Mu-tau antisymmetry and neutrino mass matrices

Details Mu-tau antisymmetry and neutrino mass matrices Mu-tau antisymmetry and neutrino mass matrices

2005-10-25

arxiv.org/abs/hep-ph/0510326v1

JHEP 0601 (2006) 110

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages of text, 7 figures

Scientific paper

10.1088/1126-6708/2006/01/110

Using the seesaw mechanism and a discrete symmetry, we construct a class of models for the neutrino mass matrix where the inverse of that matrix is the sum of a mu-tau antisymmetric background and a perturbation. We consider various possibilities for that perturbation. The simplest possible perturbations lead to four-parameter neutrino mass matrices which are unable to fit the experimental data. More complicated perturbations give rise to viable six-parameter mass matrices; we present detailed predictions of each of them.

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