Constraints on the mass of unstable neutrinos from the supernova

Details Constraints on the mass of unstable neutrinos from the supernova Constraints on the mass of unstable neutrinos from the supernova

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phlb..198..143l&link_type=abstract

Physics Letters B, Volume 198, Issue 2, p. 143-145.

Physics

Scientific paper

The cosmological constraint together with the information obtained from the supernova could be used to give a lower bound on the mass of unstable neutrinos. It is shown that if the only viable channel for the unstable neutrino decay is through three lighter neutrinos, the mass of this particle should be heavier than about 500 eV.
I wish to thank Professor Ling-Fong Li and Professor Lincoln Wolfenstein for valuable discussions. This work was supported in part by the US Department of Energy.

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