New physics reach of CP violating observables in the decay B to K* l+ l-

Details New physics reach of CP violating observables in the decay B to K* l+ l- New physics reach of CP violating observables in the decay B to K* l+ l-

2009-12-08

arxiv.org/abs/0912.1349v2

PoS EPS-HEP2009 2009:184,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 14 figures, contribution to the EPS conference HEP 2009, Krakow, Poland, July 16-22 2009

Scientific paper

We discuss theoretical and experimental preparations for an indirect new physics search using the rare decay B to K*0 (to K pi) l+ l- focusing on CP violating observables. The separation of new physics effects and hadronic uncertainties is the key issue when using flavour observables in a new-physics search. Our analysis is based on QCD factorization and soft-collinear effective theory and critically examines the new physics reach of those observables via a detailed error analysis due to scale dependences, form factors, and other input parameters; we also explore the experimental sensitivities at LHCb using a full-angular fit method; finally, we make the impact of the unknown Lambda/mb corrections manifest in our theoretical predictions.

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