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First observation of the rare $B^{+}\to D^{+} K^{+} \pi^{-}$ decay / LHCb collaboration
The $B^{+}\to D^{+} K^{+} \pi^{-}$ decay is observed in a data sample corresponding to $3.0\,{\rm fb}^{-1}$ of $pp$ collision data recorded by the LHCb experiment during 2011 and 2012. The signal significance is $8\,\sigma$ and the branching fraction is measured to be ${\cal B}\left(B^{+}\to D^{+} K^{+} \pi^{-}\right) = (5.31 \pm 0.90 \pm 0.48 \pm 0.35)\times 10^{-6}$, where the uncertainties are statistical, systematic and due to the normalisation mode $B^{+}\to D^{-} K^{+} \pi^{+}$, respectively. [...]
arXiv:1512.02494; CERN-PH-EP-2015-313; LHCB-PAPER-2015-054; CERN-PH-EP-2015-313; LHCB-PAPER-2015-054.- Geneva : CERN, 2016-03-03 - 11 p.
- Published in : Phys. Rev. D APS Open Access article: PDF; Erratum: PDF; Fulltext: arXiv:1512.02494 - PDF; 10.1103_PhysRevD.93.051101 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information

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