Final State Interactions in Hadronic B Decays

Abstract

I discuss the effect of final state interactions on the determination of the CKM angle γfrom B -> K + pi decays. Using a simple Regge-based model for rescattering processes, I argue that such effects could be substantial enough to make it problematic to obtain reliable limits on γin this way. Fortunately, an analysis of B -> K + K decays may provide model-independent bounds on rescattering contributions.

10 pages, uses sprocl.sty. To appear in the proceedings of Continuous Advances in QCD 1998, Theoretical Physics Institute, University of Minnesota, April 16-19, 1998

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