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The role of isovector meson exchanges to nucleon-nucleon elastic cross-section
Li, QF; Zhao, EG; Li, QF , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2003
发表期刊MODERN PHYSICS LETTERS A
ISSN0217-7323
卷号18期号:38页码:2713-2723
摘要The contributions of delta-isovector-scalar and rho-isovector-vector meson-exchanges to nucleon-nucleon elastic cross-sections (ECS) are studied based on QHD-type effective Lagrangian within the framework of the RBUU transport theory. The detailed expressions of ECS for symmetric nuclear system have also obtained. The medium correction of rho-meson mass and a proper symmetry energy coefficient are selected in order to fix a set of suitable coupling constants for delta and rho exchanges with the constraint of free ECS as a function of energy. The respective delta and rho contributions to free ECS as a function of energy are also shown and it is found they both affect the neutron-proton and neutron-neutron (proton-proton) ECS on the contrary way.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Symmetry Energy Field Theory Matter Density Fragmentation Dependence Scalar
学科领域Physics
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收录类别SCI
WOS记录号WOS:000187038100003
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14158
专题理论物理所SCI论文
通讯作者Li, QF , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Li, QF,Zhao, EG,Li, QF , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. The role of isovector meson exchanges to nucleon-nucleon elastic cross-section[J]. MODERN PHYSICS LETTERS A,2003,18(38):2713-2723.
APA Li, QF,Zhao, EG,&Li, QF , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2003).The role of isovector meson exchanges to nucleon-nucleon elastic cross-section.MODERN PHYSICS LETTERS A,18(38),2713-2723.
MLA Li, QF,et al."The role of isovector meson exchanges to nucleon-nucleon elastic cross-section".MODERN PHYSICS LETTERS A 18.38(2003):2713-2723.
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