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High-E-T isolated-photon plus jets production in pp collisions at root s=8 TeV with the ATLAS detector
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0001-6945-1916
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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Number of Authors: 2839
2017 (English)In: Nuclear Physics B, ISSN 0550-3213, E-ISSN 1873-1562, Vol. 918, 257-316 p.Article in journal (Refereed) Published
Abstract [en]

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. (C) 2017 The Author(s). Published by Elsevier B.V.

Place, publisher, year, edition, pages
2017. Vol. 918, 257-316 p.
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Physical Sciences
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URN: urn:nbn:se:kth:diva-209327DOI: 10.1016/j.nuclphysb.2017.03.006ISI: 000401097200012ScopusID: 2-s2.0-85016126339OAI: oai:DiVA.org:kth-209327DiVA: diva2:1111489
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QC 20170619

Available from: 2017-06-19 Created: 2017-06-19 Last updated: 2017-06-19Bibliographically approved

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Kastanas, Konstatinos A.Lund-Jensen, BengtSidebo, P. EdvinStrandberg, Jonas
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CiteExportLink to record
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Citation style
  • apa
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More styles
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  • de-DE
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  • fi-FI
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  • Other locale
More languages
Output format
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  • asciidoc
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