High-E T isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector

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 pre...

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Autor principal: The ATLAS Collaboration
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_05503213_v918_n_p257_TheATLASCollaboration
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_05503213_v918_n_p257_TheATLASCollaboration
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spelling todo:paper_05503213_v918_n_p257_TheATLASCollaboration2023-10-03T15:34:25Z High-E T isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector The ATLAS Collaboration 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. © 2017 The Author(s) JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_05503213_v918_n_p257_TheATLASCollaboration
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description 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. © 2017 The Author(s)
format JOUR
author The ATLAS Collaboration
spellingShingle The ATLAS Collaboration
High-E T isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector
author_facet The ATLAS Collaboration
author_sort The ATLAS Collaboration
title High-E T isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector
title_short High-E T isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector
title_full High-E T isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector
title_fullStr High-E T isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector
title_full_unstemmed High-E T isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector
title_sort high-e t isolated-photon plus jets production in pp collisions at s=8 tev with the atlas detector
url http://hdl.handle.net/20.500.12110/paper_05503213_v918_n_p257_TheATLASCollaboration
work_keys_str_mv AT theatlascollaboration highetisolatedphotonplusjetsproductioninppcollisionsats8tevwiththeatlasdetector
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