Medium effects on π-/π+ in heavy-ion collisions at intermediate energies

被引：0
|
作者：
Yong, Gao-Chan [1 ]
机构：
[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL A | 2010年 / 46卷 / 03期
基金：
中国国家自然科学基金;
关键词：
EQUATION-OF-STATE; NUCLEAR SYMMETRY ENERGY; HIGH-DENSITY BEHAVIOR; PARTICLE-PRODUCTION; PION-PRODUCTION; NEUTRON; MATTER; PHYSICS;
D O I：
10.1140/epja/i2010-11056-3
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Based on the isospin-dependent transport model IBUU and on the scaling model according to nucleon effective mass, effects of elastic and inelastic NN scattering cross-sections on pi(-)/pi(+) in the neutron-rich reaction Ca-48 + Ca-48 at a beam energy of 400MeV/nucleon are studied. It is found that cross-section effects of both NN elastic and inelastic scatterings affect Delta(1232), pi(-) and pi(+) productions as well as the value of pi(-)/pi(+).
引用
收藏
页码：399 / 402
页数：4
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