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\bibitem{LHCbCollaborationAaij_etal2015} LHCb Collaboration(Aaij, R. et al), Martinez-Vidal, F., Oyanguren, A., Ruiz Valls, P., \& Sanchez Mayordomo, C. (2015). Measurement of the CP-violating phase beta in B-0 -> J/psi pi(+)pi(-) decays and limits on penguin effects. \textit{Phys. Lett. B}, \textit{742}, 38--49.

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