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Search for new phenomena with photon+jet events in proton-proton collisions at √s = 13 TeV with the ATLAS detector

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dc.contributor.authorThe, A.
dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbdallah, J.
dc.contributor.authorAbdinov, O.
dc.contributor.authorAbeloos, B.
dc.contributor.authorAben, R.
dc.contributor.authorAbolins, M.
dc.contributor.authorAbouZeid, O.
dc.contributor.authorAbramowicz, H.
dc.contributor.authorAbreu, H.
dc.contributor.authorAbreu, R.
dc.contributor.authorAbulaiti, Y.
dc.contributor.authorAcharya, B.
dc.contributor.authorAdamczyk, L.
dc.contributor.authorAdams, D.
dc.contributor.authorAdelman, J.
dc.contributor.authorAdomeit, S.
dc.contributor.authorAdye, T.
dc.contributor.authorAffolder, A.
dc.contributor.authoret al.
dc.date.issued2016
dc.description.abstractA search is performed for the production of high-mass resonances decaying into a photon and a jet in 3.2 fb−1 of proton-proton collisions at a centre-of-mass energy of s√=13 TeV collected by the ATLAS detector at the Large Hadron Collider. Selected events have an isolated photon and a jet, each with transverse momentum above 150 GeV. No significant deviation of the γ+jet invariant mass distribution from the background-only hypothesis is found. Limits are set at 95% confidence level on the cross sections of generic Gaussian-shaped signals and of a few benchmark phenomena beyond the Standard Model: excited quarks with vector-like couplings to the Standard Model particles, and non-thermal quantum black holes in two models of extra spatial dimensions. The minimum excluded visible cross sections for Gaussian-shaped resonances with width-to-mass ratios of 2% decrease from about 6 fb for a mass of 1.5 TeV to about 0.8 fb for a mass of 5 TeV. The minimum excluded visible cross sections for Gaussian-shaped resonances with width-to-mass ratios of 15% decrease from about 50 fb for a mass of 1.5 TeV to about 1.0 fb for a mass of 5 TeV. Excited quarks are excluded below masses of 4.4 TeV, and non-thermal quantum black holes are excluded below masses of 3.8 (6.2) TeV for Randall-Sundrum (Arkani-Hamed-Dimopoulous-Dvali) models with one (six) extra dimensions.
dc.description.statementofresponsibilityG. Aad ... P. Jackson … L. Lee … A. Petridis … N. Soni … M. J. White … et al. (ATLAS Collaboration)
dc.identifier.citationJournal of High Energy Physics (JHEP), 2016; 2016(3):041-1-041-37
dc.identifier.doi10.1007/JHEP03(2016)041
dc.identifier.issn1126-6708
dc.identifier.issn1029-8479
dc.identifier.urihttp://hdl.handle.net/2440/115241
dc.language.isoen
dc.publisherSpringer
dc.rights© The Author(s) 2016. This article is published under an open access license. Please check the 'Copyright Information' section for details of this license and what re-use is permitted. If your intended use exceeds what is permitted by the license or if you are unable to locate the licence and re-use information, please contact the Rights and Permissions team.
dc.source.urihttps://doi.org/10.1007/jhep03(2016)041
dc.subjectHadron-Hadron scattering
dc.titleSearch for new phenomena with photon+jet events in proton-proton collisions at √s = 13 TeV with the ATLAS detector
dc.title.alternativeSearch for new phenomena with photon+jet events in proton-proton collisions at root s = 13 TeV with the ATLAS detector
dc.typeJournal article
pubs.publication-statusPublished

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