Statistical and dynamical fluctuations in the ratios of higher net-proton cumulants in relativistic heavy-ion collisions

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成果类型：

期刊论文

作者：

Chen, Lizhu*;Pan, Xue;Xiong, Fengbo;Li, Lin;Li, Na;...

通讯作者：

Chen, Lizhu

作者机构：

[Li, Lin; Chen, Lizhu; Wu, Yuanfang; Xiong, Fengbo; Pan, Xue; Li, Zhiming] Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.

[Chen, Lizhu; Wu, Yuanfang] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.

[Li, Na] Hua Zhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China.

[Wang, Gang] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.

[Wu, Yuanfang] Huazhong Normal Univ, Minist Educ, Key Lab Quark & Lepton Phys, Wuhan, Peoples R China.

通讯机构：

[Chen, Lizhu] H

Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.

语种：

英文

期刊：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS

ISSN：

0954-3899

年：

2011

卷：

期：

页码：

115004

DOI：

10.1088/0954-3899/38/11/115004

基金类别：

NSFC of ChinaNational Natural Science Foundation of China (NSFC) [10835005, 11005046]; MOE of ChinaMinistry of Education, China [IRT0624, B08033]; US Department of Energy, Office of Nuclear PhysicsUnited States Department of Energy (DOE)

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：

With the help of transport and statistical models, we find that the ratios of higher net-proton cumulants measured at RHIC are dominated by Poisson-like statistical fluctuations. A way to eliminate this statistical fluctuation is suggested. The obtained dynamical ratios of higher net-proton cumulants are demonstrated to be more relevant to the underlying physics, i.e. the correlations between pr...

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Statistical and dynamical fluctuations in the ratios of higher net-proton cumulants in relativistic heavy-ion collisions

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