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题名: Half-lives of alpha decay from natural nuclides and from superheavy elements
作者: Qian, YB ;  Ren, ZZ
刊名: PHYSICS LETTERS B
出版日期: 2014
卷号: 738, 期号:-, 页码:87-91
关键词: NUCLEI ;  RADIOACTIVITY ;  POTENTIALS ;  SCATTERING ;  EMISSION ;  STATES ;  MODEL
学科分类: Physics
DOI: 10.1016/j.physletb.2014.09.024
通讯作者: Qian, YB (reprint author), Nanjing Univ, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.
部门归属: [Qian, Yibin
英文摘要: Recently, experimental researches on the alpha decay with long lifetime are one of hot topics in the contemporary nuclear physics [e. g. N. Kinoshita et al. (2012) [2] and J.W. Beeman et al. (2012) [4]]. In this study, we have systematically investigated the extremely long-lived alpha-decaying nuclei within ageneralized density-dependent cluster model involving the experimental nuclear charge radii. In detail, the important density distribution of daughter nuclei is deduced from the corresponding experimental charge radii, leading to an improved alpha-core potential in the quantum tunneling calculation of alpha-decay width. Besides the excellent agreement between theory and experiment, predictions on half-lives of possible candidates for natural alpha emitters are made for future experimental detections. In addition, the recently confirmed alpha-decay chain from (294)117 is well described, including the attractive long-lived alpha-decaying (270)Db, i.e., a positive step towards the "island of stability" in the superheavy mass region. (C) 2014 The Authors. Published by Elsevier B.V.
资助者: National Natural Science Foundation of China [11035001, 10975072, 10735010, 11375086, 11120101005]; 973 National Major State Basic Research and Development of China [2010CB327803, 2013CB834400]; CAS Knowledge Innovation Project [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:000344624900011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15573
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Qian, YB,Ren, ZZ. Half-lives of alpha decay from natural nuclides and from superheavy elements[J]. PHYSICS LETTERS B,2014,738(-):87-91.
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