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Wang, N; Wu, T; Zeng, J; Yang, YX; Ou, L; Wang, N (reprint author), Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China.; Wang, N (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Improvement on Fermionic properties and new isotope production in molecular dynamics simulations
Source PublicationJOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
Language英语
KeywordMolecular Dynamics Multifragmentation Phase Space Occupation Neutron-rich Heavy-ion Collision
AbstractBy 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.
2016
Volume43Issue:6Pages:65101
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1088/0954-3899/43/6/065101
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11275052, 11265004, 11365004, 11365005, 11422548, 11547307] ; National Natural Science Foundation of China [11275052, 11265004, 11365004, 11365005, 11422548, 11547307] ; National Natural Science Foundation of China [11275052, 11265004, 11365004, 11365005, 11422548, 11547307] ; National Natural Science Foundation of China [11275052, 11265004, 11365004, 11365005, 11422548, 11547307] ; Guangxi Natural Science Foundation [2015GXNSFDA139004] ; Guangxi Natural Science Foundation [2015GXNSFDA139004] ; Guangxi Natural Science Foundation [2015GXNSFDA139004] ; Guangxi Natural Science Foundation [2015GXNSFDA139004] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF041CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF041CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF041CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF041CJ1]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21639
CollectionSCI期刊论文
Corresponding AuthorWang, N (reprint author), Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China.; Wang, N (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wang, N,Wu, T,Zeng, J,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 Wang, N.,Wu, T.,Zeng, J.,Yang, YX.,Ou, L.,...&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 Wang, N,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.
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