Observation of B0 s→ K∗±Kand evidence for B0 s→ K∗-π+decays

LHCb Collaboration

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Abstract

Measurements of the branching fractions of B0 s→ K∗±Kand B0 sK∗±πdecays are performed using a data sample corresponding to 1.0 fb-1of proton-proton collision data collected with the LHCb detector at a centre-of-mass energy of 7 TeV, where the K∗±mesons are reconstructed in the K0 sπ±final state. The first observation of the B0 s→ K∗±Kdecay and the first evidence for the B0 s→ K∗-π+decay are reported with branching fractions (Equation presented), where the first uncertainties are statistical and the second are systematic. In addition, an upper limit of B(B0→ K∗±K) <0.4 (0.5) × 10-6is set at 90% (95%) confidence level.

Original languageEnglish (US)
Article number123001
JournalNew Journal of Physics
Volume16
DOIs
StatePublished - Dec 2 2014

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Keywords

  • B physics
  • branching fraction
  • flavour physics

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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