Search for New Physics in B Rare Decays at LHCb

Details Search for New Physics in B Rare Decays at LHCb Search for New Physics in B Rare Decays at LHCb

2009-10-06

arxiv.org/abs/0910.0942v2

Physics

High Energy Physics

High Energy Physics - Experiment

To be published in the proceedings of DPF-2009, Detroit, MI, July 2009, eConf C090726; one reference added

Scientific paper

The LHCb experiment, bolstered up by the 10^12 b-hadrons to be produced yearly in its interaction region, is an excellent place to study rare B decays. Flavor-changing neutral currents are forbidden at tree level in the Standard Model. They proceed through loop diagrams and hence are indirectly sensitive to New Physics through the effect of new particles on observable quantities. In this paper, we present preparation studies of the three most promising B rare decay analyzes. These aim at the observation of the photon polarization in B_s to phi gamma, the measurement of the angular distribution of the B^0 to K* mu^+ mu^- decay, and the search for the yet unobserved B_s to mu^+ mu^- decay. The current analysis strategies and the expected sensitivities are presented.

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