BaBaR Collaboration (Including:

). (2009) Measurement of the B+ -> omega l(+) v and B+ -> eta l(+) v branching fractions. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.79 (No.5). artiicle no. 052011. ISSN 1550-7998

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Abstract

We present a study of the charmless semileptonic B-meson decays B+ -> omega l(+) v and B+ -> eta l(+) v. The analysis is based on 3.83 x 10(8) B (B) over bar B pairs recorded at the Gamma(4S) resonance with the BABAR detector. The omega mesons are reconstructed in the channel omega -> pi(+)pi(-)pi(0) and the eta mesons in the channels eta -> pi(+)pi(-)pi(0) and eta -> gamma gamma. We measure the branching fractions B(B+ -> omega l(+) v) = (1.14 +/- 0.16(stat) +/- 0.08(syst)) x 10(-4) and B(B+ -> eta l(+) v) = (0.31 +/- 0.06(stat) +/- 0.08(syst)) x 10(-4).

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Divisions:	Faculty of Science > Physics
Journal or Publication Title:	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher:	American Physical Society
ISSN:	1550-7998
Date:	March 2009
Volume:	Vol.79
Number:	No.5
Number of Pages:	9
Page Range:	artiicle no. 052011
Identification Number:	10.1103/PhysRevD.79.052011
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	DOE, NSF (USA), NSERC (Canada), IHEP (China), CEA (France), BMBF, DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MIST (Russia), PPARC (United Kingdom), CONACyT (Mexico), A. P. Sloan Foundation, Research Corporation, Alexander von Humboldt Foundation
Grant number:	CNRS-IN2P3
URI:	http://wrap.warwick.ac.uk/id/eprint/28152

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