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A measurement of the calorimeter response to single hadrons and determination of the jet energy scale uncertainty using LHC Run-1 pp-collision data with the ATLAS detector

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dc.contributor.authorAaboud, M.
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.authorAbouZeid, O.
dc.contributor.authorAbraham, N.
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.issued2017
dc.description.abstractA measurement of the calorimeter response to isolated charged hadrons in the ATLAS detector at the LHC is presented. This measurement is performed with 3.2 nb[Formula: see text] of proton-proton collision data at [Formula: see text] [Formula: see text] from 2010 and 0.1 nb[Formula: see text] of data at [Formula: see text] [Formula: see text] from 2012. A number of aspects of the calorimeter response to isolated hadrons are explored. After accounting for energy deposited by neutral particles, there is a 5% discrepancy in the modelling, using various sets of Geant4 hadronic physics models, of the calorimeter response to isolated charged hadrons in the central calorimeter region. The description of the response to anti-protons at low momenta is found to be improved with respect to previous analyses. The electromagnetic and hadronic calorimeters are also examined separately, and the detector simulation is found to describe the response in the hadronic calorimeter well. The jet energy scale uncertainty and correlations in scale between jets of different momenta and pseudorapidity are derived based on these studies. The uncertainty is 2-5% for jets with transverse momenta above 2 [Formula: see text], where this method provides the jet energy scale uncertainty for ATLAS.
dc.description.statementofresponsibilityM. Aaboud, G. Aad, B. Abbott, J. Abdallah … Paul D. Jackson … Martin White … et al.
dc.identifier.citationEuropean Physical Journal C, 2017; 77(1):26-1-26-47
dc.identifier.doi10.1140/epjc/s10052-016-4580-0
dc.identifier.issn1434-6044
dc.identifier.issn1434-6052
dc.identifier.urihttp://hdl.handle.net/2440/114596
dc.language.isoen
dc.publisherSpringer
dc.rights© CERN for the benefit of the ATLAS collaboration 2017. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
dc.source.urihttps://doi.org/10.1140/epjc/s10052-016-4580-0
dc.subjectATLAS Collaboration
dc.titleA measurement of the calorimeter response to single hadrons and determination of the jet energy scale uncertainty using LHC Run-1 pp-collision data with the ATLAS detector
dc.typeJournal article
pubs.publication-statusPublished

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