Determination of the branching fractions of B0→ DsK and B0 → D-S K+

LHCb Collaboration, R. Aaij, B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, S. Akar, J. Albrecht, F. Alessio, M. Alexander, S. Ali, G. Alkhazov, P. Alvarez Cartelle, A. A. Alves, S. Amato, S. Amerio, Y. Amhis, L. An, L. Anderlini, J. AndersonR. Andreassen, M. Andreotti, J. E. Andrews, R. B. Appleby, O. Aquines Gutierrez, F. Archilli, A. Artamonov, M. Artuso, E. Aslanides, G. Auriemma, M. Baalouch, S. Bachmann, J. J. Back, A. Badalov, C. Baesso, W. Baldini, R. J. Barlow, C. Barschel, S. Barsuk, S. Bifani, N. Farley, P. Griffith, P. Ilten, I. R. Kenyon, C. Lazzeroni, A. Mazurov, J. McCarthy, C. J. Parkinson, L. Pescatore, D. Popov, N. K. Watson

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Abstract

Measurements are presented of the branching fractions of the decays B0S → DsK and B0 → D-SK+ relative to the decays B0S → D-Sπ+ and B0 → Dπ+, respectively. The data used correspond to an integrated luminosity of 3.0 fb−1 of proton-proton collisions. The ratios of branching fractions are B(B0s → DsK) / B(B0s → Dsπ+) = 0.0752 ± 0.0015 ± 0.0019 and B(B0 → DsK+) / B(B0 → Dπ+) = 0.0129 ± 0.0005 ± 0.0008, where the uncertainties are statistical and systematic, respectively.

Original languageEnglish
Article number19
Number of pages16
JournalJournal of High Energy Physics
Volume2015
Issue number5
DOIs
Publication statusPublished - 5 May 2015

Keywords

  • B physics
  • Branching fraction
  • Flavor physics
  • Hadron-Hadron Scattering

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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