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Search for Bs0 → μ+μ- and Bd0 → μ+μ- decays in pp Collisions with CDF II

par Acosta, Darin E.;De Lentdecker, Gilles ; [et al.]
Référence Physical review letters, 95, 22, page (1-7), 221805
Publication Publié, 2005

Article révisé par les pairs

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Résumé :

We report on a search for Bs0 → μ+μ- and Bd0 → μ+μ- decays in pp̄ collisions at √s = 1.96 TeV using 364pb-1 of data collected by the CDFÂ 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 B(Bs0 → μ+μ) <1.5 X 10-7 and B(Bd0 → μ+μ-) < 3.9 X 10-8 at 90% confidence level. © 2005 The American Physical Society.