Measurements of Higgs boson properties in the diphoton decay channel with 36 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 13$ TeV with the ATLAS detector
Phys.Rev. D98 (2018) 052005
The collaboration

Abstract (data abstract)
Measurements of cross sections and differential distributions for Higgs production in the diphoton channel are presented based on 36.1 fb-1 proton-proton collisions at sqrt(s)=13 TeV.