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题名: Isospin dependence of nucleon-nucleon elastic cross section
作者: Li, QF ;  Li, ZX ;  Mao, GJ
刊名: PHYSICAL REVIEW C
出版日期: 2000
卷号: 62, 期号:1, 页码:-
关键词: MEAN FIELD-THEORY ;  FINITE-TEMPERATURE ;  RHO-MESON ;  MASS ;  COLLISIONS ;  DENSITY ;  FLOW
学科分类: Physics
通讯作者: Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
部门归属: Inst Atom Energy, Beijing 102413, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Lanzhou, Ctr Theoret Nucl Phys, Heavy Ion Accelerator, Lanzhou 730000, Peoples R China; Japan Atom Energy Res Inst, Naka, Ibaraki 3191195, Japan
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000088139200029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12947
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Li, QF,Li, ZX,Mao, GJ. Isospin dependence of nucleon-nucleon elastic cross section[J]. PHYSICAL REVIEW C,2000,62(1):-.
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