Factorization of event-plane correlations over transverse momentum in relativistic heavy ion collisions in a multiphase transport model

被引：6
作者：
Xiao, Kai [1 ]
Yi, Li [2 ,5 ]
Liu, Feng [3 ,4 ]
Wang, Fuqiang [2 ,3 ,4 ]
机构：
[1] South Cent Univ Nationalities, Coll Elect & Informat Engn, Wuhan 430074, Peoples R China
[2] Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA
[3] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China
[4] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China
[5] Yale Univ, Dept Phys, New Haven, CT USA
来源：
PHYSICAL REVIEW C | 2016年 / 94卷 / 02期
基金：
中国国家自然科学基金;
关键词：
QUARK-GLUON PLASMA; PERSPECTIVE; FLOW;
D O I：
10.1103/PhysRevC.94.024905
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：
Momentum-space azimuthal harmonic event planes (EP) are constructed from final-state midrapidity particles binned in transverse momentum (p(T)) in root sNN = 200 GeV Au+Au collisions in a multiphase transport (AMPT) model. The EP correlations between p(T) bins, corrected by EP resolutions, are smaller than unity. This indicates that the EP's decorrelate over p(T) in AMPT, qualitatively consistent with data and hydrodynamic calculations. It is further found that the EP correlations approximately factorize into single p(T)-bin EP correlations to a common plane. This common plane appears to be the momentum-space EP integrated over all p(T), not the configuration-space participant plane (PP).
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