Research Papers in Physics and Astronomy

 

Date of this Version

11-25-2005

Comments

Phys. Rev. Lett. 95, 221805 (2005). Published by American Physical Society. Copyright © 2005 American Physical Society. Permission to use. http://prl.aps.org.

Abstract

We report on a search for Bs0→µ+µ- and Bd0→µ+µ- decays in pρ̅ collisions at √8=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 Bs0 or Bd0 mass windows. The resulting upper limits on the branching fractions are Ɓ (Bs0→µ+µ-)<1.5×10-7 and Ɓ (Bd0→µ+µ-)<3.9×10-8 at 90% confidence level.

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