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Mu-tau antisymmetry and neutrino mass matrices
Walter Grimus, Satoru Kaneko, Luis Lavoura +2
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 antisymmetri…
A model realizing the Harrison-Perkins-Scott lepton mixing matrix
W. Grimus, L. Lavoura
We present a supersymmetric model in which the lepton mixing matrix obeys, at the seesaw scale, the Harrison--Perkins--Scott \textit{Ansatz}--vanishing , maximal atmosp…
S3 x Z2 model for neutrino mass matrices
W. Grimus, L. Lavoura
We propose a model for lepton mass matrices based on the seesaw mechanism, a complex scalar gauge singlet and a horizontal symmetry $S_3 \times \mathbbm{Z}_2$. In a suitable weak b…
Two predictive supersymmetric S3 x Z2 models for the quark mass matrices
Luis Lavoura, Ernest Ma
We propose two simple models for the quark mass matrices which may be implemented through an S3 x Z2 symmetry in a supersymmetric context. Each model has eight parameters and, ther…