Momentum-Dependent Symmetry Potential from Nuclear Collective Flows in Heavy Ion Collisions at Intermediate Energies

被引：3

作者：

Xie Wen-Jie ^{[1
,2
]}

Feng Zhao-Qing ^{[2
]}

机构：

[1] Yuncheng Univ, Dept Phys, Yuncheng 044000, Peoples R China

[2] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2015年 / 32卷 / 12期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

QUANTUM MOLECULAR-DYNAMICS; ISOSPIN-DEPENDENCE; PROBE; TRANSPORT; EQUATION; DENSITY; STATE;

D O I：

10.1088/0256-307X/32/12/122502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Within the isospin-dependent quantum molecular dynamics model, we investigate the nuclear collective flows produced in semi-central (Au+197Au)-Au-197 collisions at intermediate energies. The neutron-proton differential flows and difference of neutron-proton collective flows are sensitive to the momentum-dependent symmetry potential. This sensitivity is less affected by both the isoscalar part of nuclear equation of state and in-medium nucleon-nucleon cross sections. Moreover, this sensitivity becomes pronounced with increasing the rapidity cut.

引用

页数：3

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