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\bibitem{ATLASCollaborationAad_etal2011} ATLAS Collaboration(Aad, G. et al), Amoros, G., Cabrera Urban, S., Castillo Gimenez, V., Costa, M. J., Ferrer, A., et al. (2011). Search for a heavy neutral particle decaying into an electron and a muon using 1 fb(-1) of ATLAS data. \textit{Eur. Phys. J. C}, \textit{71}(12), 1809--17pp.

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