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Studies of beauty baryon decays to D[superscript 0]ph[superscript -] and Λ[+ over c]h[superscript -] final states

Author(s)
Williams, Michael; Ilten, Philip J
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Abstract
Decays of beauty baryons to the D[superscript 0]ph[superscript −] and Λ[+ over c]h[superscript −] 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[superscript −1], collected by the LHCb detector. The Cabibbo-suppressed decays Λ[0 over b] → D[superscript 0]pK[superscript −] and Λ[0 over b] → Λ[+ over c]K[superscript −] are observed, and their branching fractions are measured with respect to the decays Λ[0 over b] → D[superscript 0]pπ[superscript −] and Λ[0 over b] → Λ[+ over c]π[superscript −]. In addition, the first observation is reported of the decay of the neutral beauty-strange baryon Ξ[0 over b] to the D[superscript 0]pK[superscript −] final state, and a measurement of the Ξ[0 over b] mass is performed. Evidence of the Ξ[0 over b] → Λ[+ over c]K[superscript −] decay is also reported.
Date issued
2014-02
URI
http://hdl.handle.net/1721.1/87760
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aaij, R. et al. "Studies of beauty baryon decays to D[superscript 0]ph[superscript -] and Λ[+ over c]h[superscript -] final states." Physical Review D 89, 032001. © 2014 CERN, for the LHCb Collaboration
Version: Final published version
ISSN
1550-7998
1089-4918

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