MLA | Adams, J.,et al."Two-particle correlations on transverse momentum and momentum dissipation in Au-Au collisions at root sNN=130 GeV".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 34(2007):799-816. |
入库方式: OAI收割
来源:近代物理研究所
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