Supersymmetric Models for Neutrino Mass

Details Supersymmetric Models for Neutrino Mass Supersymmetric Models for Neutrino Mass

2007-10-30

arxiv.org/abs/0710.5730v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 18 Figures in Postscript. Based on a talk given at the "6th International Workshop on New Worlds in Astroparticle Phy

Scientific paper

We review models for neutrino mass, with special emphasis in supersymmetric models where R-parity is broken either explicitly or spontaneously. The simplest unified extension of the MSSM with explicit bilinear R-parity violation provides a predictive scheme for neutrino masses and mixings which can account for the observed atmospheric and solar neutrino anomalies. Despite the smallness of neutrino masses R-parity violation is observable at present and future high-energy colliders, providing an unambiguous cross-check of the model. This model can be shown to be an effective model for the, more theoretically satisfying, spontaneous broken theory. The main difference in this last case is the appearance of a massless particle, the majoron, that can modify the decay modes of the Higgs boson, making it decay invisibly most of the time.

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