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题名: Particle transfer and fusion cross-section for super-heavy nuclei in dinuclear system
作者: Li, Wenfei ;  Wang, Nan ;  Jia, Fei ;  Xu, Hushan ;  Zuo, Wei ;  Li, Qingfeng ;  Zhao, Enguang ;  Li, Junqing ;  Scheid, W.
刊名: JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
出版日期: 2006
卷号: 32, 期号:8, 页码:1143-1155
关键词: MICROSCOPIC TRANSPORT-THEORY ;  ION COLLISIONS ;  QUASI-FISSION ;  ANGULAR-MOMENTUM ;  COMPETITION ;  MODEL ;  FRAGMENTATION ;  COEFFICIENTS ;  RELAXATION ;  ELEMENTS
学科分类: Physics
通讯作者: Li, JQ , Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
部门归属: Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China; Shenzhen Univ, Coll Sci, Dept Phys, Shenzhen 518060, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: Within the dinuclear system (DNS) conception, instead of solving the Fokker-Planck equation (FPE) analytically, the master equation is solved numerically to calculate the fusion probability of super-heavy nuclei, so that the harmonic oscillator approximation to the potential energy of the DNS is avoided. The relative motion concerning the energy, the angular momentum and the fragment deformation relaxations is explicitly treated to couple with the diffusion process. The nucleon transition probabilities, which are derived microscopically, are related with the energy dissipation of the relative motion. Thus they are time dependent. Comparing with the analytical solution of FPE at the equilibrium, our time-dependent results preserve more dynamical effects. The calculated evaporation residue cross-sections for one-neutron emission channel of Pb-based reactions are basically in agreement with the known experimental data within one order of magnitude.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000239670500009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5935
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, Wenfei,Wang, Nan,Jia, Fei,et al. Particle transfer and fusion cross-section for super-heavy nuclei in dinuclear system[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2006,32(8):1143-1155.
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