SO(3) Gauge Symmetry and Neutrino-Lepton Flavor Physics

Details SO(3) Gauge Symmetry and Neutrino-Lepton Flavor Physics SO(3) Gauge Symmetry and Neutrino-Lepton Flavor Physics

1998-10-27

arxiv.org/abs/hep-ph/9810491v2

Phys.Rev. D60 (1999) 073010

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, Revtex, no figures, minor changes and references added, the version to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.60.073010

Based on the SO(3) gauge symmetry for three family leptons and general see-saw mechanism, we present a simple scheme that allows three nearly degenerate Majorana neutrino masses needed for hot dark matter. The vacuum structure of the spontaneous SO(3) symmetry breaking can automatically lead to a maximal CP-violating phase. Thus the current neutrino data on both the atmospheric neutrino anomaly and solar neutrino deficit can be accounted for via maximal mixings without conflict with the current data on the neutrinoless double beta decay. The model also allows rich interesting phenomena on lepton flavor violations.

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