B \to K^{*} γDecay within MSSM
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The paper deals with a next-to-leading order analysis of the radiative $B \to K^* γ$ decay. Working in a PQCD approach, we compute the correction to the essential form factor, coming from a single gluon exchange with the spectator. We investigate the supersymmetry effects on the branching ratio and direct CP asymmetry and constrain the squark mixing parameter $(δ_{23}^d)_{LR}$.
7 pages, 3 figures, International Conference on Hadron Physics TROIA'07, Canakkale, Turkey, 30 August -- 03 September 2007
7 pages, 3 figures, International Conference on Hadron Physics TROIA'07, Canakkale, Turkey, 30 August -- 03 September 2007