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Measurement of the Branching Fraction ratioB(B[subscript c] ⁺→ψ(2S)π⁺)/B(B[subscript c]⁺→J/ψπ⁺)

Author(s)
LHCB Collaboration; Ilten, Philip J; Williams, Michael
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Abstract
Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Using pp collision data collected by LHCb at center-of-mass energies √s = 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3fb⁻¹, the ratio of the branching fraction of the B[subscript c]⁺→ψ(2S)π⁺ decay relative to that of the B[subscript c]⁺→J/ψπ⁺ decay is measured to be 0.268±0.032(stat)±0.007(syst)±0.006(BF). The first uncertainty is statistical, the second is systematic, and the third is due to the uncertainties on the branching fractions of the J/ψ→μ⁺μ⁻ and ψ(2S)→μ⁺μ⁻ decays. This measurement is consistent with the previous LHCb result, and the statistical uncertainty is halved.
Date issued
2015-10
URI
http://hdl.handle.net/1721.1/116252
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society (APS)
Citation
Aaij, R. et al. “Measurement of the Branching Fraction ratioB(B[subscript c] ⁺→ψ(2S)π⁺)/B(B[subscript c]⁺→J/ψπ⁺).” Physical Review D 92, 7 (October 2015): 072007 © 2015 CERN, for the LHCb Collaboration
Version: Final published version
ISSN
2470-0010
2470-0029

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