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Chinese Physics, 2006, Vol. 15(7): 1477-1480    DOI: 10.1088/1009-1963/15/7/016
NUCLEAR PHYSICS Prev   Next  

Influence of strong magnetic field on $\beta$ decay in the crusts of neutron stars

Zhang Jie (张洁), Liu Men-Quan (刘门全), Luo Zhi-Quan (罗志全)
Institute of Theoretical Physics, China West Normal University, Nanchong 637002, China
Abstract  $\beta$ decay in the strong magnetic field of the crusts of neutron stars is analysed by an improved method. The reactions 67 Ni($\beta$-)67 Cu and 62 Mn($\beta$-)62 Fe are investigated as examples. The results show that a weak magnetic field has little effect on βdecay but a strong magnetic field (>1012G) increases $\beta$ decay rates obviously. The conclusion derived may be crucial to the research of late evolution of neutron stars and nucleosynthesis in r-process.
Keywords:  $\beta$ decay      strong magnetic field      neutron star  
Received:  01 November 2005      Revised:  16 January 2006      Accepted manuscript online: 
PACS:  97.60.Jd (Neutron stars)  
  23.40.-s (β-decay;double β-decay; electron and muon capture)  
  95.30.Cq (Elementary particle processes)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10347008).

Cite this article: 

Zhang Jie (张洁), Liu Men-Quan (刘门全), Luo Zhi-Quan (罗志全) Influence of strong magnetic field on $\beta$ decay in the crusts of neutron stars 2006 Chinese Physics 15 1477

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