Unified Hydrodynamics and Pseudorapidity Distributions of Charged Particles Produced in Heavy Ion Collisions at Low Energies at RHIC

In the context of unified hydrodynamics, we discuss the pseudorapidity distributions of the charged particles produced in Au-Au and Cu-Cu collisions at the low RHIC energies of √SNN = 19.6 and 22.4 GeV, respectively. It is found that the unified hydrodynamics alone can give a good description to the...

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Bibliographic Details
Published inChinese physics letters Vol. 34; no. 5; pp. 36 - 39
Main Author 姜志进 惠加琪 邓海平
Format Journal Article
LanguageEnglish
Published 01.05.2017
Subjects
RHIC能量
低能
动力学背景
实验测量
带电粒子
流体力学
赝快度分布
重离子碰撞
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Summary:In the context of unified hydrodynamics, we discuss the pseudorapidity distributions of the charged particles produced in Au-Au and Cu-Cu collisions at the low RHIC energies of √SNN = 19.6 and 22.4 GeV, respectively. It is found that the unified hydrodynamics alone can give a good description to the experimental measurements. This is different from the collisions at the maximum RHIC energy of √SNN = 200 GeV or at LHC energy of √SNN= 2.76 TeV, in which the leading particles must be taken into account so that we can properly explain the experimental observations.
Bibliography:11-1959/O4
Zhi-Jin Jiang, Jia-Qi Hui, Hai-Ping Deng（ College of Science, University of Shanghai for Science and Technology, Shanghai 200093）
In the context of unified hydrodynamics, we discuss the pseudorapidity distributions of the charged particles produced in Au-Au and Cu-Cu collisions at the low RHIC energies of √SNN = 19.6 and 22.4 GeV, respectively. It is found that the unified hydrodynamics alone can give a good description to the experimental measurements. This is different from the collisions at the maximum RHIC energy of √SNN = 200 GeV or at LHC energy of √SNN= 2.76 TeV, in which the leading particles must be taken into account so that we can properly explain the experimental observations.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/34/5/052501