@Article{LHCbCollaborationAaij_etal2017,
author="LHCb Collaboration (Aaij, R. et al
and Garcia Martin, L. M.
and Henry, L.
and Martinez-Vidal, F.
and Oyanguren, A.
and Remon Alepuz, C.
and Ruiz Valls, P.
and Ruiz Vidal, J.
and Sanchez Mayordomo, C.",
title="Measurement of CP violation in B-0 -> J/psi K-S(0) and B-0 -> psi(2S) K-S(0) decays",
journal="Journal of High Energy Physics",
year="2017",
publisher="Springer",
volume="11",
number="11",
pages="170--18pp",
optkeywords="B physics; CKM angle beta; CP violation; Flavor physics; Hadron-Hadron scattering (experiments)",
abstract="A measurement is presented of decay-time-dependent CP violation in the decays B-0 -> J/psi K-S(0) and B-0 -> psi(2S) K-S(0), where the J/psi is reconstructed from two electrons and the psi(2S) from two muons. The analysis uses a sample of pp collision data recorded with the LHCb experiment at centre-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb(-1). The CP-violation observables are measured to be C(B-0 -> J/psi K-S(0)) = 0.12 +/- 0.07 +/- 0.02, S(B-0 -> J/psi K-S(0)) = 0.83 +/- 0.08 +/- 0.01, C(B-0 -> psi(2S) K-S(0)) = -0.05 +/- 0.10 +/- 0.01, S(B-0 -> psi(2S) K-S(0)) = 0.84 +/- 0.10 +/- 0.01, where C describes CP violation in the direct decay, and S describes CP violation in the interference between the amplitudes for the direct decay and for the decay after B-0-(B) over bar (0) oscillation. The first uncertainties are statistical and the second are systematic. The two sets of results are compatible with the previous LHCb measurement using B-0 -> J/psi K-S(0) decays, where the J/psi meson was reconstructed from two muons. The averages of all three sets of LHCb results are C(B-0 -> [c (c) over bar] K-S(0)) = -0.017 +/- 0.029, S(B-0 -> [c (c) over bar] K-S(0)) = 0.760 +/- 0.034, under the assumption that higher-order contributions to the decay amplitudes are negligible. The uncertainties include statistical and systematic contributions.",
optnote="WOS:000417087900001",
optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=3401), last updated on Tue, 19 Dec 2017 11:31:19 +0000",
issn="1029-8479",
doi="10.1007/JHEP11(2017)170",
opturl="http://arxiv.org/abs/1709.03944",
opturl="https://doi.org/10.1007/JHEP11(2017)170",
archivePrefix="arXiv",
eprint="1709.03944",
language="English"
}