Tetrahedral Family Symmetry and the Neutrino Mixing Matrix

Details Tetrahedral Family Symmetry and the Neutrino Mixing Matrix Tetrahedral Family Symmetry and the Neutrino Mixing Matrix

2005-08-09

arxiv.org/abs/hep-ph/0508099v1

Mod.Phys.Lett. A20 (2005) 2601-2606

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, no figure

Scientific paper

10.1142/S0217732305018736

In a new application of the discrete non-Abelian symmetry A_4 using the
canonical seesaw mechanism, a three-parameter form of the neutrino mass matrix
is derived. It predicts the following mixing angles for neutrino oscillations:
theta_{13}=0, sin^2 theta_{23}=1/2, and sin^2 theta_{12} close, but not exactly
equal to 1/3, in one natural symmetry limit.

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