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Photon, diphoton and photon+jet production measured with the ATLAS detector
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SYSNO ASEP 0427554 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Photon, diphoton and photon+jet production measured with the ATLAS detector Author(s) Svatoš, Michal (FZU-D) RID, ORCID Source Title Proceedings of Science. - Trieste : S I S S A, 2013 - ISSN 1824-8039 Pages s. 1-5,149 Number of pages 5 s. Publication form Online - E Action International Workshop on Deep-Inelastic Scattering and Related Subjects /21./ - DIS2013 Event date 22.04.2013-26.04.2013 VEvent location Marseilles Country FR - France Event type WRD Language eng - English Country IT - Italy Keywords prompt photon ; diphoton ; photon+jet Subject RIV BF - Elementary Particles and High Energy Physics Institutional support FZU-D - RVO:68378271 Annotation A measurement of prompt photon, diphoton and photon+jet cross-section, using data collected by the ATLAS Experiment at the LHC in the years 2010 and 2011, is presented. Isolated prompt photons provide a direct probe of short-distance physics, complementary to that provided by measurements of jets or vector-bosons. The data are sensitive to the gluon density of the proton. The inclusive prompt photon cross sections have been measured over a wide range of transverse momenta; the diphoton cross section has also been measured as a function of diphoton mass, total transverse momentum and azimuthal separation; the cross section for photons produced in association with jets is also measured. The results are compared to the predictions of next-toleading-order QCD. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2015 Electronic address http://pos.sissa.it/archive/conferences/191/149/DIS%202013_149.pdf
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