Measurement of the B+--> omega l+ nu and B+--> eta l+ nu branching fractions
Name
Aubert-2009-Measurement of the B.pdf
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Author(s)
Zhao, M.
Yamamoto, R. K.
Sciolla, Gabriella
Dujmic, Denis
Fisher, Peter H
Spitznagel, Michael A
Cowan, Ray F
Taylor, Frank E
Alternative Title
Measurement of the B+→ωl+ν and B+→ηl+ν branching fractions
Date Issued
August 2008
Journal
Physical Review D
Publisher
American Physical Society
Citation
The BABAR Collaboration et al. “Measurement of the B+--> omega l+ nu and B+--> eta l+ nu branching fractions.” Physical Review D 79.5 (2009): 052011.
©2009 The American Physical Society.
Version
Final published version
Abstract
We present a study of the charmless semileptonic B-meson decays B+-->omegaℓ+ν and B+-->etaℓ+nu. The analysis is based on 3.83×108 BB[over-bar] pairs recorded at the Υ(4S) resonance with the BABAR detector. The ω mesons are reconstructed in the channel omega-->pi+pi-pi0 and the eta mesons in the channels eta-->pi+pi-pi0 and eta-->γγ. We measure the branching fractions B(B+-->omegaℓ+nu)=(1.14±0.16stat±0.08syst)×10[superscript -4] and B(B+-->etaℓ+nu)=(0.31±0.06stat±0.08syst)×10[superscript -4].
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.79.052011
