Aad, G;
Abbott, B;
Abbott, DC;
Abdinov, O;
Abed Abud, A;
Abeling, K;
Abhayasinghe, DK;
... Zwalinski, L; + view all
(2019)
Measurement of the inclusive isolated-photon cross section at √s = 13 TeV using fb⁻¹ of ATLAS data.
Journal of High Energy Physics
, 2019
(10)
, Article 203. 10.1007/jhep10(2019)203.
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Abstract
The differential cross section for isolated-photon production in pp collisions is measured at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 36.1 fb−1. The differential cross section is presented as a function of the photon transverse energy in different regions of photon pseudorapidity. The differential cross section as a function of the absolute value of the photon pseudorapidity is also presented in different regions of photon transverse energy. Next-to-leading-order QCD calculations from Jetphox and Sherpa as well as next-to-next-to-leading-order QCD calculations from Nnlojet are compared with the measurement, using several parameterisations of the proton parton distribution functions. The predictions provide a good description of the data within the experimental and theoretical uncertainties.




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