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题名: Systematic study of new data for extreme alpha decays
作者: Qian, YB ;  Ren, ZZ
刊名: PHYSICAL REVIEW C
出版日期: 2011
卷号: 84, 期号:6, 页码:64307
关键词: PROTON RADIOACTIVITY ;  SPONTANEOUS FISSION ;  SUPERHEAVY NUCLEI ;  HEAVY ELEMENTS ;  MODEL ;  SCATTERING ;  DISCOVERY ;  LIFETIMES ;  EMISSION ;  PARTICLE
学科分类: Physics
通讯作者: Qian, YB (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
部门归属: [Qian, Yibin; Ren, Zhongzhou] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China; [Ren, Zhongzhou] Kavli Inst Theoret Phys, 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: Recently discovered alpha decays with new or improved data, covering naturally occurring alpha emitters with long lifetimes, short-lived ones approaching the proton drip line, and decays of heavy and superheavy elements, have been studied in a systematic investigation within the modified two-potential approach for deformed nuclei by constructing the microscopic double-folding potential. It is found that the experimental half-lives are well reproduced in the density-dependent cluster model. Some predictions on natural alpha emitters and alpha decays of several proton emitters are made in this study. Moreover, the alpha-decay half-lives of even-even superheavy nuclei with Z = 110-114 and N = 184-194 are estimated to pursue the quite stable nuclei around the proton Z similar to 114 and neutron N similar to 184 shell closures. These predictions can be useful for future experiments aimed at searching for long-lived natural elements.
资助者: National Natural Science Foundation of China [11035001, 11120101005, 10735010, 10975072]; 973 National Major State Basic Research and Development of China [2007CB815004, 2010CB327803]; CAS [KJCX2-SW-N02]; Research Fund of Doctoral Point (RFDP) [20100091110028]; 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:000297802700001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14211
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Qian, YB,Ren, ZZ. Systematic study of new data for extreme alpha decays[J]. PHYSICAL REVIEW C,2011,84(6):64307.
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