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Evidence for the decay B[+ over c] → J/ψ 3π[superscript +]2π[superscript -]

Author(s)
Counts, Ian Thomas Hunt; Williams, Michael; Ilten, Philip J
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Abstract
Evidence is presented for the decay B[+ over c] → J/ψ 3π[superscript +]2π[superscript −] using proton-proton collision data, corresponding to an integrated luminosity of 3 fb[superscript −1], collected with the LHCb detector. A signal yield of 32 ± 8 decays is found with a significance of 4.5 standard deviations. The ratio of the branching fraction of the B[+ over c] → J/ψ 3π[superscript +]2π[superscript −] decay to that of the B[+ over c] → J/ψ π[superscript +] decay is measured to be B(B[+ over c] → J/ψ 3π[superscript +]2π[superscript −]/B(B[+ over c] → J/ψπ[superscript +] = 1.74 ± 0.44 ± 0.24, where the first uncertainty is statistical and the second is systematic.
Date issued
2014-05
URI
http://hdl.handle.net/1721.1/89439
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Journal of High Energy Physics
Publisher
Springer-Verlag
Citation
Aaij, R., B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, J. Albrecht, F. Alessio, et al. “Evidence for the decay B[+ over c] → J/ψ 3π[superscript +]2π[superscript -].” J. High Energ. Phys. 2014, no. 5 (May 2014). © CERN, for the benefit of the LHCb Collaboration
Version: Final published version
ISSN
1029-8479
1126-6708

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