Spontaneous R-parity violation and the origin of neutrino mass

Details Spontaneous R-parity violation and the origin of neutrino mass Spontaneous R-parity violation and the origin of neutrino mass

2009-03-09

arxiv.org/abs/0903.1512v1

J.Phys.Conf.Ser.171:012073,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1088/1742-6596/171/1/012073

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 $\mu \to e J$, interesting signals that can be used to constrain the model.

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