Neutron decay in the early universe

Details Neutron decay in the early universe Neutron decay in the early universe

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nuphs..16..656b&link_type=abstract

Nuclear Physics B Proceedings Supplements, Volume 16, p. 656-658.

Physics

Nuclear Physics

Scientific paper

Finite temperature photonic radiative corrections to the weak neutron-proton decay rates have been examined in the framework of real time field theory. Infrared and collinear singularities were found to cancel in the total neutron <--> proton conversion rates at 0(α). The perturbative expansion of these rates thus appears to be valid and helium abundance extimates based on the Born approximation may be legitimate.

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