Beta Decay Theory in the Projected Shell Model

GAO Zao-Cun; SUN Yang; CHEN Yong-Shou

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2006, Vol. 30> Issue(S2) : 65-67

Beta Decay Theory in the Projected Shell Model

China Institute of Atomic Energy, Beijing 102413, China2 University of Notre Dame, Notre Dame, Indiana 46556, USA

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Abstract：
A method for calculation of Gamow-Teller transition is developed in the framework of the Projected Shell Model (PSM). The shell model wavefunction is the superposition of the angular-momentum-projected multi-quasiparticle configurations. Calculation of transition matrix elements in the PSM is briefly discussed. 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.

References

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GAO Zao-Cun, SUN Yang and CHEN Yong-Shou. Beta Decay Theory in the Projected Shell Model[J]. Chinese Physics C, 2006, 30(S2): 65-67.

GAO Zao-Cun, SUN Yang and CHEN Yong-Shou. Beta Decay Theory in the Projected Shell Model[J]. Chinese Physics C, 2006, 30(S2): 65-67. shu

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Received: 2006-10-13
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Beta Decay Theory in the Projected Shell Model

Corresponding author: GAO Zao-Cun,

China Institute of Atomic Energy, Beijing 102413, China2 University of Notre Dame, Notre Dame, Indiana 46556, USA

Received Date: 2006-10-13
Accepted Date: 1900-01-01
Available Online: 2006-01-03

Abstract: A method for calculation of Gamow-Teller transition is developed in the framework of the Projected Shell Model (PSM). The shell model wavefunction is the superposition of the angular-momentum-projected multi-quasiparticle configurations. Calculation of transition matrix elements in the PSM is briefly discussed. 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.