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Observation of the decay B[+ over c] → J/ψ K [superscript +] K [superscript −] π [superscript +]

Author(s)
Williams, Michael
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Abstract
The decay B[+ over c] → J/ψK [superscript +] K [superscript −] π [superscript +] is observed for the first time, using protonproton collisions collected with the LHCb detector corresponding to an integrated luminosity of 3 fb[superscript −1]. A signal yield of 78 ± 14 decays is reported with a significance of 6.2 standard deviations. The ratio of the branching fraction of B[+ over c] → J/ψK [superscript +] K [superscript −] π [superscript +] decays to that of B[+ over c] → J/ψπ [superscript +] decays is measured to be 0.53 ± 0.10 ± 0.05, where the first uncertainty is statistical and the second is systematic.
Date issued
2013-11
URI
http://hdl.handle.net/1721.1/86025
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Journal of High Energy Physics
Publisher
Springer-Verlag
Citation
Aaij, R., B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, Z. Ajaltouni, J. Albrecht, et al. “Observation of the Decay B[+ over c] → J/ψ K [superscript +] K [superscript −] π [superscript +].” J. High Energ. Phys. 2013, no. 11 (November 2013). © CERN, for the bene t of the LHCb collaboration
Version: Final published version
ISSN
1029-8479

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