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First observation of the decays B[over ¯]^{0}→D^{+}K^{-}π^{+}π^{-} and B^{-}→D^{0}K^{-}π^{+}π^{-}
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. (2012) First observation of the decays B[over ¯]^{0}→D^{+}K^{-}π^{+}π^{-} and B^{-}→D^{0}K^{-}π^{+}π^{-}. Physical Review Letters, Vol.108 (No.16). p. 161801. ISSN 0031-9007 Full text not available from this repository.
Official URL: http://dx.doi.org/10.1103/PhysRevLett.108.161801
Abstract
First observations of the Cabibbo-suppressed decays B ̄0→D +K -π +π - and B -→D0K -π +π - are reported using 35pb -1 of data collected with the LHCb detector. Their branching fractions are measured with respect to the corresponding Cabibbo-favored decays, from which we obtain B(B ̄0→D +K -π +π -)/B(B ̄0→D +π -π +π -)=(5.9±1.1±0.5) ×10 -2 and B(B -→D0K -π +π -)/B(B -→D0π -π +π -)=(9.4±1.3±0.9) ×10 -2, where the uncertainties are statistical and systematic, respectively. The B -→D0K -π +π - decay is particularly interesting, as it can be used in a similar way to B -→D0K - to measure the Cabibbo-Kobayashi- Maskawa phase γ. © 2012 CERN.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physical Review Letters |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| Date: | 18 April 2012 |
| Volume: | Vol.108 |
| Number: | No.16 |
| Page Range: | p. 161801 |
| Identification Number: | 10.1103/PhysRevLett.108.161801 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/49305 |
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