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Measurement of the production cross-section of a single top quark in association with a Z boson in proton–proton collisions at 13 TeV with the ATLAS detector

dc.contributor.authorAaboud, Morad
dc.contributor.authorAad, Georges
dc.contributor.authorAbbott, Brad
dc.contributor.authorAbdinov, Ovsat Bahram oglu
dc.contributor.authorAbeloos, Baptiste
dc.contributor.authorAbidi, Syed Haider
dc.contributor.authorAbouZeid, Hass
dc.contributor.authorAbraham, Nadine L.
dc.contributor.authorAbramowicz, Halina
dc.contributor.authorAbreu, Henso
dc.contributor.authorBuanes, Trygve
dc.contributor.authorDale, Ørjan
dc.contributor.authorEigen, Gerald
dc.contributor.authorLiebig, Wolfgang
dc.contributor.authorLipniacka, Anna
dc.contributor.authorMartin dit Latour, Bertrand
dc.contributor.authorMæland, Steffen
dc.contributor.authorStugu, Bjarne
dc.contributor.authorYang, Zongchang
dc.contributor.authorZalieckas, Justas
dc.contributor.authorBugge, Magnar Kopangen
dc.contributor.authorCameron, David Gordon
dc.contributor.authorCatmore, James Richard
dc.contributor.authorFeigl, Simon
dc.contributor.authorFranconi, Laura
dc.contributor.authorGaronne, Vincent
dc.contributor.authorGjelsten, Børge Kile
dc.contributor.authorGramstad, Eirik
dc.contributor.authorMorisbak, Vanja
dc.contributor.authorOppen, Henrik
dc.contributor.authorOuld-Saada, Farid
dc.contributor.authorRaddum, Silje Hattrem
dc.contributor.authorRead, Alexander Lincoln
dc.contributor.authorRøhne, Ole Myren
dc.contributor.authorSandaker, Heidi
dc.contributor.authorSerfon, Cédric
dc.contributor.authorStapnes, Steinar
dc.contributor.authorVadla, Knut Oddvar Høie
dc.contributor.authorAbreu, Rômulo F.
dc.contributor.authorAbulaiti, Yiming
dc.contributor.authorAcharya, Bobby S.
dc.contributor.authorAdachi, Shunsuke
dc.contributor.authorAdamczyk, Leszek
dc.contributor.authorAdelman, Jareed
dc.contributor.authorAdersberger, Michael
dc.contributor.authorAdye, Tim
dc.contributor.authorAffolder, Anthony Allen
dc.contributor.authorAfik, Yoav
dc.contributor.authorAgatonovic-Jovin, Tatjana
dc.contributor.authorAgheorghiesei, Catalin
dc.contributor.authorATLAS, Collaboration
dc.date.accessioned2019-02-26T15:00:05Z
dc.date.available2019-02-26T15:00:05Z
dc.date.issued2018-03-14
dc.PublishedAaboud M, Aad G, Abbott B, Abdinov OBo, Abeloos B, Abidi SH, AbouZeid H, Abraham NL, Abramowicz H, Abreu H, Buanes T, Dale Ø, Eigen G, Liebig W, Lipniacka A, Martin dit Latour B, Mæland S, Stugu B, Yang Z, Zalieckas J, Bugge MK, Cameron DG, Catmore JR, Feigl S, Franconi L, Garonne V, Gjelsten BK, Gramstad E, Morisbak V, Oppen H, Ould-Saada F, Raddum SH, Read AL, Røhne OM, Sandaker H, Serfon C, Stapnes S, Vadla KOH, Abreu RF, Abulaiti Y, Acharya BS, Adachi S, Adamczyk L, Adelman J, Adersberger M, Adye T, Affolder AA, Afik Y, Agatonovic-Jovin T, Agheorghiesei C, ATLAS C. Measurement of the production cross-section of a single top quark in association with a Z boson in proton–proton collisions at 13 TeV with the ATLAS detector. Physics Letters B. 2018;780:557-577eng
dc.identifier.issn0370-2693en_US
dc.identifier.issn1873-2445en_US
dc.identifier.urihttps://hdl.handle.net/1956/19141
dc.description.abstractThe production of a top quark in association with a Z boson is investigated. The proton–proton collision data collected by the ATLAS experiment at the LHC in 2015 and 2016 at a centre-of-mass energy of are used, corresponding to an integrated luminosity of . Events containing three identified leptons (electrons and/or muons) and two jets, one of which is identified as a b-quark jet are selected. The major backgrounds are diboson, and production. A neural network is used to improve the background rejection and extract the signal. The resulting significance is 4.2σ in the data and the expected significance is 5.4σ. The measured cross-section for tZq production is.en_US
dc.language.isoengeng
dc.publisherElsevieren_US
dc.rightsAttribution CC BYeng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/eng
dc.titleMeasurement of the production cross-section of a single top quark in association with a Z boson in proton–proton collisions at 13 TeV with the ATLAS detectoren_US
dc.typePeer reviewed
dc.typeJournal article
dc.date.updated2018-08-20T12:04:42Z
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright The Author(s) 2018en_US
dc.identifier.doihttps://doi.org/10.1016/j.physletb.2018.03.023
dc.identifier.cristin1584721
dc.source.journalPhysics Letters B
dc.subject.nsiVDP::Matematikk og naturvitenskap: 400::Fysikk: 430::Kjerne- og elementærpartikkelfysikk: 431
dc.subject.nsiVDP::Mathematics and natural scienses: 400::Physics: 430::Nuclear and elementary particle physics: 431


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