CERN Accelerating science

Article
Report number arXiv:1107.5834 ; CERN-PH-EP-2011-120 ; CMS-BPH-11-002 ; CMS-BPH-11-002 ; CERN-PH-EP-2011-120
Title Search for Bs0μ+μ and B0μ+μ decays in pp collisions at s = 7 TeV
Author(s) CMS Collaboration  2256 人のオーサーを表示
Publication 2011
Imprint 01 Aug 2011
Number of pages 27
In: Phys. Rev. Lett. 107 (2011) 191802
DOI 10.1103/PhysRevLett.107.191802
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN LHC ; CMS
Free keywords flavor physics ; B physics ; experimental results
Abstract A search for the rare decays B(s) to dimuons and B0 to dimuons is performed in pp collisions at sqrt(s)=7 TeV, with a data sample corresponding to an integrated luminosity of 1.14 inverse femtobarns, collected by the CMS experiment at the LHC. In both cases, the number of events observed after all selection requirements is consistent with expectations from background and standard-model signal predictions. The resulting upper limits on the branching fractions are B(B(s) to mu^+ mu^-) < 1.9 10^-8 and B(B0 to mu^+ mu^-) < 4.6 10^-9, at 95% confidence level.
Copyright/License publication: © 2011-2024 CERN (License: CC-BY-3.0)
preprint: © 2011-2024 CERN (License: CC-BY-3.0)



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Email contact: cms-publication-committee-chair@cern.ch


 レコード 生成: 2011-07-29, 最終変更: 2024-08-24


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