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Li, QF; Li, ZX; Li, ZX , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
The isospin distribution of fragments in reactions Ru-96+Ru-96, Ru-96+Zr-96, Zr-96+Ru-96, and Zr-96+Zr-96 at beam energy 400 AMeV
Source PublicationMODERN PHYSICS LETTERS A
KeywordAsymmetric Nuclear-matter Heavy-ion Collisions Dynamics Equation State Model Mass
AbstractThe isospin distribution of particles and fragments in collisions Ru-96 + Ru-96, Ru-96 Zr-96, Zr-96 + Ru-96 and Zr-96 + Zr-96 at beam energy 400 AMeV is studied with isospin-dependent QMD model. We find that the rapidity distribution of differential neutron-proton counting in neutron rich nucleus-nucleus collisions at intermediate energies is sensitive to the isospin-dependent part of nuclear potential. The study of the N/Z ratio of nucleons, light charged particles (LCP) and intermediate mass fragments (IMF) shows that the isospin-dependent part of nuclear potential drives IMF to be more isospin symmetric and emitted nucleons to be more neutron rich. From the study of the time evolution of the isospin distribution in emitted nucleons, LCP and IMF we find that neutrons diffuse much faster than protons at the beginning and the final isospin distribution is a result of dynamical balance of symmetry potential and Coulomb force under the charge conservation.
2002
ISSN0217-7323
Volume17Issue:7Pages:375-385
Subject AreaPhysics
Indexed BySCI
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13572
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, ZX , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
Recommended Citation
GB/T 7714
Li, QF,Li, ZX,Li, ZX , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.. The isospin distribution of fragments in reactions Ru-96+Ru-96, Ru-96+Zr-96, Zr-96+Ru-96, and Zr-96+Zr-96 at beam energy 400 AMeV[J]. MODERN PHYSICS LETTERS A,2002,17(7):375-385.
APA Li, QF,Li, ZX,&Li, ZX , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China..(2002).The isospin distribution of fragments in reactions Ru-96+Ru-96, Ru-96+Zr-96, Zr-96+Ru-96, and Zr-96+Zr-96 at beam energy 400 AMeV.MODERN PHYSICS LETTERS A,17(7),375-385.
MLA Li, QF,et al."The isospin distribution of fragments in reactions Ru-96+Ru-96, Ru-96+Zr-96, Zr-96+Ru-96, and Zr-96+Zr-96 at beam energy 400 AMeV".MODERN PHYSICS LETTERS A 17.7(2002):375-385.
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