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题名: Unfavored alpha decay from ground state to ground state in the range 53 <= Z <= 91
作者: Qian, YB ;  Ren, ZZ
刊名: PHYSICAL REVIEW C
出版日期: 2012
卷号: 85, 期号:2, 页码:27306
关键词: ATOMIC NUCLEUS ;  SHELL ;  EMISSION ;  MODEL
学科分类: Physics
通讯作者: Qian, YB (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
部门归属: [Qian, Yibin; Ren, Zhongzhou] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China; [Ren, Zhongzhou] Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Ren, Zhongzhou] Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
英文摘要: Within the density-dependent cluster model, we have systematically investigated partial alpha-decay half-lives of ground-state (g.s.)-to-g.s. transitions. Emphasis is placed on the unfavored a transitions in the range 53 <= Z <= 91 of both odd-A and odd-odd nuclei. The alpha-preformation factor is estimated by means of the multiplication of the valence proton and neutron numbers NPNN, in addition to the constant formation factor for one kind of nuclei. By introducing a centrifugal term, the previous empirical relation for alpha-decay half-lives of our group is improved to reproduce a large number of experimental data including these unfavored transitions. Whatever concerns the theoretical calculation or the analytical expression, the agreement between theory and experiment is satisfied. This indicates that these studied unfavored g.s.-to-g.s. alpha decays can be reasonably described within the present approach extended from the treatment of favored ones.
资助者: National Natural Science Foundation of China [11035001, 10975072, 10735010, 11120101005]; 973 National Major State Basic Research and Development of China [2007CB815004, 2010CB327803]; CAS [KJCX2-SW-N02]; Research Fund of Doctoral Point (RFDP) [20100091110028]; Project Funded by the Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD)
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000300420800006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15157
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Qian, YB,Ren, ZZ. Unfavored alpha decay from ground state to ground state in the range 53 <= Z <= 91[J]. PHYSICAL REVIEW C,2012,85(2):27306.
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