Electron capture rates for iron group nuclei at the surface of magnetar

doi:10.1088/1674-1056/22/12/129701

Abstract Effects of an ultra-strong magnetic field on electron capture rates for ⁵⁵Co are analyzed in the nuclear shell model and under the Landau energy levels quantized approximation in the ultra-strong magnetic field, and the electron capture rates on 10 abundant iron group nuclei at the surface of a magnetar are given. The results show that electron capture rates on ⁵⁵Co are increased greatly in the ultra-strong magnetic field, by about 3 orders of magnitude generally. These conclusions play an important role in future study of the evolution of magnetars.

Keywords: electron capture magnetar

Received: 19 March 2013
Revised: 16 July 2013
Accepted manuscript online:

PACS:	97.60.-s	(Late stages of stellar evolution (including black holes))
	95.85.Sz	(Gravitational radiation, magnetic fields, and other observations)
	23.40.-s	(β-decay;double β-decay; electron and muon capture)

Fund: Project supported by the National Natural Science Foundation of China (Grand No. U1331121 and 11273020).

Corresponding Authors: Du Jun
E-mail: dduujjuunn@163.com

Cite this article:

Luo Xia (罗夏), Du Jun (杜军), Li Ping-Ping (李平平) Electron capture rates for iron group nuclei at the surface of magnetar 2013 Chin. Phys. B 22 129701

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Electron capture rates for iron group nuclei at the surface of magnetar

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