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Measurement of the B[+ over c] meson lifetime using B[+ over c] → J/ψ μ[superscript +] ν [subscript μ] X decays

Author(s)
Counts, Ian Thomas Hunt; Williams, Michael; Ilten, Philip J
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Abstract
The lifetime of the B[+ over c] meson is measured using semileptonic decays having a J/ψ meson and a muon in the final state. The data, corresponding to an integrated luminosity of 2 fb[superscript -1], are collected by the LHCb detector in pp collisions at a centre-of-mass energy of 8 TeV. The measured lifetime is τ = 509 ± 8 ± 12 fs, where the first uncertainty is statistical and the second is systematic.
Date issued
2014-05
URI
http://hdl.handle.net/1721.1/88612
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
The European Physical Journal C
Publisher
Springer-Verlag
Citation
Aaij, R., B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, J. Albrecht, F. Alessio, et al. “Measurement of the B[+ over c] meson lifetime using B[+ over c] → J/ψ μ[superscript +] ν [subscript μ] X decays.” Eur. Phys. J. C 74, no. 5 (May 2014). © CERN for the benefit of the LHCb collaboration
Version: Final published version
ISSN
1434-6044
1434-6052

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