Leptonic Fritzsch Matrices and Neutrino Oscillations

Details Leptonic Fritzsch Matrices and Neutrino Oscillations Leptonic Fritzsch Matrices and Neutrino Oscillations

1993-03-17

arxiv.org/abs/hep-ph/9303275v1

Phys.Lett.B311:172-178,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages in LaTeX, one figure avialable on request, BA-93-09

Scientific paper

10.1016/0370-2693(93)90551-R

It was recently shown by the authors that the Fritzsch ansatz for the quark mass matrices prescribed at the supersymmetric grand unified scale is compatible with a moderately heavy top quark ($m_t \simeq 120-150~GeV$). Here we extend the ansatz to incorporate the charged leptons and the neutrinos. It is found that the $\nu_e-\nu_\mu$ mixing angle is small and consistent with the MSW solution of the solar neutrino puzzle. Furthermore, the model predicts observable $\nu_\mu-\nu_\tau$ oscillations with sin$^22\theta_{\mu \tau} \simeq 0.1$ and $\nu_\tau$ mass in the $(1-3)~eV$ range.

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