Isomeric Lepton Mass Matrices and Bi-large Neutrino Mixing

Details Isomeric Lepton Mass Matrices and Bi-large Neutrino Mixing Isomeric Lepton Mass Matrices and Bi-large Neutrino Mixing

2004-03-25

arxiv.org/abs/hep-ph/0403261v1

Phys.Lett. B593 (2004) 156-164

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 6 figures

Scientific paper

10.1016/j.physletb.2004.04.059

We show that there exist six parallel textures of the charged lepton and neutrino mass matrices with six vanishing entries, whose phenomenological consequences are exactly the same. These {\it isomeric} lepton mass matrices are compatible with current experimental data at the $3\sigma$ level. If the seesaw mechanism and the Fukugita-Tanimoto-Yanagida hypothesis are taken into account, it will be possible to fit the experimental data at or below the $2\sigma$ level. In particular, the maximal atmospheric neutrino mixing can be reconciled with a strong neutrino mass hierarchy in the seesaw case.

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