Search for Bs,d->mumu at LHCb with 300 pb-1

Details Search for Bs,d->mumu at LHCb with 300 pb-1 Search for Bs,d->mumu at LHCb with 300 pb-1

2011-10-11

arxiv.org/abs/1110.2411v2

Physics

High Energy Physics

High Energy Physics - Experiment

To be published in the proceedings of the DPF-2011 Conference, Providence, RI, August 8-13, 2011; added one reference

Scientific paper

A search for the Bs->mumu and Bd->mumu decays is performed in ~300 pb-1 of pp collisions at sqrt(s) = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The measured limit on the branching fraction of the Bs->mumu decay is BR(Bsmumu) < 1.6 10^{-8} at 95% confidence level, while that of the Bd->mumu decay is BR(Bd->mumu) < 5.1 x 10^{-9} at 95% confidence level. A combination with the 2010 dataset of LHCb yields a limit of BR(Bs->mumu) <1.5 x 10^{-8} at 95% confidence level.

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