Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/101911
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dc.contributor.authorThe ATLAS Collaborationen
dc.contributor.authorAad, G.en
dc.date.issued2013en
dc.identifier.citationJournal of High Energy Physics, 2013; 2013(3):128-1-128-47en
dc.identifier.issn1126-6708en
dc.identifier.issn1029-8479en
dc.identifier.urihttp://hdl.handle.net/2440/101911-
dc.description.abstractA measurement of the ZZ production cross section in proton-proton collisions at s√=7 TeV using data recorded by the ATLAS experiment at the Large Hadron Collider is presented. In a data sample corresponding to an integrated luminosity of 4.6 fb−1 collected in 2011, events are selected that are consistent either with two Z bosons decaying to electrons or muons or with one Z boson decaying to electrons or muons and a second Z boson decaying to neutrinos. The ZZ(*) → ℓ+ℓ−ℓ′+ℓ′− and ZZ→ℓ+ℓ−νν¯¯¯ cross sections are measured in restricted phase-space regions. These results are then used to derive the total cross section for ZZ events produced with both Z bosons in the mass range 66 to 116 GeV, σtotZZ=6.7±0.7(stat.)+0.4−0.3(syst.)±0.3(lumi.) pb, which is consistent with the Standard Model prediction of 5.89+0.22−0.18 pb calculated at next-to-leading order in QCD. The normalized differential cross sections in bins of various kinematic variables are presented. Finally, the differential event yield as a function of the transverse momentum of the leading Z boson is used to set limits on anomalous neutral triple gauge boson couplings in ZZ production.en
dc.description.statementofresponsibilityG. Aad … P. Jackson … L. Lee … A Petridis … N. Soni … M.J. White … et al. [The ATLAS Collaboration]en
dc.language.isoenen
dc.publisherSpringeren
dc.rightsOpen Access, Copyright CERN, for the benefit of the ATLAS collaboration. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.en
dc.subjectHadron-hadron scatteringen
dc.titleMeasurement of ZZ production in pp collisions at √s = 7 TeV and limits on anomalous ZZZ and ZZγ couplings with the ATLAS detectoren
dc.title.alternativeMeasurement of ZZ production in pp collisions at root s =7 TeV and limits on anomalous ZZZ and ZZgamma couplings with the ATLAS detectoren
dc.typeJournal articleen
dc.identifier.rmid0020133435en
dc.identifier.doi10.1007/JHEP03(2013)128en
dc.identifier.pubid17105-
pubs.library.collectionChemistry and Physics publicationsen
pubs.library.teamDS14en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Chemistry and Physics publications

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