Constraints on sterile neutrinos from SN 1987A

Details Constraints on sterile neutrinos from SN 1987A Constraints on sterile neutrinos from SN 1987A

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..46.3682m&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 46, Issue 8, 15 October 1992, pp.3682-3685

Mathematics

Logic

3

Quark And Lepton Masses And Mixing, Neutral Currents, Neutron Stars

Scientific paper

We consider flavor-changing neutral-current scattering of neutrinos within the core of a protoneutron star, in a scenario where an SU(2)L-singlet neutrino (νs) mixes with the electron neutrino (νe). Using the scattering cross sections and the observed duration of neutrino bursts, we derive constraints on the masses and mixing angles of the singlet neutrinos, and compare them with the already suggested cosmological constraints.

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