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

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, O. Abdinov, B Abeloos, Sarah Abidi, O.S. AbouZeid, NL Abraham, H. Abramowicz, H. Abreu, R. Abreu, Y. Abulaiti, Shin-ichi Adachi, David L. Adams, Mogens Dam, Jørn Dines Hansen, Jørgen Beck Hansen, Stefania Xella, Peter Henrik HansenTroels Christian Petersen, Alejandro Alonso Diaz, James William Monk, Graig Wiglesworth, Geert-Jan Besjes, Lars Egholm Pedersen, Ask Emil Løvschall-Jensen, Gorm Aske Gram Krohn Galster, Simon Holm Stark, Fabian Alexander Jürgen Thiele, Flavia de Almeida Dias, Milena Bajic, H. Arnold, H. Zhu, John Barr

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Abstract

Inclusive isolated-photon production in pp collisions at a centre-of-mass energy of 13 TeV is studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of 3.2 fb−1. The cross section is measured as a function of the photon transverse energy above 125 GeV 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.

OriginalsprogEngelsk
TidsskriftPhysics Letters B
Vol/bind770
Sider (fra-til)473-493
ISSN0370-2693
DOI
StatusUdgivet - 10 jul. 2017

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