Measurement of the $B^0$--$¯ B^0$ oscillation frequency $Δ m_d$ with the decays $B^0 \to D^- π^+$ and $B^0 \to J\ ψ K^*0$

R. Aaij, J.F.J. van den Brand, F. Dettori, T.J. Ketel, R. Koopman, R.W. Lambert, M.H.M. Merk, H.G. Raven, M. Schiller, S. Tolk, Collaboration LHCb

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Abstract

The B0-B̄0 oscillation frequency δm<inf>d</inf> is measured by the LHCb experiment using a dataset corresponding to an integrated luminosity of 1.0fb-1 of proton-proton collisions at √s=7TeV, and is found to be δm<inf>d</inf>=0.5156±0.0051(stat.)±0.0033(syst.)ps-1. The measurement is based on results from analyses of the decays B0→D-π+ (D-→K+π-π-) and B0→J/ψK*0 (J/ψ→μ+μ-, K*0→K+π-) and their charge conjugated modes. © 2013 CERN.
Original languageEnglish
Pages (from-to)318-325
JournalPhysics Letters B
Volume719
Issue number4-5
DOIs
Publication statusPublished - 2013

Bibliographical note

Aaij:2012nt

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