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\bibitem{LHCbCollaborationAaij_etal2013} LHCb Collaboration(Aaij, R. et al), Oyanguren, A., \& Ruiz Valls, P. (2013). Measurement of CP violation and the B-s(0) meson decay width difference with B-s(0) -> J/psi K+K- and B-s(0) -> J/psi pi(+) pi(-)decays. \textit{Phys. Rev. D}, \textit{87}(11), 112010--21pp.

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