Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP01(2012)016
Keywords
Neutrino Physics; GUT
Categories
Funding
- Spanish MICINN [FPA2008-00319/FPA, FPA2011-22975, MULTIDARK CAD2009-00064]
- Generalitat Valenciana [Prometeo/2009/091]
- EU Network [UNILHC PITN-GA-2009-237920]
- AHEP
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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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