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arXiv · hep-ph/0510326

Mu-tau antisymmetry and neutrino mass matrices

Walter Grimus·Satoru Kaneko·Luis Lavoura·Hideyuki Sawanaka·Morimitsu Tanimoto
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Abstract

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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Walter Grimus, Satoru Kaneko, Luis Lavoura, Hideyuki Sawanaka, Morimitsu Tanimoto. 2005-10-25. Mu-tau antisymmetry and neutrino mass matrices. https://doi.org/10.1088/1126-6708%2F2006%2F01%2F110

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