Neutrino masses through see-saw mechanism in 3-3-1 models

Details Neutrino masses through see-saw mechanism in 3-3-1 models Neutrino masses through see-saw mechanism in 3-3-1 models

2001-12-18

arxiv.org/abs/hep-ph/0112246v2

Phys.Rev. D65 (2002) 095001

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTex, 7 pages and 4 .eps figures. Version published in Phys. Rev. D. with a change in the title

Scientific paper

10.1103/PhysRevD.65.095001

Some years ago it was shown by Ma that in the context of the electroweak standard model there are, at the tree level, only three ways to generate small neutrino masses by the see-saw mechanism via one effective dimension-five operator. Here we extend this approach to 3-3-1 chiral models showing that in this case there are several dimension-five operators and we also consider their tree level realization.

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