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Search for new phenomena in high-mass diphoton final states using 37 fb−1 of proton–proton collisions collected at √s = 13 TeV with the ATLAS detector
ATLAS Collaboration
ATLAS Collaboration
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Abstract
Searches for new phenomena in high-mass diphoton final states with the ATLAS experiment at the LHC are presented. The analysis is based on ppcollision data corresponding to an integrated luminosity of 36.7fb−1at a centre-of-mass energy √s=13TeVrecorded in 2015 and 2016. Searches are performed for resonances with spin 0, as predicted by theories with an extended Higgs sector, and for resonances with spin 2, using a warped extra-dimension model as a benchmark model, as well as for non-resonant signals, assuming a large extra-dimension scenario. No significant deviation from the Standard Model is observed. Upper limits are placed on the production cross section times branching ratio to two photons as a function of the resonance mass. In addition, lower limits are set on the ultraviolet cutoff scale in the large extra-dimensions model.
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2017-10-24
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Elsevier
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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., ... & Abreu, R. (2017). Search for new phenomena in high-mass diphoton final states using 37 fb− 1 of proton–proton collisions collected at s= 13TeV with the ATLAS detector. Physics Letters B, 775, 105-125.