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Probing equilibration with respect to isospin degree of freedom in intermediate energy heavy ion collisions
Li, QF; Li, ZX; Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
2001
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号64期号:6页码:-
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.
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
关键词Multifragmentation
学科领域Physics
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收录类别SCI
WOS记录号WOS:000172733000041
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被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13636
专题理论物理所SCI论文
通讯作者Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
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Li, QF,Li, ZX,Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.. Probing equilibration with respect to isospin degree of freedom in intermediate energy heavy ion collisions[J]. PHYSICAL REVIEW C,2001,64(6):-.
APA Li, QF,Li, ZX,&Li, QF , Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China..(2001).Probing equilibration with respect to isospin degree of freedom in intermediate energy heavy ion collisions.PHYSICAL REVIEW C,64(6),-.
MLA Li, QF,et al."Probing equilibration with respect to isospin degree of freedom in intermediate energy heavy ion collisions".PHYSICAL REVIEW C 64.6(2001):-.
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