Nucleon-nucleon Cross Sections in Isospin Symmetric Nuclear Matte

LIANG Dong; ZUO Wei; DONG Jian-min

doi:10.11804/NuclPhysRev.29.02.123

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LIANG Dong, ZUO Wei, DONG Jian-min. Nucleon-nucleon Cross Sections in Isospin Symmetric Nuclear Matte[J]. Nuclear Physics Review, 2012, 29(2): 123-128. doi: 10.11804/NuclPhysRev.29.02.123

Citation:

LIANG Dong, ZUO Wei, DONG Jian-min. Nucleon-nucleon Cross Sections in Isospin Symmetric Nuclear Matte[J]. Nuclear Physics Review, 2012, 29(2): 123-128. doi: 10.11804/NuclPhysRev.29.02.123

Nucleon-nucleon Cross Sections in Isospin Symmetric Nuclear Matte

doi: 10.11804/NuclPhysRev.29.02.123

1.
Institute of Modern Physics, Chinese Academy of Sciences Lanzhou 730000,China; 2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2012-06-20

Abstract

The nucleonnucleon cross sections in symmetric nuclear matter were investigated in the framework of the extended Brueckner-Hartree-Fock(BHF) approach with Argonne V₁₄ two body interaction. The influences of the ground state correlation and the rearrangement contribution of the threebody force (TBF) on the cross section have been obtained and discussed separately for identical and nonidentical nucleon collisions. It is shown that the magnitudes of the cross section are increased by the effects of the ground state correlation in low momentum transfers，and are suppressed in medium with increasing density when the rearrangement contribution of the TBF force is considered.

- Brueckner-Hartree-Fock approach,
- cross section,
- three body force,
- ground state correlation
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Nucleon-nucleon Cross Sections in Isospin Symmetric Nuclear Matte

doi: 10.11804/NuclPhysRev.29.02.123

1. Institute of Modern Physics, Chinese Academy of Sciences Lanzhou 730000,China; 2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2012-06-20

Key words:

Abstract: The nucleonnucleon cross sections in symmetric nuclear matter were investigated in the framework of the extended Brueckner-Hartree-Fock(BHF) approach with Argonne V₁₄ two body interaction. The influences of the ground state correlation and the rearrangement contribution of the threebody force (TBF) on the cross section have been obtained and discussed separately for identical and nonidentical nucleon collisions. It is shown that the magnitudes of the cross section are increased by the effects of the ground state correlation in low momentum transfers，and are suppressed in medium with increasing density when the rearrangement contribution of the TBF force is considered.


LIANG Dong, ZUO Wei, DONG Jian-min. Nucleon-nucleon Cross Sections in Isospin Symmetric Nuclear Matte[J]. Nuclear Physics Review, 2012, 29(2): 123-128. doi: 10.11804/NuclPhysRev.29.02.123

Citation:

LIANG Dong, ZUO Wei, DONG Jian-min. Nucleon-nucleon Cross Sections in Isospin Symmetric Nuclear Matte[J]. Nuclear Physics Review, 2012, 29(2): 123-128. doi: 10.11804/NuclPhysRev.29.02.123