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\bibitem{ATLASCollaborationAad_etal2021} ATLAS Collaboration(Aad, G. et al), Aparisi Pozo, J. A., Bailey, A. J., Cabrera Urban, S., Cardillo, F., Castillo, F. L., et al. (2021). Search for dark matter in events with missing transverse momentum and a Higgs boson decaying into two photons in pp collisions at root s=13 TeV with the ATLAS detector. \textit{J. High Energy Phys.}, \textit{10}(10), 013--50pp.

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