Fermion masses and mixing with tri-bimaximal in SO(10) with type-I seesaw

Details Fermion masses and mixing with tri-bimaximal in SO(10) with type-I seesaw Fermion masses and mixing with tri-bimaximal in SO(10) with type-I seesaw

2011-09-15

arxiv.org/abs/1109.3396v3

JHEP 1201: 016,2012

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, journal version, minor comments and reference added

Scientific paper

We study a class of models for tri-bimaximal neutrino mixing in SO(10) grand unified SUSY framework. Neutrino masses arise from both type-I and type-II seesaw mechanisms. We use dimension five operators in order to not spoil tri-bimaximal mixing by means of type-I contribution in the neutrino sector. We show that it is possible to fit all fermion masses and mixings including also the recent T2K result as deviation from the tri-bimaximal.

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