Measuring CP violation in Bs->phi phi with LHCb

Details Measuring CP violation in Bs->phi phi with LHCb Measuring CP violation in Bs->phi phi with LHCb

2007-04-11

arxiv.org/abs/0704.1392v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at the CKM2006, 4th International Workshop on the CKM Unitarity Triangle

Scientific paper

Sensitivity studies to the CP-violating parameters of the decay Bs->phi phi with the LHCb experiment are presented. The decay proceeds via a b->s s anti-s gluonic-penguin quark transition, which is sensitive to contributions from beyond the Standard Model particles. A time-dependent angular analysis of simulated data leads to an expected statistical uncertainty of 6 degrees on any new physics induced CP-violating phase for a sample corresponding to 2 fb^{-1} of integrated luminosity. The expected precision on sin2beta from the related decay Bd->phi K0S is also discussed.

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