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题名: Shell model method for Gamow-Teller transitions in heavy, deformed nuclei
作者: Gao, Zao-Chun ;  Sun, Yang ;  Chen, Y. -S.
刊名: PHYSICAL REVIEW C
出版日期: 2006
卷号: 74, 期号:5, 页码:-
关键词: WEAK-INTERACTION RATES ;  INTERMEDIATE-MASS NUCLEI ;  DOUBLE-BETA DECAY ;  RATE TABLES ;  ELEMENTS ;  ENVIRONMENTS ;  VIBRATIONS ;  STABILITY ;  ISOMER
学科分类: Physics
通讯作者: Gao, ZC , Univ Notre Dame, Joint Inst Nucl Astrophys, Notre Dame, IN 46556 USA
部门归属: Univ Notre Dame, Joint Inst Nucl Astrophys, Notre Dame, IN 46556 USA; Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA; Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA; Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA; China Inst Atom Energy, Beijing 102413, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: A method for calculation of Gamow-Teller transition rates is developed by using the concept of the Projected Shell Model (PSM). The shell model basis is constructed by superimposing angular-momentum-projected multiquasiparticle configurations, and nuclear wave functions are obtained by diagonalizing the two-body interactions in these projected states. Calculation of transition matrix elements in the PSM framework is discussed in detail, and the effects caused by the Gamow-Teller residual forces and by configuration-mixing are studied. With this method, it may become possible to perform a state-by-state calculation for beta-decay and electron-capture rates in heavy, deformed nuclei at finite temperatures. Our first example indicates that, while experimentally known Gamow-Teller transition rates from the ground state of the parent nucleus are reproduced, stronger transitions from some low-lying excited states are predicted to occur, which may considerably enhance the total decay rates once these nuclei are exposed to hot stellar environments.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000242409500012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5863
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:
Gao, Zao-Chun,Sun, Yang,Chen, Y. -S.. Shell model method for Gamow-Teller transitions in heavy, deformed nuclei[J]. PHYSICAL REVIEW C,2006,74(5):-.
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