A tight SO(10) connection between leptogenesis and neutrino masses

Details A tight SO(10) connection between leptogenesis and neutrino masses A tight SO(10) connection between leptogenesis and neutrino masses

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1078..369f&link_type=abstract

SUPERSYMMETRY AND THE UNIFICATION OF FUNDAMENTAL INTERACTIONS. AIP Conference Proceedings, Volume 1078, pp. 369-371 (2008).

Physics

Neutrino Mass And Mixing, Unified Theories And Models Of Strong And Electroweak Interactions, Supergravity

Scientific paper

We discuss [1] a source of light neutrino masses and leptogenesis in SO(10) unification theories, that was not previously recognized. It is present when the light lepton doublets belong (at least partially) to dimension-10 matter multiplets. At odds with previous leptogenesis scenarios, the CP asymmetry depends only on the low energy flavour parameters of the neutrino sector. We demonstrate that a successful generation of the baryon asymmetry of the Universe is possible.

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