An A4 model for neutrinos

Details An A4 model for neutrinos An A4 model for neutrinos

2010-10-13

arxiv.org/abs/1010.2614v1

J.Phys.Conf.Ser.259:012093,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in the proceedings of PASCOS 2010, the 16th International Symposium on Particles, Strings and Cosmology, Valencia, S

Scientific paper

10.1088/1742-6596/259/1/012093

The study of an extension of the standard model based on the flavor symmetry A4 is presented. Neutrino Majorana mass terms arise from dimension five operator and charged lepton masses from renormalizable Yukawa couplings. We introduce three Higgs doublets that belong to one triplet irreducible representation of A4. We study the most general A4-invariant scalar potential and the phenomenological consequences of the model. We find that the reactor angle could be as large as 0.03, while the atmospheric mixing angle is close to maximal.

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