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Projected shell model for Gamow-Teller transitions in heavy, deformed nuclei
Wang, LJ; Sun, Y1; Gao, ZC; Ghorui, SK
2016
Conference Name13th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG)
Source Publication13TH INTERNATIONAL SYMPOSIUM ON ORIGIN OF MATTER AND EVOLUTION OF GALAXIES (OMEG2015)
Volume109
Pages5001
Conference DateJUN 24-27, 2015
Conference PlaceBeijing, PEOPLES R CHINA
Publication PlaceCEDEX A
ISSN2100-014X
PublisherE D P SCIENCES
AbstractCalculations of Gamow-Teller (GT) transition rates for heavy, deformed nuclei, which are useful input for nuclear astrophysics studies, are usually done with the quasiparticle random-phase approximation. We propose a shell-model method by applying the Projected Shell Model (PSM) based on deformed bases. With this method, it is possible to perform a state-by-state calculation for nuclear matrix elements for beta-decay and electron-capture in heavy nuclei. Taking beta(-) decay from Dy-168 to Ho-168 as an example, we show that the known experimental B(GT) from the ground state of the mother nucleus to the low-lying states of the daughter nucleus could be well described. Moreover, strong transitions to high-lying states are predicted to occur, which may considerably enhance the total decay rates once these nuclei are exposed to hot stellar environments.
KeywordWEAK-INTERACTION RATES INTERMEDIATE-MASS NUCLEI HIGH-SPIN SPECTROSCOPY DOUBLE-BETA DECAY RATE TABLES SUPERHEAVY ELEMENTS CAPTURE RATES ENVIRONMENTS EXCITATIONS SUPERNOVAE
DOI10.1051/epjconf/201610905001
URL查看原文
Indexed ByCPCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
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Document Type会议论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23571
CollectionSCI会议论文
Affiliation1.Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China
2.Shanghai Jiao Tong Univ, Collaborat Innovat Ctr IFSA CICIFSA, Shanghai 200240, Peoples R China
3.China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China
4.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, LJ,Sun, Y,Gao, ZC,et al. Projected shell model for Gamow-Teller transitions in heavy, deformed nuclei[C]. CEDEX A:E D P SCIENCES,2016:5001.
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