A precise measurement of the B0 meson oscillation frequency

LHCb Collaboration

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


The oscillation frequency, Δ md, of B0 mesons is measured using semileptonic decays with a D- or D∗ - meson in the final state. The data sample corresponds to 3.0fb- 1 of pp collisions, collected by the LHCb experiment at centre-of-mass energies s = 7 and 8TeV. A combination of the two decay modes gives Δmd=(505.0±2.1±1.0)ns-1, where the first uncertainty is statistical and the second is systematic. This is the most precise single measurement of this parameter. It is consistent with the current world average and has similar precision.

Original languageEnglish (US)
Article number412
JournalEuropean Physical Journal C
Issue number7
StatePublished - Jul 1 2016

ASJC Scopus subject areas

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


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