Two-pion interferometry for partially coherent sources in relativistic heavy-ion collisions in a multiphase transport model

被引：2
作者：
Wang, Shi-Yao [1 ]
Ye, Jun -Ting [1 ]
Zhang, Wei-Ning [1 ]
机构：
[1] Dalian Univ Technol, Sch Phys, Dalian 116024, Liaoning, Peoples R China
来源：
PHYSICAL REVIEW C | 2024年 / 109卷 / 01期
基金：
中国国家自然科学基金;
关键词：
PION INTERFEROMETRY;
D O I：
10.1103/PhysRevC.109.014912
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We perform two-pion Hanbury-Brown-Twiss (HBT) interferometry for the partially coherent pion-emitting sources in relativistic heavy-ion collisions using a multiphase transport (AMPT) model. A longitudinal coherent emission length, as well as a transverse coherent emission length, are introduced to the pion generation coordinates in calculating the HBT correlation functions of the partially coherent sources. We compare the model results with and without coherent emission conditions with experimental data in Au-Au collisions at center-of-mass energy N/sNN = 200 GeV and in Pb-Pb collisions at center-of-mass energy N/sNN = 2.76 TeV, and find that the HBT results of the partially coherent sources are closer to the experimental data than those of chaotic sources.
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页数：8
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