Neutrino mass and cosmological baryon excess in left-right symmetric grand unified theories

Details Neutrino mass and cosmological baryon excess in left-right symmetric grand unified theories Neutrino mass and cosmological baryon excess in left-right symmetric grand unified theories

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981phlb..106..183f&link_type=abstract

Physics Letters B, Volume 106, Issue 3, p. 183-187.

Physics

11

Scientific paper

In left-right symmetric grand unified theories both the smallness of the neutrino mass and a sizable cosmological baryon excess can be ascribed to a superheavy Majorana lepton. We show, taking SO(10) as the simplest model of this kind, that the largest neutrino mass is constrained to lie between 10-3 eV and 100 eV in order to give the observed magnitude of baryon excess.

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