Search for Bs0→μ+μ- and B0→μ+μ- Decays with 2  fb-1 of pp̅ Collisions

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Aaltonen , T , Mehtälä , P , Orava , R , Mäki , T , Saarikko , H , Österberg , K & CDF Collaboration 2008 , ' Search for Bs0→μ+μ- and B0→μ+μ- Decays with 2  fb-1 of pp̅ Collisions ' , Physical Review Letters , vol 100 , no. 10 , pp. 101802 .

Title: Search for Bs0→μ+μ- and B0→μ+μ- Decays with 2  fb-1 of pp̅ Collisions
Author: Aaltonen, T.; Mehtälä, Petteri; Orava, Risto; Mäki, Tuula; Saarikko, Heimo; Österberg, Kenneth; CDF Collaboration
Contributor: University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics (HIP) (-2009)
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
Belongs to series: Physical Review Letters
ISSN: 0031-9007
Abstract: We have performed a search for Bs0→μ+μ- and B0→μ+μ- decays in pp̅ collisions at √s=1.96  TeV using 2  fb-1 of integrated luminosity collected by the CDF II detector at the Fermilab Tevatron Collider. The observed number of Bs0 and B0 candidates is consistent with background expectations. The resulting upper limits on the branching fractions are B(Bs0→μ+μ-)<5.8×10-8 and B(B0→μ+μ-)<1.8×10-8 at 95% C.L.We have performed a search for Bs-->mu+mu- and Bd-->mu+mu- decays in ppbar collisions at sqrt(s) = 1.96TeV using 2fb-1 of integrated luminosity collected by the CDF II detector at the Fermilab Tevatron Collider. The observed number of Bs and Bd candidates is consistent with background expectations. The resulting upper limits on the branching fractions are B(Bs-->mu+mu-) mu+mu-)
Peer review status: Peer reviewed
URI: http://hdl.handle.net/10138/24450
Date: 2008
Subject: 114 Physical sciences
hep-ex


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