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题名: Probing equilibration with respect to isospin degree of freedom in intermediate energy heavy ion collisions
作者: Li, QF ;  Li, ZX
刊名: PHYSICAL REVIEW C
出版日期: 2001
卷号: 64, 期号:6, 页码:-
关键词: MULTIFRAGMENTATION
学科分类: Physics
通讯作者: Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
部门归属: Inst Atom Energy, Beijing 102413, Peoples R China; Natl Lab Lanzhou Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We have studied equilibration with respect to isospin degree of freedom in four 96 mass systems Ru-96 + Ru-96, Ru-96 + Zr-96, Zr-96 + Ru-96, and Zr-96 + Zr-96 at 100A MeV and 400A MeV with isospin-dependent quantum molecular dynamics. We propose that the neutron-proton differential rapidity distribution is a sensitive probe to the degree of equilibration with respect to the isospin degree of freedom. By analyzing the average N/Z ratio of emitted nucleons, light charged particles, and intermediate mass fragments (IMF), it is found that there exist memory effect in multi fragmentation process. The average N/Z ratio of IMF reduces largely as beam energy increases from 100A MeV to 400A MeV that may result from the change of the behavior of the isotope distribution of IMF charges. The isotope distribution of IMF charges does also show certain memory effect at 100A MeV case but not at 400A MeV case.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000172733000041
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13636
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Li, QF,Li, ZX. Probing equilibration with respect to isospin degree of freedom in intermediate energy heavy ion collisions[J]. PHYSICAL REVIEW C,2001,64(6):-.
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