Search for Bs -> mu+mu- and Bd -> mu+mu- Decays in ppbar Collisions with CDF II

Details Search for Bs -> mu+mu- and Bd -> mu+mu- Decays in ppbar Collisions with CDF II Search for Bs -> mu+mu- and Bd -> mu+mu- Decays in ppbar Collisions with CDF II

2005-08-15

arxiv.org/abs/hep-ex/0508036v3

Phys.Rev.Lett.95:221805,2005; Erratum-ibid.95:249905,2005

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 3 figures, final version published in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.95.221805

We report on a search for Bs -> mu+mu- and Bd -> mu+mu- decays in ppbar collisions at sqrt(S) = 1.96 TeV using 364 pb-1 of data collected by the CDF II detector at the Fermilab Tevatron Collider. After applying all selection requirements, we observe no candidates inside the Bs or Bd mass windows, consistent with the background expectation. The resulting upper limits on the branching fractions are B(Bs -> mu+mu-) < 1.5E10-7 and B(Bd -> mu+mu-) < 3.9E-8 at 90% confidence level.

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