Lepton number violating mSUGRA and neutrino masses

Details Lepton number violating mSUGRA and neutrino masses Lepton number violating mSUGRA and neutrino masses

2007-12-06

arxiv.org/abs/0712.0852v4

JHEP 0804:081,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

36 pages, 7 figures. References updated. A factor of 2 typo in eq.(2.19) is removed. All numerical results remain unchanged

Scientific paper

10.1088/1126-6708/2008/04/081

We perform a quantitative study of neutrino phenomenology in the framework of minimal supergravity (mSUGRA) with grand unified theory (GUT)-scale tri-linear lepton number violation. We show that only two non-zero GUT scale lepton number violating parameters and three charged lepton mixing angles are sufficient to account for current neutrino oscillation data. This allows collider studies to be performed in a manageable parameter space. We discuss some phenomenological consequences of the models, including tuning issues.

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