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Farrington, Sinead; Jeske, C.; Jones, G. (Graham); Martin, T. A.; Pianori, E.; HASH(0x55942ee085a0) (2014)
Publisher: American Physical Society
Languages: English
Types: Article
Subjects: QC

Classified by OpenAIRE into

arxiv: High Energy Physics::Experiment
A measurement of the cross section for the production of isolated prompt photons in pp collisions at a center-of-mass energy s=7TeV is presented. The results are based on an integrated luminosity of 4.6fb-1 collected with the ATLAS detector at the LHC. The cross section is measured as a function of photon pseudorapidity ηγ and transverse energy ETγ in the kinematic range 100≤ETγ<1000GeV and in the regions |ηγ|<1.37 and 1.52≤|ηγ|<2.37. The results are compared to leading-order parton-shower Monte Carlo models and next-to-leading-order perturbative QCD calculations. Next-to-leading-order perturbative QCD calculations agree well with the measured cross sections as a function of ETγ and ηγ.
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