强磁场下中子星外壳层的电子俘获

 以核素⁵⁶Co和⁵⁹Fe为例,讨论了强磁场中子星外壳层电子俘获.结果表明,绝大部分中子星表面的磁场范围10⁴~10⁹T,磁场对电子俘获率的影响很小.对于一些磁场范围为10⁹~10¹⁴T的超磁星,磁场可使电子俘获率大大降低,甚至可以降低3个量级.

Electron capture of strong magnetic field in the outer crusts of neutron stars

The electron capture of the nuclide ⁵⁶Co and ⁵⁹Fe,as the examples,are investigated in a strong magnetic field at the crusts of Neutron stars.The results show that the magnetic field has only a slight effect on the electron capture rates at the range of the magnetic fields(10⁴—10¹⁴ T)on surfaces of the most neutron stars.Whereas for some magnetars,the range of the magnetic field is 10⁹—10¹⁴ T,the electron capture rates would be debased greatly and maybe even decreased for 3 order magnitudes by the strong magnetic field.