Maximal Neutrino Mixing from Discrete Symmetry in Extra Dimensions

Preprint

1 December 2005

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ph/0512009

Abstract

I review the construction of a model for lepton masses based on the flavour symmetry group A4 x U(1) reproducing the so-called tri-bimaximal lepton mixing scheme, in eccelent agreement with current data. The model predicts a neutrino spectrum of normal hierarchy type, not far from degenerate. A testable relation between neutrino masses is obtained. I shortly discuss also general requirements for models based on spontaneously broken flavour symmetries, in order to get a maximal atmospheric mixing angle.

Keywords

REQUIREMENTS FOR MODELS
DISCRETE SYMMETRY
MAXIMAL NEUTRINO
FLAVOUR SYMMETRY
EXTRA DIMENSIONS
NEUTRINO MIXING
LEPTON

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Version 1, 2005-12-01, ArXiv

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