The Library
Measurement of the relative branching fractions of B̅ →D/D*/D**l-ν̅ l decays in events with a fully reconstructed B meson
Tools
BaBar Collaboration (Including:
). (2007) Measurement of the relative branching fractions of B̅ →D/D*/D**l-ν̅ l decays in events with a fully reconstructed B meson. Physical Review D, Vol.76 (No.5). Article: 051101. doi:10.1103/PhysRevD.76.051101 ISSN 1550-7998.Research output not available from this repository.
Request-a-Copy directly from author or use local Library Get it For Me service.
Official URL: http://dx.doi.org/10.1103/PhysRevD.76.051101
Abstract
We determine the relative branching fractions of semileptonic B decays to charmed final states. The measurement is performed on the recoil from a fully reconstructed B meson in a sample of 362x10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the BABAR detector. A simultaneous fit to a set of discriminating variables is performed on a sample of (B) over bar -> DXl(-) (v) over bar center dot decays to determine the contributions from the different channels. We measure Gamma(B--> Dl(-)(v)over bar>l)/Gamma(B--> DXl(-)(v) over barl)=0.227 +/- 0.014 +/- 0.016, Gamma(B--> D(*)l (v) over barl)/Gamma(B--> DXl(-)(v) over barl)=0.582 +/- 0.018 +/- 0.030, and Gamma(B--> D(**)l(-)(v) over barl)/Gamma(B--> DXl(-)(v) over barl)=0.191 +/- 0.013 +/- 0.019 for the charged B sample, and Gamma((B) over bar (0)-> Dl(-)(v) over barl)/Gamma((B) over bar (0)-> DXl(-)(v) over barl)=0.215 +/- 0.016 +/- 0.013, Gamma((B) over bar (0)-> D(*)l(-)(v) over barl)/Gamma((B) over bar (0)-> DXl(-)(v) over barl)=0.537 +/- 0.031 +/- 0.036, and Gamma((B) over barB(0)-> D(**)l(-)(v) over barl)/Gamma((B) over bar (0)-> DXl(-)(v) over barl)=0.248 +/- 0.032 +/- 0.030 for the neutral B sample, where uncertainties are statistical and systematic, respectively.
Item Type: | Journal Article | ||||
---|---|---|---|---|---|
Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review D | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1550-7998 | ||||
Official Date: | September 2007 | ||||
Dates: |
|
||||
Volume: | Vol.76 | ||||
Number: | No.5 | ||||
Number of Pages: | 8 | ||||
Page Range: | Article: 051101 | ||||
DOI: | 10.1103/PhysRevD.76.051101 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
Request changes or add full text files to a record
Repository staff actions (login required)
View Item |