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High-ET isolated-photon plus jets production in pp collisions at View the MathML sources=8 TeV with the ATLAS detector

ATLAS Collaboration, .; (2017) High-ET isolated-photon plus jets production in pp collisions at View the MathML sources=8 TeV with the ATLAS detector. Nuclear Physics B , 918 pp. 257-316. 10.1016/j.nuclphysb.2017.03.006. Green open access

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Abstract

The dynamics of isolated-photon plus one-, two- and three-jet production in pp collisions at a centre-of-mass energy of 8 TeV are studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of 20.2 fb−1. Measurements of isolated-photon plus jets cross sections are presented as functions of the photon and jet transverse momenta. The cross sections as functions of the azimuthal angle between the photon and the jets, the azimuthal angle between the jets, the photon–jet invariant mass and the scattering angle in the photon–jet centre-of-mass system are presented. The pattern of QCD radiation around the photon and the leading jet is investigated by measuring jet production in an annular region centred on each object; enhancements are observed around the leading jet with respect to the photon in the directions towards the beams. The experimental measurements are compared to several different theoretical calculations, and overall a good description of the data is found.

Type: Article
Title: High-ET isolated-photon plus jets production in pp collisions at View the MathML sources=8 TeV with the ATLAS detector
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.nuclphysb.2017.03.006
Publisher version: https://doi.org/10.1016/j.nuclphysb.2017.03.006
Language: English
Additional information: Copyright © 2017 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/1532414
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