Journal
PHYSICS LETTERS B
Volume 697, Issue 4, Pages 339-342Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2011.02.019
Keywords
Flavor symmetries; Dark matter; Neutrino masses; Lepton mixing; Discrete symmetries; Neutrino less double beta decay
Funding
- Spanish MICINN [FPA2008-00319/FPA, MULTIDARK CSD2009-00064]
- EU [UNILHC PITN-GA-2009-237920]
- Juan de la Cierva
- CONACyT (Mexico)
- Deutsche Forschungs-gemeinschaft [WI 2639/2-1]
- [Prometeo/2009/091]
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We present a model based on the A(4) non-Abelian discrete symmetry leading to a predictive five-parameter neutrino mass matrix and providing a stable dark matter candidate. We found an interesting correlation among the atmospheric and the reactor angles which predicts theta(23) similar to pi/4for very small reactor angle and deviation from maximal atmospheric mixing for large theta(13). Only normal neutrino mass spectrum is possible and the effective mass entering the neutrinoless double beta decay rate is constrained to be vertical bar m(ee)vertical bar > 4 x 10(-4) eV. (C) 2011 Elsevier B.V. All rights reserved.
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