Impact of CP phases on the search for sleptons tau and nutau
Abstract
We study the decays of the tau-sleptons (stau1,2) and tau-sneutrino (snutau) in the Minimal Supersymmetric Standard Model (MSSM) with complex parameters Atau, mu and M1 (U(1) gaugino mass). We show that the effect of the CP phases of these parameters on the branching ratios of stau1,2 and snutau decays can be quite strong in a large region of the MSSM parameter space. This could have an important impact on the search for stau1,2 and snutau and the determination of the MSSM parameters at future colliders.
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