Probing Isospin Dependence of In-medium Nucleon-nucleon Cross Section by Fragmentation Process in Heavy Ion Collisions

Probing Isospin Dependence of In-medium Nucleon-nucleon Cross Section by Fragmentation Process in Heavy Ion Collisions

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摘要 We have studied the fragmentation process in heavy ion collisions systematicaIly by using Isospin-dependent Quantum Molecular Dynamics(IQMD)model and found that the multiplicity of intermediate mass fragments N_(imf) can be used as a probe to extract the information of in-medium nmuleon-nucleon cross section.Fig.1

作者 Xing Yongzhong, Liu Jianye, Guo Wenjun, Zou Wei and Li Xiguo

出处《IMP & HIRFL Annual Report》 2001年第1期10-10,共1页 中国科学院近代物理研究所和兰州重离子研究装置年报（英文版）

关键词 FRAGMENTATION MULTIPLICITY systematically ASYMPTOTIC averaged symmetry excitation INDEPENDENCE panel filled

分类号 O572.3 [理学—粒子物理与原子核物理]

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1Xing Yongzhong, Liu Jianye, Guo Wenjun, Zou Wei and Li Xiguo.Role of Momentum Dependent Interaction in Fragmentation Process in Heavy Ion Collisions[J].IMP & HIRFL Annual Report,2001(1):12-12.
2Wu Zhongli.Systematic Evolution of Fragmentation Process[J].IMP & HIRFL Annual Report,1996(1):145-146.
3Liu Jianye, Guo Wenjun, Zuo Wei, Xing Yongzhong, Li Xiguo and Li Zenghua.Probing Isospin Dependence of In-medium Nucleon-nucleon Cross Section by Nucleon Emissions[J].IMP & HIRFL Annual Report,2001(1):9-9.
4刘建业,邢永忠,郭文军.Medium Influence of the Nucleon—Nucleon Cross Section on the Fragmentation[J].Chinese Physics Letters,2003,20(6):832-835.
5LIQing-feng,LIZhu-xia,MAOGuang-jun.The Study of Isospin Dependence of Nucleon-Nucleon Elastic Cross Section[J].Annual Report of China Institute of Atomic Energy,1999(0):19-19.
6Guo Wenjun, Liu Jianye, Xing Yongzhong, Zuo Wei and Li Xiguo.Influence of MDI on Nucleon Emissions at Intermediate Energy Heavy Ion Collisions[J].IMP & HIRFL Annual Report,2001(1):11-11.
7张芳,左维,陈继延,周振肖.Effect of entrance-channel asymmetry on the isospin dependence of nucleon emission in heavy ion collisions[J].Chinese Physics C,2008,32(7):561-564.
8Liu Jianye, Guo Wenjun, Ren Zhongzhou,Zuo Wei and Li Xiguo.Effect of Isospin Dependence of Nucleon-nucleon Cross Section on Neutron-proton Ratio of Nucleon Emissions as Increase of Neutron-proton Ratio of Collision System[J].近代物理研究所和兰州重离子加速器实验室年报：英文版,2005(1):13-13.
9Liu Jianye, Guo Wenjun, Ren Zhongzhou, Zuo Wei and Li Xiguo.Effect of Isospin Dependence of Nucleon-nucleon Cross Section on Momentum Dissipation as Increase of Neutron-proton Ratio of Collision System[J].近代物理研究所和兰州重离子加速器实验室年报：英文版,2005(1):9-9.
10刘建业,郭文军,邢永忠.Probing the medium effect and isospin dependence of the in-medium nucleon-nucleon cross section in heavy ion collisions[J].Chinese Physics B,2007,16(11):3305-3311.

IMP & HIRFL Annual Report

2001年第1期

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Probing Isospin Dependence of In-medium Nucleon-nucleon Cross Section by Fragmentation Process in Heavy Ion Collisions

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