Beam-energy dependence of identified two-particle angular correlations ins root s(NN)=7.7-200 GeV Au + Au collisions
文献类型：期刊论文
| 作者 | Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Anderson, DM; Aparin, A |
| 刊名 | PHYSICAL REVIEW C
 |
| 出版日期 | 2020 |
| 卷号 | 101期号:1页码:- |
| 关键词 | BY-EVENT FLUCTUATIONS HEAVY-ION COLLISIONS STAR FEMTOSCOPY PP |
| ISSN号 | 2469-9985 |
| DOI | 10.1103/PhysRevC.101.014916 |
| 文献子类 | 期刊论文 |
| 英文摘要 | The two-particle angular correlation functions, R-2, of pions, kaons, and protons in Au + Au collisions at A root s(NN) = 7 . 7 , 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV were measured by the STAR experiment at the BNL Relativistic Heavy Ion Collider. These correlations were measured for both like-sign and unlike-sign charge combinations and versus the centrality. The correlations of pions and kaons show the expected near-side (i.e., at small relative angles) peak resulting from short-range mechanisms. The amplitudes of these short-range correlations decrease with increasing beam energy. However, the proton correlation functions exhibit strong anticorrelations in the near-side region. This behavior is observed for the first time in an A + A collision system. The observed anticorrelation is p(T) independent and decreases with increasing beam energy and centrality. The experimental results are also compared to the Monte Carlo models UrQMD, Hijing, and AMPT. |
| 语种 | 英语 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/32727]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 作者单位 | 1.Yale Univ, New Haven, CT 06520 USA 2.Abilene Christian Univ, Abilene, TX 79699 USA 3.AGH Univ Sci & Technol, FPACS, PL-30059 Krakow, Poland 4.NRC Kurchatov Inst, Alikhanov Inst Theoret & Expt Phys, Moscow 117218, Russia 5.Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA 6.Amer Univ Cairo, New Cairo 11835, Egypt 7.Brookhaven Natl Lab, Upton, NY 11973 USA 8.Univ Calif Berkeley, Berkeley, CA 94720 USA 9.Univ Calif Davis, Davis, CA 95616 USA 10.Univ Calif Los Angeles, Los Angeles, CA 90095 USA |
| 推荐引用方式 GB/T 7714 | Adam, J,Adamczyk, L,Adams, JR,et al. Beam-energy dependence of identified two-particle angular correlations ins root s(NN)=7.7-200 GeV Au + Au collisions[J]. PHYSICAL REVIEW C,2020,101(1):-. |
| APA | Adam, J.,Adamczyk, L.,Adams, JR.,Adkins, JK.,Agakishiev, G.,...&Zyzak, M.(2020).Beam-energy dependence of identified two-particle angular correlations ins root s(NN)=7.7-200 GeV Au + Au collisions.PHYSICAL REVIEW C,101(1),-. |
| MLA | Adam, J,et al."Beam-energy dependence of identified two-particle angular correlations ins root s(NN)=7.7-200 GeV Au + Au collisions".PHYSICAL REVIEW C 101.1(2020):-. |
入库方式： OAI收割
来源：上海应用物理研究所
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