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

R. Aaij, C. Abellan Beteta, B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, Z. Ajaltouni, J. Albrecht, F. Alessio, M. Alexander, S. Ali, G. Alkhazov, P. Alvarez Cartelle, A. A. Alves, S. Amato, S. Amerio, Y. Amhis, L. Anderlini, J. Anderson, R. AndreassenR. B. Appleby, O. Aquines Gutierrez, F. Archilli, A. Artamonov, M. Artuso, E. Aslanides, G. Auriemma, S. Bachmann, J. J. Back, C. Baesso, V. Balagura, W. Baldini, R. J. Barlow, C. Barschel, S. Barsuk, W. Barter, Th Bauer, A. Bay, J. Beddow, F. Bedeschi, I. Bediaga, S. Belogurov, K. Belous, I. Belyaev, E. Ben-Haim, G. Bencivenni, S. Benson, J. Benton, A. Berezhnoy, R. Bernet, M. O. Bettler, M. Van Beuzekom, A. Bien, S. Bifani, T. Bird, A. Bizzeti, P. M. Bjørnstad, T. Blake, F. Blanc, J. Blouw, S. Blusk, V. Bocci, A. Bondar, N. Bondar, W. Bonivento, S. Borghi, A. Borgia, T. J.V. Bowcock, E. Bowen, C. Bozzi, T. Brambach, J. Van Den Brand, J. Bressieux, D. Brett, M. Britsch, T. Britton, N. H. Brook, H. Brown, I. Burducea, A. Bursche, G. Busetto, J. Buytaert, S. Cadeddu, O. Callot, M. Calvi, M. Calvo Gomez, A. Camboni, P. Campana, D. Campora Perez, A. Carbone, G. Carboni, R. Cardinale, A. Cardini, H. Carranza-Mejia, L. Carson, K. Carvalho Akiba, G. Casse

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Abstract

The first observation of the decay Bs0→D ̄0K -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→D ̄+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→D ̄0K +π - is measured to be B(B0→D ̄0K +π -)B(B0→D ̄+π -)=0.106±0.007(stat) ±0.008(syst).

Original languageEnglish
Article number112009
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume87
Issue number11
DOIs
Publication statusPublished - 20 Jun 2013
Externally publishedYes

Bibliographical note

Copyright:
Copyright 2013 Elsevier B.V., All rights reserved.

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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