Effect of in-medium nucleon-nucleon cross section on proton-proton momentum correlation in intermediate-energy heavy-ion collisions
Wang, Ting-Ting1,2; Ma, Yu-Gang1,2,3; Zhang, Chun-Jian1,2; Zhang, Zheng-Qiao1,2
2018-03-23
发表期刊PHYSICAL REVIEW C
ISSN2469-9985
卷号97期号:3
发表状态已发表
DOI10.1103/PhysRevC.97.034617
摘要The proton-proton momentum correlation function from different rapidity regions is systematically investigated for the Au + Au collisions at different impact parameters and different energies from 400A MeV to 1500A MeV in the framework of the isospin-dependent quantum molecular dynamics model complemented by the Lednicky-Lyuboshitz analytical method. In particular, the in-medium nucleon-nucleon cross-section dependence of the correlation function is brought into focus, while the impact parameter and energy dependence of the momentum correlation function are also explored. The sizes of the emission source are extracted by fitting the momentum correlation functions using the Gaussian source method. We find that the in-medium nucleon-nucleon cross section obviously influences the proton-proton momentum correlation function, which is from the whole-rapidity or projectile or target rapidity region at smaller impact parameters, but there is no effect on the mid-rapidity proton-proton momentum correlation function, which indicates that the emission mechanism differs between projectile or target rapidity and mid-rapidity protons.
收录类别SCI ; SCIE
语种英语
资助项目Key Research Program of Frontier Sciences of the CAS[QYZDJ-SSW-SLH002]
WOS研究方向Physics
WOS类目Physics, Nuclear
WOS记录号WOS:000428163400002
出版者AMER PHYSICAL SOC
WOS关键词BREAK-UP ; INTERFEROMETRY ; PION ; KAON ; PARTICLES ; MATTER ; STATE ; PROBE ; WAVE
原始文献类型Article
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/18298
专题物质科学与技术学院_特聘教授组_马余刚组
通讯作者Ma, Yu-Gang
作者单位1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
3.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
通讯作者单位物质科学与技术学院
推荐引用方式
GB/T 7714
Wang, Ting-Ting,Ma, Yu-Gang,Zhang, Chun-Jian,et al. Effect of in-medium nucleon-nucleon cross section on proton-proton momentum correlation in intermediate-energy heavy-ion collisions[J]. PHYSICAL REVIEW C,2018,97(3).
APA Wang, Ting-Ting,Ma, Yu-Gang,Zhang, Chun-Jian,&Zhang, Zheng-Qiao.(2018).Effect of in-medium nucleon-nucleon cross section on proton-proton momentum correlation in intermediate-energy heavy-ion collisions.PHYSICAL REVIEW C,97(3).
MLA Wang, Ting-Ting,et al."Effect of in-medium nucleon-nucleon cross section on proton-proton momentum correlation in intermediate-energy heavy-ion collisions".PHYSICAL REVIEW C 97.3(2018).
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