Pseudo-Dirac Neutrinos

Abstract

We propose a scheme in which a pseudo-Dirac structure for three family of light neutrinos is generated naturally. An extended Higgs sector with a majoron is used for the generation of the leptonic number violating neutrino Majorana mass. The resultant neutrino mass matrix could easily fit all available experimental data. We discuss relevant constraints on the scales involved for the model to be phenomenologically viable.

12 pages Revtex, no figure; minor extension in discussions; version to appear in Phys. Lett. B

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