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T: Fachverband Teilchenphysik

T 16: Beyond the Standard Model (Theorie) I

T 16.7: Talk

Tuesday, March 29, 2011, 18:15–18:30, 30.23: 6-1

Electroweak corrections to neutralino and chargino decays — •Stefan Liebler — Universität Würzburg

We present the complete electroweak one-loop corrections to the partial widths for two-body decays of a chargino (neutralino) into a W-boson and a neutralino (chargino) using an on-shell method in models with and without R-parity. Particular attention is paid to the question of gauge invariance. Moreover we show correlations between the NLO widths of R-parity violating decays and the neutrino mixing angles, which can be tested at the LHC.