Charge-dependent azimuthal correlations from AuAu to UU collisions

被引：52
作者：
Bloczynski, John [1 ,2 ]
Huang, Xu-Guang [1 ,2 ,3 ,4 ]
Zhang, Xilin [5 ,6 ]
Liao, Jinfeng [1 ,2 ,7 ]
机构：
[1] Indiana Univ, Dept Phys, Bloomington, IN 47408 USA
[2] Indiana Univ, Ctr Explorat Energy & Matter, Bloomington, IN 47408 USA
[3] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
[4] Fudan Univ, Ctr Field Theory & Particle Phys, Shanghai 200433, Peoples R China
[5] Ohio Univ, Inst Nucl & Particle Phys, Athens, OH 45701 USA
[6] Ohio Univ, Dept Phys & Astron, Athens, OH 45701 USA
[7] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA
来源：
NUCLEAR PHYSICS A | 2015年 / 939卷
基金：
美国国家科学基金会;
关键词：
Chiral magnetic effect; U plus U collisions; Quark-gluon plasma; Charge-dependent two-particle correlation; HEAVY-ION COLLISIONS; QUARK-GLUON PLASMA; NUCLEAR COLLISIONS; MAGNETIC-FIELD; QCD; COLLABORATION; PERSPECTIVE; VIOLATION; SEARCH; MATTER;
D O I：
10.1016/j.nuclphysa.2015.03.012
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 study the charge-dependent azimuthal correlations in relativistic heavy ion collisions, as motivated by the search for the Chiral Magnetic Effect (CME) and the investigation of related background contributions. In particular we aim to understand how these correlations induced by various proposed effects evolve from collisions with AuAu system to that with UU system. To do that, we quantify the generation of magnetic field in UU collisions at RHIC energy and its azimuthal correlation with the matter geometry using event-by-event simulations. Taking the experimental data for charge-dependent azimuthal correlations from AuAu collisions and extrapolating to UU with reasonable assumptions, we examine the resulting correlations to be expected in UU collisions and compare them with recent STAR measurements. Based on such analysis we discuss the viability for explaining the data with a combination of the CME-like and flow-induced contributions. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：85 / 100
页数：16
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