Rare tau Decays in R-parity Violating Supersymmetry

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We constrain, from rare tau decays, several combinations of λ and λ' type couplings coming from Supersymmetry without R-parity. The processes that we consider are tau --> l M, tau --> lᵢ lⱼ lₖ, and tau --> l gamma, where l stands for either e or mu, and M is the generic symbol for a meson. We update several existing bounds, and provide a few new ones too.