Fermion polarization in sfermion decays as a probe of CP phases in the MSSM
Thomas Gajdosik, Rohini M. Godbole, Sabine Kraml
Abstract
The longitudinal polarization of fermions (tops and taus) produced in sfermion decays to neutralinos or charginos can be a useful tool for the determination of SUSY parameters. We discuss this fermion polarization in the context of the MSSM with complex parameters. We show that the dependence on CP-violating phases can be large and that the fermion polarization may hence be used as a sensitive probe of CP phases in the MSSM.
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