Improvement on Fermionic properties and new isotope production in molecular dynamics simulations
文献类型:期刊论文
作者 | Ou, L; Wang, N (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Wang, N; Wu, T; Zeng, J; Yang, YX; Wang, N (reprint author), Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China. |
刊名 | JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
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出版日期 | 2016 |
卷号 | 43期号:6页码:65101 |
关键词 | Molecular Dynamics Multifragmentation Phase Space Occupation Neutron-rich Heavy-ion Collision |
DOI | http://dx.doi.org/10.1088/0954-3899/43/6/065101 |
英文摘要 | By considering momentum transfer in the Fermi constraint procedure, the stability of the initial nuclei and fragments produced in heavy-ion collisions can be further improved in quantum molecular dynamics simulations. The case of a phase-space occupation probability larger than one is effectively reduced with the proposed procedure. Simultaneously, the energy conservation can be better described for both individual nuclei and heavy-ion reactions. With the revised version of the improved quantum molecular dynamics model, the fusion excitation functions of O-16+W-186 and the central collisions of Au+Au at 35 AMeV are re-examined. The fusion cross sections at sub-barrier energies and the charge distribution of fragments are relatively better reproduced due to the reduction of spurious nucleon emission. The charge and isotope distribution of fragments in Xe+Sn, U+U and Zr+Sn at intermediate energies are also predicted. More unmeasured extremely neutron-rich fragments with Z = 16-28 are observed in the central collisions of U-238+U-238 than that of Zr-96+Sn-124, which indicates that multi-fragmentation of U+U may offer a fruitful pathway to new neutron-rich isotopes. |
学科主题 | Physics |
语种 | 英语 |
源URL | [http://ir.itp.ac.cn/handle/311006/21639] ![]() |
专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
通讯作者 | Wang, N (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Wang, N (reprint author), Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China. |
推荐引用方式 GB/T 7714 | Ou, L,Wang, N ,Wang, N,et al. Improvement on Fermionic properties and new isotope production in molecular dynamics simulations[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2016,43(6):65101. |
APA | Ou, L.,Wang, N .,Wang, N.,Wu, T.,Zeng, J.,...&Wang, N .(2016).Improvement on Fermionic properties and new isotope production in molecular dynamics simulations.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,43(6),65101. |
MLA | Ou, L,et al."Improvement on Fermionic properties and new isotope production in molecular dynamics simulations".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 43.6(2016):65101. |
入库方式: OAI收割
来源:理论物理研究所
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