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Measurement of the cross section for inclusive isolated-photon production in pp collisions at √s=13 TeV using the ATLAS detector

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  • ATLAS Collaboration
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<mark>Journal publication date</mark>10/07/2017
<mark>Journal</mark>Physics Letters B
Volume770
Number of pages21
Pages (from-to)473-493
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

Inclusive isolated-photon production in pp collisions at a centre-of-mass energy of 13TeV is studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of 3.2fb−1. The cross section is measured as a function of the photon transverse energy above 125GeV in different regions of photon pseudorapidity. Next-to-leading-order perturbative QCD and Monte Carlo event-generator predictions are compared to the cross-section measurements and provide an adequate description of the data.