Abstract In this paper electron capture on iron group nuclei in crusts of neutron stars in a strong magnetic field is investigated. The results show that the magnetic fields have only a slight effect on electron capture rates in a range of 10$^{8}-10^{13}$G on surfaces of most neutron stars, whereas for some magnetars the magnetic fields range from 10$^{13}$ to 10$^{18}$ G. The electron capture rates of most iron group nuclei are greatly decreased, reduced by even four orders of magnitude due to the strong magnetic field.
Received: 12 December 2006
Revised: 02 July 2007
Accepted manuscript online:
PACS:
23.40.-s
(β-decay;double β-decay; electron and muon capture)
Fund: Project supported
by the National Natural Science Foundation of China (Grant No 10347008).
Cite this article:
Liu Jing-Jing(刘晶晶), Luo Zhi-Quan(罗志全), Liu Hong-Lin(刘宏林), and Lai Xiang-Jun(赖祥军) Effect of strong magnetic field on electron capture of iron group nuclei in crusts of neutron stars 2007 Chinese Physics 16 2671
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