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Pion production and absorption in heavy-ion collisions

文献类型：期刊论文

作者Gao, Yuan1,2; Guo, Yu-Lin2; Zhang, Lei2; Yong, Gao-Chan1,3; Liu, Zi-Yu4; Zuo, Wei1,3
刊名PHYSICAL REVIEW C
出版日期2021-10-08
卷号104期号:4页码:6
ISSN号2469-9985
DOI10.1103/PhysRevC.104.044607
通讯作者Gao, Yuan(gaoyuan@impcas.ac.cn)
英文摘要Based on the isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, pion production and absorption are thoroughly studied in the central collision of Au + Au at a beam energy of 400 MeV/nucleon. It is found that the pions are first produced by hard Delta decay at an average density around 1.75.0, while about 18% of them are absorbed absolutely in the subsequent inelastic collisions. For the free pions observed, more than half of them have been scattered one or more times before they are free from matter, and the higher the scattering numbers of pions, the higher the kinetic energies they possess. These pions, due to longer time of their existence in high density nuclear matter, carry more information about the symmetry energy of nuclear matter at high densities. Moreover, the azimuth dependence and the kinetic energy dependence of the scattering processes and the effect of the symmetry energy are also investigated.
WOS关键词SYMMETRY ENERGY ; NUCLEAR-EQUATION ; ISOSPIN PHYSICS ; DYNAMICS ; FLOW ; DEPENDENCE ; MODELS ; STATE
资助项目National Natural Science Foundation of China[11875013] ; National Natural Science Foundation of China[11775275] ; National Natural Science Foundation of China[11975282] ; National Natural Science Foundation of China[11705041] ; Shaanxi Provincial Education Department[14JK1794]
WOS研究方向Physics
语种英语
WOS记录号WOS:000705628100003
出版者AMER PHYSICAL SOC
资助机构National Natural Science Foundation of China ; Shaanxi Provincial Education Department
源URL[http://119.78.100.186/handle/113462/136171]  
专题中国科学院近代物理研究所
通讯作者Gao, Yuan
作者单位1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
2.Hangzhou Dianzi Univ, Sch Informat Engn, Hangzhou 310018, Peoples R China
3.Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China
4.Xianyang Normal Univ, Coll Phys & Elect Engn, Xianyang 712000, Peoples R China
推荐引用方式
GB/T 7714		 Gao, Yuan,Guo, Yu-Lin,Zhang, Lei,et al. Pion production and absorption in heavy-ion collisions[J]. PHYSICAL REVIEW C,2021,104(4):6.
APA Gao, Yuan,Guo, Yu-Lin,Zhang, Lei,Yong, Gao-Chan,Liu, Zi-Yu,&Zuo, Wei.(2021).Pion production and absorption in heavy-ion collisions.PHYSICAL REVIEW C,104(4),6.
MLA Gao, Yuan,et al."Pion production and absorption in heavy-ion collisions".PHYSICAL REVIEW C 104.4(2021):6.

入库方式： OAI收割

来源：近代物理研究所

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