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\bibitem{Sakai_etal2020} Sakai, S., Liang, W. H., Toledo, G., \& Oset, E. (2020). J/psi -> gamma pi pi, gamma pi(0)eta reactions and the f(0)(980) and a(0)(980) resonances. \textit{Phys. Rev. D}, \textit{101}(1), 014005--9pp.

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