Neutrino masses from R-parity violation with a $Z_3$ symmetry

Abstract

We consider a supersymmetric model where the neutrino mass matrix arises from bilinear and trilinear R-parity violation, both restricted by a $Z_3$ flavor symmetry. Assuming flavor blind soft supersymmetry (SUSY) breaking conditions, corrected at low energies due to running effects, we obtain a neutrino mass matrix in agreement with oscillation data. In particular, a large ${\theta }_{13}$ angle can be easily accommodated. We also find a correlation between the reactor and atmospheric mixing angles. This leads in some scenarios to a clear deviation from ${\theta }_{23}=\pi /4$. The Lightest Supersymmetric Particle (LSP) decay, dominated by the trilinear couplings, provides a direct way to test the model at colliders.

20 pages, 6 figures. v2: matches published version

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• Implications of Higgs to diphoton decay rate in the bilinear R-parity violating supersymmetric model
• Phenomenological Aspects of R-parity Violating Supersymmetry with A Vector-like Extra Generation
• Signatures of Supersymmetry in Neutrino Telescopes