Testing the Mechanism of R-parity Breaking with Slepton LSP Decays

Abstract

In supersymmetric models R-parity can be violated through either bilinear or trilinear terms in the superpotential, or both. If charged scalar leptons are the lightest supersymmetric particles, their decay properties can be used to obtain information about the relative importance of these couplings. We show that in some specific scenarios it is even possible to decide whether bilinear or trilinear terms give the dominant contribution to the neutrino mass matrix.

arXiv commentIntro rewritten, Fig 1 and Fig 4 slightly changed, conclusions unchanged, 25 pages, 4 figures

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• Phenomenological constraints on broken R parity symmetry in supersymmetry models
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• Neutrino properties and the decay of the lightest supersymmetric particle
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