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Energy dependence of directed flow in Au plus Au collisions from a multiphase transport model
Chen, JY; Zuo JX(左嘉旭); Zuo, JX; Cai, XZ; Liu, F; Ma, YG; Tang, AH
2010
发表期刊PHYSICAL REVIEW C
卷号81期号:1页码:14904
通讯作者[Chen, J. Y. ; Liu, F.] Huazhong Normal Univ CCNU, Inst Particle Phys, Wuhan 430079, Peoples R China ; [Chen, J. Y. ; Liu, F.] Huazhong Normal Univ, Minist Educ, Key Lab Quark & Lepton Phys, Wuhan 430079, Peoples R China ; [Zuo, J. X.] CAS, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Cai, X. Z. ; Ma, Y. G.] CAS, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China ; [Tang, A. H.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
摘要The directed flow of charged hadron and identified particles has been studied in the framework of a multiphase transport (AMPT) model for (197)Au + (197)Au collisions at root s(NN) = 200, 130, 62.4, 39, 17.2, and 9.2 GeV. The rapidity, centrality, and energy dependence of directed flow for charged particles over a wide rapidity range are presented. The AMPT model gives the correct v(1)(y) slope, as well as its trend as a function of energy, while it underestimates the magnitude. Within the AMPT model, the proton v(1) slope is found to change its sign when the energy increases to 130 GeV-a feature that is consistent with "anti-flow." Hadronic rescattering is found to have little effect on v(1) at top energies currently available at the BNL Relativistic Heavy Ion Collider (RHIC). These studies can help us to understand the collective dynamics early on in relativistic heavy-ion collisions, and they can also be served as references for the RHIC Beam Energy Scan Program.
文章类型Article
学科领域Physics
DOI10.1103/PhysRevC.81.014904
研究领域[WOS]Physics
URL查看原文
语种英语
WOS类目Physics, Nuclear
WOS记录号WOS:000274002700040
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240449
专题实验物理中心
作者单位中国科学院高能物理研究所
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Chen, JY,Zuo JX,Zuo, JX,et al. Energy dependence of directed flow in Au plus Au collisions from a multiphase transport model[J]. PHYSICAL REVIEW C,2010,81(1):14904.
APA Chen, JY.,左嘉旭.,Zuo, JX.,Cai, XZ.,Liu, F.,...&Tang, AH.(2010).Energy dependence of directed flow in Au plus Au collisions from a multiphase transport model.PHYSICAL REVIEW C,81(1),14904.
MLA Chen, JY,et al."Energy dependence of directed flow in Au plus Au collisions from a multiphase transport model".PHYSICAL REVIEW C 81.1(2010):14904.
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