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First observation of the decays $\overline{B}^0 \to D^+ K^- \pi^+ \pi^-$ and $B^- \to D^0 K^- \pi^+ \pi^-$

First observations of the Cabibbo suppressed decays $\bar{B}^0\to D^+K^-\pi^+\pi^-$ and $B^-\to D^0K^-\pi^+\pi^-$ are reported using 35~pb$^{-1}$ of data collected with the LHCb detector. Their branching fractions are measured with respect to the corresponding Cabibbo favored decays, from which we...

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Detalles Bibliográficos
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Lenguaje:eng
Publicado: 2012
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevLett.108.161801
http://cds.cern.ch/record/1415736