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Measurement of the semileptonic branching fraction of the B_{s} meson
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(2012) Measurement of the semileptonic branching fraction of the B_{s} meson. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.85 (No.1). 011101(R). doi:10.1103/PhysRevD.85.011101 ISSN 1550-7998.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.85.011101
Abstract
We report a measurement of the inclusive semileptonic branching fraction of the Bs meson using data collected with the BABAR detector in the center-of-mass energy region above the Υ(4S) resonance. We use the inclusive yield of ϕ mesons and the ϕ yield in association with a high-momentum lepton to perform a simultaneous measurement of the semileptonic branching fraction and the production rate of Bs mesons relative to all B mesons as a function of center-of-mass energy. The inclusive semileptonic branching fraction of the Bs meson is determined to be B(Bs→ℓνX)=9.5-2.0+2.5(stat)-1.9+1.1(syst)%, where ℓ indicates the average of e and μ.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1550-7998 | ||||
Official Date: | 1 January 2012 | ||||
Dates: |
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Volume: | Vol.85 | ||||
Number: | No.1 | ||||
Page Range: | 011101(R) | ||||
DOI: | 10.1103/PhysRevD.85.011101 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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