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Isospin dependence of nucleon-nucleon elastic cross section
Li, QF; Li, ZX; Mao, GJ; Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
2000
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号62期号:1页码:-
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.
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
关键词Mean Field-theory Finite-temperature Rho-meson Mass Collisions Density Flow
学科领域Physics
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收录类别SCI
WOS记录号WOS:000088139200029
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被引频次:43[WOS]   [WOS记录]     [WOS相关记录]
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SCI论文
通讯作者Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
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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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