Search for resonances decaying into photon pairs in 139 fb$^{-1}$ of $pp$ 
collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector

ATLAS Collaboration,

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Search for resonances decaying into photon pairs in 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector

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ATLAS Collaboration,
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

ATLAS Collaboration (2021). Search for resonances decaying into photon pairs in 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector. Physics Letters B, 822, 136651. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2021-24.

Cite as: https://hdl.handle.net/21.11116/0000-000A-1BA4-F

Abstract

Searches for new resonances in the diphoton final state, with spin 0 as predicted by theories with an extended Higgs sector and with spin 2 using a warped extra-dimension benchmark model, are presented using 139 fb$^{-1}$ of $\sqrt{s} = $ 13 TeV $pp$ collision data collected by the ATLAS experiment at the LHC. No significant deviation from the Standard Model is observed and upper limits are placed on the production cross-section times branching ratio to two photons as a function of the resonance mass.