Electron capture in fp shell at presupernova stage
Luo Zhi-Quan (罗志全)ab, Liu Men-Quan (刘门全)b, Lin Li-Bin (林理彬)a, Peng Qiu-He (彭秋和)c
a Department of Physics, Sichuan University, Chengdu 610065, China; b Institute of Theoretical physics, China West Normal University, Nanchong 637002, China; c Department of Astronomy, Nanjing University, Nanjing 210093, China
Abstract The electron capture of neutron-rich nuclei in fp shell in massive stars at presupernova stage is discussed based on the nuclear shell model. The Gamow-Teller resonance transition strength is modified by introducing a Gaussian function. As a result, the electron capture rate in high density is evidently larger than the previous results given by some authors.
Received: 14 October 2004
Revised: 07 February 2005
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundation of China (Grant No.10347008)
Cite this article:
Luo Zhi-Quan (罗志全), Liu Men-Quan (刘门全), Lin Li-Bin (林理彬), Peng Qiu-He (彭秋和) Electron capture in fp shell at presupernova stage 2005 Chinese Physics 14 1272
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