Heidelberg 2022 – scientific programme

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T: Fachverband Teilchenphysik

T 28: Invited Topical Talks 1

T 28.3: Invited Topical Talk

Tuesday, March 22, 2022, 14:50–15:15, T-H15

ATLAS probes QCD measuring photons — •Heberth Torres — TU Dresden, Germany

The production of prompt isolated photons in proton-proton collisions is an important test of perturbative QCD prediction. Despite its electromagnetic nature, photon production at the LHC is affected by surprisingly large strong-interaction effects. Thanks to the precise ATLAS measurements of photon processes, the collaboration is able to probe these effects and scrutinise state-of-the-art theoretical calculations. In this talk, we present the latest measurements of prompt photon production using proton-proton collision data collected by the ATLAS experiment at √s=13 TeV.