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Measurement of the Ratio of B[+ over c] Branching Fractions to J/ψπ[superscript +] and Jψμ[superscript +]ν[subscript μ] Final States

Author(s)
Counts, Ian Thomas Hunt; Ilten, Philip James; Williams, Michael
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Abstract
The first measurement that relates semileptonic and hadronic decay rates of the B[+ over c] meson is performed using proton-proton collision data corresponding to 1.0  fb[superscript −1] of integrated luminosity collected with the LHCb detector. The measured value of the ratio of branching fractions, B(B[+ over c] → J/ψπ[superscript +])/B(B[+ over c] → J/ψμ[superscript +]ν[subscript μ]) = 0.0469 ± 0.0028(stat) ± 0.0046(syst), is at the lower end of available theoretical predictions.
Date issued
2014-08
URI
http://hdl.handle.net/1721.1/91213
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., B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, S. Akar, J. Albrecht, et al. “Measurement of the Ratio of B[+ over c] Branching Fractions to J/ψπ[superscript +] and Jψμ[superscript +]ν[subscript μ] Final States.” Phys. Rev. D 90, no. 3 (August 2014). © 2014 CERN, for the LHCb Collaboration
Version: Final published version
ISSN
1550-7998
1550-2368

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