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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
Source PublicationMODERN PHYSICS LETTERS A
KeywordSymmetry Energy Field Theory Matter Density Fragmentation Dependence Scalar
AbstractThe 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.
2003
ISSN0217-7323
Volume18Issue:38Pages:2713-2723
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14158
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, QF , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
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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