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ABSTRACT

Fassio-Canuto 1969

Fassio-Canuto, L., 1969: Neutron beta decay in a strong magnetic field. Phys. Rev., 187, 2141-2146, doi:10.1103/PhysRev.187.2141.

The β decay of a neutron in a strong quantizing magnetic field is studied by making use of the exact Dirac wave function for the electron in a magnetic field of arbitrary strength. The general conclusion is that the lifetime is unaffected by the magnetic field for H<1012 G. For H>1012 G, the lifetime in a vacuum is appreciably decreased. This conclusion is still valid when the decay takes place in a degenerate electron gas at densities lower than 106 g/cm3. At higher densities, the lifetime in a magnetic field tends to reach the value in the absence of the field, for any field strength.

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