Influence of statistics on the measured moments of conserved quantities in relativistic heavy ion collisions

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成果类型：

期刊论文

作者：

Chen, Lizhu*;Li, Zhiming;Zhong, Xia;He, Yuncun;Wu, Yuanfang

通讯作者：

Chen, Lizhu

作者机构：

[Chen, Lizhu; Zhong, Xia] Nanjing Univ Informat Sci & Technol, Sch Phys & Optoelect Engn, Nanjing 210044, Jiangsu, Peoples R China.

[Chen, Lizhu; Wu, Yuanfang; Li, Zhiming] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.

[Chen, Lizhu; Wu, Yuanfang; Li, Zhiming] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.

[He, Yuncun] Hubei Univ, Fac Phys & Elect Technol, Wuhan 430079, Peoples R China.

通讯机构：

[Chen, Lizhu] N

Nanjing Univ Informat Sci & Technol, Sch Phys & Optoelect Engn, Nanjing 210044, Jiangsu, Peoples R China.

语种：

英文

关键词：

moments of conserved quantities;probability distribution;statistics

期刊：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS

ISSN：

0954-3899

年：

2015

卷：

期：

页码：

065103-

DOI：

10.1088/0954-3899/42/6/065103

基金类别：

Major State Basic Research Development Program of ChinaNational Basic Research Program of China [2014CB845402]; NSFC of ChinaNational Natural Science Foundation of China (NSFC) [11405088, 11221504, 11005046, 11447190]; Ministry of Education of ChinaMinistry of Education, China [20120144110001]

机构署名：

本校为其他机构

院系归属：

物理科学与技术学院

摘要：

We study statistics dependence of the probability distributions and the means of measured moments of conserved quantities, respectively. The required statistics of all interested moments and their products are estimated based on a simple simulation. We also explain why the measured moments are underestimated when the statistics are insufficient. With the statistics at RHIC/BES, the second and third order moments can be reliably obtained based on the method of centrality bin width correction (CBWC), which can not be applied for the fourth order ...

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Influence of statistics on the measured moments of conserved quantities in relativistic heavy ion collisions

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