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.
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页数：3
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