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Eccentricity fluctuations are not the only source of elliptic flowfluctuations in a multiphase transport model

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成果类型:
期刊论文
作者:
Xiao, Kai*;Liu, Feng;Wang, Fu-Qiang
通讯作者:
Xiao, Kai
作者机构:
[Xiao, Kai; Liu, Feng; Wang, Fu-Qiang] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China.
[Xiao, Kai; Liu, Feng; Wang, Fu-Qiang] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.
[Xiao, Kai; Liu, Feng] South Cent Univ Nationalities, Coll Elect & Informat Engn, Wuhan 430074, Hubei, Peoples R China.
[Wang, Fu-Qiang] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA.
[Wang, Fu-Qiang] Huzhou Univ, Sch Sci, Huzhou 313000, Zhejiang, Peoples R China.
通讯机构:
[Xiao, Kai] C
[Xiao, Kai] S
Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China.
Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.
South Cent Univ Nationalities, Coll Elect & Informat Engn, Wuhan 430074, Hubei, Peoples R China.
语种:
英文
关键词:
elliptic flow fluctuations;eccentricity;initial configuration;parton-parton interactions;hadronization and hadronic scatterings
关键词(中文):
椭圆流;波动;偏心;传输模型;多相;相对论重离子碰撞;分子相互作用;量子涨落
期刊:
中国物理C
ISSN:
1674-1137
年:
2017
卷:
41
期:
9
页码:
094103-01-094103-08
基金类别:
MOST, China, under 973 Grant [2015CB856901]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11521064, 11547143, 11228513]; U.S. Department of EnergyUnited States Department of Energy (DOE) [DE-FG02-88ER40412]; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities; South-Central University for Nationalities [CZQ15001]; Excellent Doctorial Dissertation Cultivation Grant from Central China Normal University [2013YBZD18]
机构署名:
本校为第一且通讯机构
院系归属:
物理科学与技术学院
摘要:
Sources of event-by-event elliptic flow fluctuations in relativistic heavy-ion collisions are investigated in a multiphase parton transport model (AMPT). Besides the well-known initial eccentricity fluctuations, several other sources of elliptic flow dynamical fluctuations are identified. One is fluctuations in initial parton configurations at a given eccentricity. Configuration fluctuations are found to be as important as eccentricity fluctuations in elliptic flow development. A second is quantum fluctuations in parton-parton interactions during system evolution. A third is fluctuations cause...
摘要(中文):
event-by-event 的来源在相对论的重离子的碰撞的椭圆形的流动变化在一个多相的 parton 运输模型(AMPT ) 被调查。除著名起始的怪癖变化以外,几其它椭圆形的流动采购原料动态变化被识别。一个人是在在一个给定的怪癖的起始的 parton 配置的变化。配置变化被发现象在椭圆形的流动开发的怪癖变化一样重要。一秒在系统进化期间是在 parton-parton 相互作用的量变化。第三是 hadronization 和最后状态的 hadronic 散布引起的变化。这些变化的大小相对怪癖变化和平均椭圆形的流动大小被调查。从二来源被发现否定的后者的变化。结果可以为椭圆形的流动数据的解释有重要含意。

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