Studies of beauty baryon decays to D0 ph- And Λ+c h- final states

LHCb Collaboration, R. Aaij*, 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. AndreassenM. 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, V. Balagura, W. Baldini, R. J. Barlow, C. Barschel, S. Barsuk, W. Barter, V. Batozskaya, S. Bifani, P. Griffith, P. Ilten, I. R. Kenyon, C. Lazzeroni, A. Mazurov, J. McCarthy, C. J. Parkinson, L. Pescatore, D. Popov, N. K. Watson

*Corresponding author for this work

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Abstract

Decays of beauty baryons to the D0ph- and Λ+ch- final states (where h indicates a pion or a kaon) are studied using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb-1, collected by the LHCb detector. The Cabibbo-suppressed decays Λ0b→D0pK- and Λ0b→Λ+cK- are observed, and their branching fractions are measured with respect to the decays Λ0b→D0- and Λ0b→Λ+cπ-. In addition, the first observation is reported of the decay of the neutral beauty-strange baryon Ξ0b to the D0pK- final state, and a measurement of the Ξ0b mass is performed. Evidence of the Ξ0b→Λ+cK- decay is also reported.

Original languageEnglish
Article number032001
Number of pages15
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume89
Issue number3
DOIs
Publication statusPublished - 13 Feb 2014

ASJC Scopus subject areas

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

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