Effect of in-medium nucleon-nucleon cross section on proton-proton momentum correlation in intermediate-energy heavy-ion collisions
Wang, TT; Ma, YG; Zhang, CJ; Zhang, ZQ
2018
发表期刊PHYSICAL REVIEW C
ISSN2469-9985
卷号97期号:3页码:-
文章类型期刊论文
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.
关键词Intensity Interferometry Break-up Antiprotons Matter Pion Kaon Particles Dynamics Profile Al-23
DOI10.1103/PhysRevC.97.034617
收录类别SCI
语种英语
WOS记录号WOS:000428163400002
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28980
专题中科院上海应用物理研究所2011-2018年
作者单位1.Wang, TT
2.Ma, YG
3.Zhang, CJ
4.Zhang, ZQ
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Wang, TT,Ma, YG,Zhang, CJ,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, TT,Ma, YG,Zhang, CJ,&Zhang, ZQ.(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, TT,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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