Phenomenology of the exclusive rare semileptonic decay B -> K pi l^+ l^-

Abstract

I review the phenomenology of exclusive Bbar -> Kbar pi l^+ l^- decays, with focus on the intermediate resonant Kbar^*(892) mode. The status of angular observables at both ends of the dilepton mass spectrum is revisited. Constraints on the b -> s Wilson coefficients C_7,C_9,C_10 based on 2011 data from the B factories, CDF and LHCb are presented.

Comments: Accepted for the Proceedings of the 14th International Conference on B-Physics at Hadron Machines, April 8-12 2013, Bologna, Italy. v2: One reference and clarification added