Revisiting the centrality definition and observable centrality dependence of relativistic heavy-ion collisions in PACIAE model

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成果类型：

期刊论文

作者：

Yan, Yu-Liang;Zhou, Dai-Mei;Lei, An-Ke;Li, Xiao-Mei;Zhang, Xiao-Ming;...

通讯作者：

Yan, Yu-Liang(yanyl@ciae.ac.cn)

作者机构：

[Li, Xiao-Mei; Sa, Ben-Hao; Yan, Yu-Liang] China Inst Atom Energy, POB 275 10, Beijing 102413, Peoples R China.

[Zhou, Dai-Mei; Sa, Ben-Hao; Lei, An-Ke; Zhang, Xiao-Ming; Cai, Xu] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.

[Zhou, Dai-Mei; Sa, Ben-Hao; Lei, An-Ke; Zhang, Xiao-Ming; Cai, Xu] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.

[Chen, Gang; Zheng, Liang] China Univ Geosci Wuhan, Sch Math & Phys, Wuhan 430074, Peoples R China.

通讯机构：

[Yu-Liang Yan] C

China Institute of Atomic Energy, P.O. Box 275 (10), Beijing, 102413, China

语种：

英文

关键词：

PACIAE model;PYTHIA model;Relativistic nuclear collision;Transport (cascade) model

期刊：

Computer Physics Communications

ISSN：

0010-4655

年：

2023

卷：

284

页码：

108615

DOI：

10.1016/j.cpc.2022.108615

基金类别：

This work was supported by the National Natural Science Foundation of China under grant Nos.: 11775094 , and 11905188 and by the 111 project of the foreign expert bureau of China. YLY acknowledges the financial support from the Continuous Basic Scientific Research Project (No. WDJC-2019-13 ) in CIAE .

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 improve the centrality definition in impact parameter in PACIAE model responding the fact reported by the ALICE, ATLAS, and CMS collaborations that the maximum impact parameter in heavy ion collisions should be extended to 20 fm. Meanwhile the PACIAE program is updated to a new version of PACIAE 2.2.2 with convenience of studying the elementary nuclear collisions, proton-nucleus collisions, and the nucleus-nucleus collisions in one unified program version. The new impact parameter definition together with the optical Glauber model calculated...

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Revisiting the centrality definition and observable centrality dependence of relativistic heavy-ion collisions in PACIAE model

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