ITP OpenIR  > SCI期刊论文
Gao, Zao-Chun; Sun, Yang; Chen, Y. -S.; Gao, ZC , Univ Notre Dame, Joint Inst Nucl Astrophys, Notre Dame, IN 46556 USA
Shell model method for Gamow-Teller transitions in heavy, deformed nuclei
Source PublicationPHYSICAL REVIEW C
KeywordWeak-interaction Rates Intermediate-mass Nuclei Double-beta Decay Rate Tables Elements Environments Vibrations Stability Isomer
AbstractA 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.
2006
ISSN0556-2813
Volume74Issue:5Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5863
CollectionSCI期刊论文
Corresponding AuthorGao, ZC , Univ Notre Dame, Joint Inst Nucl Astrophys, Notre Dame, IN 46556 USA
Recommended Citation
GB/T 7714
Gao, Zao-Chun,Sun, Yang,Chen, Y. -S.,et al. Shell model method for Gamow-Teller transitions in heavy, deformed nuclei[J]. PHYSICAL REVIEW C,2006,74(5):-.
APA Gao, Zao-Chun,Sun, Yang,Chen, Y. -S.,&Gao, ZC , Univ Notre Dame, Joint Inst Nucl Astrophys, Notre Dame, IN 46556 USA.(2006).Shell model method for Gamow-Teller transitions in heavy, deformed nuclei.PHYSICAL REVIEW C,74(5),-.
MLA Gao, Zao-Chun,et al."Shell model method for Gamow-Teller transitions in heavy, deformed nuclei".PHYSICAL REVIEW C 74.5(2006):-.
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