Measurement of the Bc +meson lifetime using Bc +→J/ψμ+νμX decays

The Lhcb Collaboration

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Abstract

The lifetime of the B+ 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-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.

Original languageEnglish (US)
Pages (from-to)1-15
Number of pages15
JournalEuropean Physical Journal C
Volume74
Issue number5
DOIs
StatePublished - 2014

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Engineering (miscellaneous)

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