Spontaneous R-parity violation and the origin of neutrino mass

Abstract

We study the phenomenology of supersymmetric models that explain neutrino masses through the spontaneous breaking of R-parity, finding strong correlations between the decays of the lightest neutralino and the neutrino mixing angles. In addition, the existence of a Goldstone boson, usually called Majoron ($J$), completely modifies the phenomenology with respect to the standard picture, inducing large invisible branching ratios and charged lepton decays, like $\mu \to eJ$, interesting signals that can be used to constrain the model.

arXiv comment10 pages, 5 figures. To appear in the DISCRETE'08 proceedings

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Cited by in corpus (1)

• Gravitino Dark Matter in Split Supersymmetry with Bilinear R-Parity Violation