Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2004-03-19
Phys.Rev.Lett.93:032001,2004
Physics
High Energy Physics
High Energy Physics - Experiment
15 pages, 2 figures, accepted in PRL
Scientific paper
10.1103/PhysRevLett.93.032001
We report on a search for Bs->mu+mu- and Bd->mu+mu- decays in ppbar collisions at sqrt(s)=1.96 TeV using 171 pb-1 of data collected by the CDF II experiment at the Fermilab Tevatron Collider. The decay rates of these rare processes are sensitive to contributions from physics beyond the Standard Model. One event survives all our selection requirements,consistent with the background expectation. We derive branching ratio limits of BR(Bs->mu+mu-) < 5.8 x 10^-7 and BR(Bd->mu+mu-) < 1.5 x 10^-7 at 90% confidence level.
Acosta Darin
CDF Collaboration
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