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Li, QF; Li, ZX; Mao, GJ; Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
Isospin dependence of nucleon-nucleon elastic cross section
发表期刊PHYSICAL REVIEW C
关键词Mean Field-theory Finite-temperature Rho-meson Mass Collisions Density Flow
摘要The in-medium neutron-proton, proton-proton (neutron-neutron) scattering cross sections (sigma(np)*, sigma(pp(nn))*) are studied based on QHD-II type Lagangian within the framework of the microscopic transport theory. The results demonstrate that, for free nucleon-nucleon scattering cross sections, the isospin dependence is dominantly caused by the rho meson field. The medium correction of nucleon-nucleon scattering cross sections is also isospin dependent, sigma(np)*, depends on the baryon density weakly and sigma(pp(nn))* depends on the baryon density significantly, which is due to the different effects of the medium correction of nucleon mass and rho meson mass on sigma(np) and sigma(pp(nn)), respectively.
2000
ISSN0556-2813
卷号62期号:1页码:-
学科领域Physics
收录类别SCI
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12947
专题理论物理所科研产出_SCI论文
通讯作者Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
推荐引用方式
GB/T 7714
Li, QF,Li, ZX,Mao, GJ,et al. Isospin dependence of nucleon-nucleon elastic cross section[J]. PHYSICAL REVIEW C,2000,62(1):-.
APA Li, QF,Li, ZX,Mao, GJ,&Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China..(2000).Isospin dependence of nucleon-nucleon elastic cross section.PHYSICAL REVIEW C,62(1),-.
MLA Li, QF,et al."Isospin dependence of nucleon-nucleon elastic cross section".PHYSICAL REVIEW C 62.1(2000):-.
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