B --> K* mu+ mu-: SM and Beyond

Details B --> K* mu+ mu-: SM and Beyond B --> K* mu+ mu-: SM and Beyond

2009-05-08

arxiv.org/abs/0905.1289v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited talk at the XLIVth Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 7-14 Mar

Scientific paper

The rare decay B --> K* mu+ mu- is considered to be a golden channel for LHCb, as the polarization of the K* allows a precise angular reconstruction resulting in many observables that offer new important tests of the Standard Model and its extensions. These angular observables can be expressed in terms of CP-conserving and CP-violating quantities which we study in terms of the full form factors calculated from QCD sum rules on the light-cone, including QCD factorization corrections. We investigate all observables in the context of the Standard Model and various New Physics models, in particular the Littlest Higgs model with T-parity and various MSSM scenarios, identifying those observables with small to moderate dependence on hadronic quantities and large impact of New Physics.

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