Measurement of the branching fractions of the decays Bs0→D ̄ 0K-π+ and B0→D ̄0K+π-

The LHCb Collaboration

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The first observation of the decay Bs0→D̄0K -π+ is reported. The analysis is based on a data sample, corresponding to an integrated luminosity of 1.0 fb-1 of pp collisions, collected with the LHCb detector. The branching fraction relative to that of the topologically similar decay B0→D̄+π- is measured to be B(Bs0→D ̄0K-π+)B(B0→D ̄+π-)=1.18±0.05(stat) ±0.12(syst). In addition, the relative branching fraction of the decay B0→D̄0K+π- is measured to be B(B0→D̄0K+π-)B(B0→D ̄+π-)=0.106±0.007(stat) ±0.008(syst).

Original languageEnglish
Article number112009
Number of pages10
JournalPhysical Review D
Issue number11
Publication statusPublished - 20 Jun 2013
Externally publishedYes

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