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Aspects of the Tetrahedral Neutrino Mass Matrix

Ernest Ma

hep-pharXiv:hep-ph/0505209

Abstract

The four-parameter tetrahedral neutrino mass matrix introduced earlier by the author is studied in two specific limits, both having only two parameters and resulting in theta13=0, theta23=pi/4, and tan2 theta12=1/2. One limit corresponds to a recent proposal which predicts a normal ordering of neutrino masses; the other is new and allows both inverted and normal ordering.

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