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Measurement of the branching fractions of the decays B[0 over s] → [bar over D][superscript 0]K[superscript −]π[superscript +] and B[superscript 0] → [bar over D][superscript 0]K[superscript +]π[superscript −]

Author(s)
Williams, Michael
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Abstract
The first observation of the decay B[0 over s] → [bar over D][superscript 0]K[superscript −]π[superscript +] is reported. The analysis is based on a data sample, corresponding to an integrated luminosity of 1.0  fb[superscript −1] of pp collisions, collected with the LHCb detector. The branching fraction relative to that of the topologically similar decay B[superscript 0] → [bar over D][superscript 0]π[superscript +]π[superscript −] is measured to be [B(B[0 over s] → [bar over D][superscript 0]K[superscript −]π[superscript +]) over B(B[superscript 0] → [bar over D][superscript 0]π[superscript +]π[superscript −])] = 1.18 ± 0.05(stat) ± 0.12(syst). In addition, the relative branching fraction of the decay B[superscript 0] → [bar over D][superscript 0]K[superscript +]π[superscript −] is measured to be [B(B[0 over s] → [bar over D][superscript 0]K[superscript −]π[superscript +]) over B(B[superscript 0] → [bar over D][superscript 0]π[superscript +]π[superscript −])] = 0.106 ± 0.007(stat) ± 0.008(syst).
Date issued
2013-06
URI
http://hdl.handle.net/1721.1/97447
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aaij, R., C. Abellan Beteta, B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, Z. Ajaltouni, et al. “ Measurement of the Branching Fractions of the Decays B[0 over s] → [bar over D][superscript 0]K[superscript −]π[superscript +] and B[superscript 0] → [bar over D][superscript 0]K[superscript +]π[superscript −].” Phys. Rev. D 87, no. 11 (June 2013). © 2013 CERN, for the LHCb Collaboration
Version: Final published version
ISSN
1550-7998
1550-2368

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