Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/115237
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dc.contributor.authorAaboud, M.en
dc.contributor.authorAad, G.en
dc.contributor.authorAbbott, B.en
dc.contributor.authorAbdallah, J.en
dc.contributor.authorAbdinov, O.en
dc.contributor.authorAbeloos, B.en
dc.contributor.authorAben, R.en
dc.contributor.authorAbouZeid, O.en
dc.contributor.authorAbraham, N.en
dc.contributor.authorAbramowicz, H.en
dc.contributor.authorAbreu, H.en
dc.contributor.authorAbreu, R.en
dc.contributor.authorAbulaiti, Y.en
dc.contributor.authorAcharya, B.en
dc.contributor.authorAdamczyk, L.en
dc.contributor.authorAdams, D.en
dc.contributor.authorAdelman, J.en
dc.contributor.authorAdomeit, S.en
dc.contributor.authorAdye, T.en
dc.contributor.authorAffolder, A.en
dc.contributor.authoret al.en
dc.date.issued2017en
dc.identifier.citationEuropean Physical Journal C, 2017; 77(5):332-1-332-35en
dc.identifier.issn1434-6044en
dc.identifier.issn1434-6052en
dc.identifier.urihttp://hdl.handle.net/2440/115237-
dc.description.abstractThis paper presents the method and performance of primary vertex reconstruction in proton–proton collision data recorded by the ATLAS experiment during Run 1 of the LHC. The studies presented focus on data taken during 2012 at a centre-of-mass energy of √s = 8 TeV. The performance has been measured as a function of the number of interactions per bunch crossing over a wide range, from one to seventy. The measurement of the position and size of the luminous region and its use as a constraint to improve the primary vertex resolution are discussed. A longitudinal vertex position resolution of about 30 μm is achieved for events with high multiplicity of reconstructed tracks. The transverse position resolution is better than 20 μm and is dominated by the precision on the size of the luminous region. An analytical model is proposed to describe the primary vertex reconstruction efficiency as a function of the number of interactions per bunch crossing and of the longitudinal size of the luminous region. Agreement between the data and the predictions of this model is better than 3% up to seventy interactions per bunch crossing.en
dc.description.statementofresponsibilityM. Aaboud ... P. Jackson ... L. Lee ... A. Petridis ... M.J. White ... [et al.] (The ATLAS Collaboration)en
dc.language.isoenen
dc.publisherSpringeren
dc.rights© CERN for the benefit of the CMS collaboration 2017. This article is an open access publicationen
dc.subjectATLAS Collaboration; ATLAS Collaboration; ATLAS Collaborationen
dc.titleReconstruction of primary vertices at the ATLAS experiment in Run 1 proton-proton collisions at the LHCen
dc.typeJournal articleen
dc.identifier.rmid0030071627en
dc.identifier.doi10.1140/epjc/s10052-017-4887-5en
dc.identifier.pubid280522-
pubs.library.collectionPhysics publicationsen
pubs.library.teamDS14en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Physics publications

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