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    TH Meeting on Particle Physics Phenomenology

    Determining the sign of the b -> s γ amplitude

    by Mikolaj Misiak (Warsaw University)

    → Europe/Zurich
    TH Auditorium (CERN)

    TH Auditorium

    CERN
    Description
    In many extensions of the SM, including the MFV MSSM, new particle contributions may shift the sign of the b -> s γ amplitude with respect to the SM, leaving the \bar{B} -> Χs γ decay rate within the experimentally allowed bound. I will explain under what circumstances such a scenario is excluded by the latest \bar{B} -> Χs l+ l- measurements. In the second part of the talk, the current status of the perturbative b -> s γ calculations will be summarized.