Neutrino emission due to proton pairing in neutron stars
Abstract
We calculate the neutrino energy emission rate due to singlet-state pairing of protons in the neutron star cores taking into account the relativistic correction to the non-relativistic rate. The non-relativistic rate is numerically small, and the relativistic correction appears to be about 10 -- 50 times larger. It plays thus the leading role, reducing great difference between the neutrino emissions due to pairing of protons and neutrons. The results are important for simulations of neutron star cooling.
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