Cosmological implications of observable neutron-antineutron oscillations

Details Cosmological implications of observable neutron-antineutron oscillations Cosmological implications of observable neutron-antineutron oscillations

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984zphyc..21..327l&link_type=abstract

Zeitschrift für Physik C Particles and Fields, Volume 21, Issue 4, pp.327-331

Mathematics

Logic

Scientific paper

A wide class of gauge theoretical models allowing for observable neutron-antineutron oscillations predict no baryon asymmetry in the present universe. This is to be traced back to the existence of baryon-violating interactions in equilibrium at the characteristic mass scale of neutron-antineutron oscillations. Then, we show how these models can be modified in such a way that a very late cosmological baryon asymmetry survives in the today universe. Specifically, we consider two recently proposed baryon-production mechanisms, one of which can be naturally embedded in a grand unification scheme and can lead to observable nucleon decay processes occurring only through B-L violating but B+L conserving channels.

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