Effects of final state interactions on charge separation in relativistic heavy ion collisions

被引：69
|
作者：
Ma, Guo-Liang [1 ]
Zhang, Bin [2 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
[2] Arkansas State Univ, Dept Chem & Phys, State Univ, AR 72467 USA
来源：
PHYSICS LETTERS B | 2011年 / 700卷 / 01期
基金：
美国国家科学基金会;
关键词：
Charge separation; Parton cascade; Resonance decay; PARITY VIOLATION; PARTON; EVENT;
D O I：
10.1016/j.physletb.2011.04.057
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Charge separation is an important consequence of the Chiral Magnetic Effect. Within the framework of a Multi-Phase Transport model, the effects of final state interactions on initial charge separation are studied. We demonstrate that charge separation can be significantly reduced by the evolution of the Quark-Gluon Plasma produced in relativistic heavy ion collisions. Hadronization and resonance decay can also affect charge separation. Moreover, our results show that the Chiral Magnetic Effect leads to the modification of the relation between the charge azimuthal correlation and the elliptic flow that is expected from transverse momentum conservation only. The transverse momentum and pseudorapidity dependences and the effects of background on the charge azimuthal correlation are also discussed. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：39 / 43
页数：5
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