Please use this identifier to cite or link to this item: http://buratest.brunel.ac.uk/handle/2438/13616
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dc.contributor.authorKhachatryan, V-
dc.contributor.authorSirunyan, AM-
dc.contributor.authorTumasyan, A-
dc.contributor.authorAdam, W-
dc.contributor.authorAsilar, E-
dc.contributor.authorBergauer, T-
dc.contributor.authorBrandstetter, J-
dc.contributor.authorBrondolin, E-
dc.contributor.authorDragicevic, M-
dc.contributor.authorErö, J-
dc.contributor.authorFlechl, M-
dc.contributor.authorFriedl, M-
dc.contributor.authorFrühwirth, R-
dc.contributor.authorGhete, VM-
dc.contributor.authorHartl, C-
dc.contributor.authorHörmann, N-
dc.contributor.authorHrubec, J-
dc.contributor.authorJeitler, M-
dc.contributor.authorKönig, A-
dc.contributor.authorKrätschmer, I-
dc.contributor.authorLiko, D-
dc.contributor.authorMatsushita, T-
dc.contributor.authorMikulec, I-
dc.contributor.authorRabady, D-
dc.contributor.authorRad, N-
dc.contributor.authorRahbaran, B-
dc.contributor.authorRohringer, H-
dc.contributor.authorSchieck, J-
dc.contributor.authorStrauss, J-
dc.contributor.authorTreberer-Treberspurg, W-
dc.contributor.authorWaltenberger, W-
dc.contributor.authorWulz, CE-
dc.contributor.authorMossolov, V-
dc.contributor.authorShumeiko, N-
dc.contributor.authorSuarez Gonzalez, J-
dc.contributor.authorAlderweireldt, S-
dc.contributor.authorDe Wolf, EA-
dc.contributor.authorJanssen, X-
dc.contributor.authorLauwers, J-
dc.contributor.authorVan De Klundert, M-
dc.contributor.authorVan Haevermaet, H-
dc.contributor.authorVan Mechelen, P-
dc.contributor.authorVan Remortel, N-
dc.contributor.authorVan Spilbeeck, A-
dc.contributor.authorAbu Zeid, S-
dc.contributor.authorBlekman, F-
dc.contributor.authorD'Hondt, J-
dc.contributor.authorDaci, N-
dc.contributor.authorDe Bruyn, I-
dc.contributor.authorDeroover, K-
dc.contributor.authorHeracleous, N-
dc.contributor.authorLowette, S-
dc.contributor.authorMoortgat, S-
dc.contributor.authorMoreels, L-
dc.contributor.authorOlbrechts, A-
dc.contributor.authorPython, Q-
dc.contributor.authorTavernier, S-
dc.contributor.authorVan Doninck, W-
dc.contributor.authorVan Mulders, P-
dc.contributor.authorVan Parijs, I-
dc.contributor.authorBrun, H-
dc.contributor.authorCaillol, C-
dc.contributor.authorClerbaux, B-
dc.contributor.authorDe Lentdecker, G-
dc.contributor.authorDelannoy, H-
dc.contributor.authorFasanella, G-
dc.contributor.authorFavart, L-
dc.contributor.authorGoldouzian, R-
dc.contributor.authorGrebenyuk, A-
dc.contributor.authorKarapostoli, G-
dc.contributor.authorLenzi, T-
dc.contributor.authorLéonard, A-
dc.contributor.authorLuetic, J-
dc.contributor.authorMaerschalk, T-
dc.contributor.authorMarinov, A-
dc.contributor.authorRandle-conde, A-
dc.contributor.authorSeva, T-
dc.contributor.authorVander Velde, C-
dc.contributor.authorVanlaer, P-
dc.contributor.authorYonamine, R-
dc.contributor.authorZenoni, F-
dc.contributor.authorZhang, F-
dc.contributor.authorCimmino, A-
dc.contributor.authorCornelis, T-
dc.contributor.authorDobur, D-
dc.contributor.authorFagot, A-
dc.contributor.authorGarcia, G-
dc.contributor.authorGul, M-
dc.contributor.authorPoyraz, D-
dc.contributor.authorSalva, S-
dc.contributor.authorSchöfbeck, R-
dc.contributor.authorTytgat, M-
dc.contributor.authorVan Driessche, W-
dc.contributor.authorYazgan, E-
dc.contributor.authorZaganidis, N-
dc.contributor.authorBakhshiansohi, H-
dc.contributor.authorBeluffi, C-
dc.contributor.authorBondu, O-
dc.contributor.authorBrochet, S-
dc.contributor.authorBruno, G-
dc.date.accessioned2016-12-09T16:04:44Z-
dc.date.available2016-12-10-
dc.date.available2016-12-09T16:04:44Z-
dc.date.issued2016-
dc.identifier.citationPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 763: pp. 280 - 303,(2016)en_US
dc.identifier.issn0370-2693-
dc.identifier.urihttp://bura.brunel.ac.uk/handle/2438/13616-
dc.description.abstractFour-lepton production in proton–proton collisions, pp→(Z/γ⁎)(Z/γ⁎)→ℓ+ℓ−ℓ′+ℓ′−, where ℓ,ℓ′=e or μ, is studied at a center-of-mass energy of 13 TeV with the CMS detector at the LHC. The data sample corresponds to an integrated luminosity of 2.6 fb−1. The ZZ production cross section, σ(pp→ZZ)=14.6−1.8+1.9(stat)−0.3+0.5(syst)±0.2(theo)±0.4(lumi)pb, is measured for events with two opposite-sign, same-flavor lepton pairs produced in the mass region 60<mℓ+ℓ−,mℓ′+ℓ′−<120 GeV. The Z boson branching fraction to four leptons is measured to be B(Z→ℓ+ℓ−ℓ′+ℓ′−)=4.9−0.7+0.8 (stat)−0.2+0.3 (syst)−0.1+0.2(theo)±0.1(lumi)×10−6 for the four-lepton invariant mass in the range 80<mℓ+ℓ−ℓ′+ℓ′−<100 GeV and dilepton mass mℓ+ℓ−<4 GeV for all opposite-sign, same-flavor lepton pairs. The results are in agreement with standard model predictions.en_US
dc.description.sponsorshipIndividuals have received support from the Marie-Curie pro-gram and the European Research Council and EPLANET (Euro-pean Union); the Leventis Foundation; the A. P. Sloan Founda-tion; the Alexander von Humboldt Foundation; the Belgian Fed-eral Science Policy Office; the Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technolo-gie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Indus-trial Research, India; the HOMING PLUS program of the Foun-dation for Polish Science, cofinanced from European Union, Re-gional Development Fund, the Mobility Plus program of the Ministry of Science and Higher Education, the National Science Center (Poland), contracts Harmonia 2014/14/M/ST2/00428, Opus 2013/11/B/ST2/04202, 2014/13/B/ST2/02543 and 2014/15/B/ST2/03998, Sonata-bis 2012/07/E/ST2/01406; the Thalis and Aristeia programs cofinanced by EU-ESF and the Greek NSRF; the Na-tional Priorities Research Program by Qatar National Research Fund; the Programa Clarín-COFUND del Principado de Asturias; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chula-longkorn University and the Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand); and the Welch Foundation, contract C-1845.en_US
dc.format.extent280 - 303-
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectCMSen_US
dc.subjectPhysicsen_US
dc.subjectElectroweaken_US
dc.titleMeasurement of the ZZ production cross section and Z → ℓ<sup>+</sup>ℓ<sup>−</sup>ℓ<sup>′+</sup>ℓ<sup>′−</sup> branching fraction in pp collisions at s=13 TeVen_US
dc.typeArticleen_US
dc.identifier.doihttp://dx.doi.org/10.1016/j.physletb.2016.10.054-
dc.relation.isPartOfPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics-
pubs.publication-statusAccepted-
pubs.volume763-
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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