Impact of CP phases on stop and sbottom searches
A. Bartl, S. Hesselbach, K. Hidaka, T. Kernreiter, W. Porod
Abstract
We study the decays of top squarks (stop1,2) and bottom squarks (sbottom1,2) in the Minimal Supersymmetric Standard Model (MSSM) with complex parameters At, Ab, mu and M1. We show that including the corresponding phases substantially affects the branching ratios of stop1,2 and sbottom1,2 decays in a large domain of the MSSM parameter space. We find that the branching ratios can easily change by a factor of 2 and more when varying the phases. This could have an important impact on the search for stop1,2 and sbottom1,2 and the determination of the MSSM parameters at future colliders.
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