Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/126399
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dc.contributor.authorAad, G.en
dc.contributor.authorAbbott, B.en
dc.contributor.authorAbbott, D.en
dc.contributor.authorAbed Abud, A.en
dc.contributor.authorAbeling, K.en
dc.contributor.authorAbhayasinghe, D.en
dc.contributor.authorAbidi, S.en
dc.contributor.authorAbouZeid, O.en
dc.contributor.authorAbraham, N.en
dc.contributor.authorAbramowicz, H.en
dc.contributor.authorAbreu, H.en
dc.contributor.authorAbulaiti, Y.en
dc.contributor.authorAcharya, B.en
dc.contributor.authorAchkar, B.en
dc.contributor.authorAdachi, S.en
dc.contributor.authorAdam, L.en
dc.contributor.authorAdam Bourdarios, C.en
dc.contributor.authorAdamczyk, L.en
dc.contributor.authorAdamek, L.en
dc.contributor.authorAdelman, J.en
dc.contributor.authoret al.en
dc.date.issued2020en
dc.identifier.citationPhysics Letters B, 2020; 802:135262-1-135262-23en
dc.identifier.issn0370-2693en
dc.identifier.issn1873-2445en
dc.identifier.urihttp://hdl.handle.net/2440/126399-
dc.description.abstractThe production yield of Z bosons is measured in the electron and muon decay channels in Pb+Pb collisions at √sNN = 5.02 TeV with the ATLAS detector. Data from the 2015 LHC run corresponding to an integrated luminosity of 0.49 are used for the analysis. The Z boson yield, normalised by the total number of minimum-bias events and the mean nuclear thickness function, is measured as a function of dilepton rapidity and event centrality. The measurements in Pb+Pb collisions are compared with similar measurements made in proton–proton collisions at the same centre-of-mass energy. The nuclear modification factor is found to be consistent with unity for all centrality intervals. The results are compared with theoretical predictions obtained at next-to-leading order using nucleon and nuclear parton distribution functions. The normalised Z boson yields in Pb+Pb collisions lie 1–3σ above the predictions. The nuclear modification factor measured as a function of rapidity agrees with unity and is consistent with a next-to-leading-order QCD calculation including the isospin effect.en
dc.description.statementofresponsibilityG. Aad … A. Duvnjak … P. Jackson … J.L. Oliver … A. Petridis … A. Qureshi … A.S. Sharma … M.J. White … et al. [The ATLAS Collaboration]en
dc.language.isoenen
dc.publisherElsevieren
dc.rights©2020 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP³.en
dc.titleZ boson production in Pb+Pb collisions at √sNN = 5.02 TeV measured by the ATLAS experimenten
dc.title.alternativeZ boson production in Pb+Pb collisions at root sNN = 5.02 TeV measured by the ATLAS experimenten
dc.typeJournal articleen
dc.identifier.rmid1000013957en
dc.identifier.doi10.1016/j.physletb.2020.135262en
dc.identifier.pubid503146-
pubs.library.collectionPhysics publicationsen
pubs.library.teamDS14en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidJackson, P. [0000-0002-0847-402X]en
Appears in Collections:Physics publications

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