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Study of the hard double-parton scattering contribution to inclusive four-lepton production in pp collisions at √s=8 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.authorAbhayasinghe, Deshan Kavishka
dc.contributor.authorAbidi, Syed Haider
dc.contributor.authorAbouZeid, Hass
dc.contributor.authorAbraham, Nadine L.
dc.contributor.authorAbramowicz, Halina
dc.contributor.authorBuanes, Trygve
dc.contributor.authorDjuvsland, Julia Isabell
dc.contributor.authorEigen, Gerald
dc.contributor.authorFomin, Nikolai
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.authorGaronne, Vincent
dc.contributor.authorGramstad, Eirik
dc.contributor.authorHellesund, Simen
dc.contributor.authorMorisbak, Vanja
dc.contributor.authorOppen, Henrik
dc.contributor.authorOuld-Saada, Farid
dc.contributor.authorPedersen, Maiken
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, Henso
dc.contributor.authorAbulaiti, Yiming
dc.contributor.authorAcharya, Bobby S.
dc.contributor.authorAdachi, Shunsuke
dc.contributor.authorAdam, Lennart
dc.contributor.authorAdamczyk, Leszek
dc.contributor.authorAdelman, Jareed
dc.contributor.authorAdersberger, Michael
dc.contributor.authorAdigüzel, Aytül
dc.contributor.authorAdye, Tim
dc.contributor.authorAffolder, Anthony Allen
dc.contributor.authorAfik, Yoav
dc.contributor.authorAgheorghiesei, Catalin
dc.contributor.authorATLAS, Collaboration
dc.date.accessioned2020-06-08T14:28:46Z
dc.date.available2020-06-08T14:28:46Z
dc.date.issued2019-03-10
dc.PublishedAaboud M, Aad G, Abbott B, Abdinov OBo, Abeloos B, et al., ATLAS C. Study of the hard double-parton scattering contribution to inclusive four-lepton production in pp collisions at √s=8 TeV with the ATLAS detector. Physics Letters B. 2019;790:595-614eng
dc.identifier.issn0370-2693en_US
dc.identifier.issn1873-2445en_US
dc.identifier.urihttps://hdl.handle.net/1956/22498
dc.description.abstractThe inclusive production of four isolated charged leptons in pp collisions is analysed for the presence of hard double-parton scattering, using 20.2 fb−1 of data recorded in the ATLAS detector at the LHC at centre-of-mass energy √s = 8 TeV. In the four-lepton invariant-mass range of 80 < m4l < 1000 GeV, an artificial neural network is used to enhance the separation between single- and double-parton scattering based on the kinematics of the four leptons in the final state. An upper limit on the fraction of events originating from double-parton scattering is determined at 95% confidence level to be fDPS = 0.042, which results in an estimated lower limit on the effective cross section at 95% confidence level of 1.0 mb.en_US
dc.language.isoengeng
dc.publisherElsevieren_US
dc.rightsAttribution CC BYeng
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/eng
dc.subjectFour-lepton productioneng
dc.subjectDouble Drell–Yaneng
dc.subjectDouble parton-scatteringeng
dc.subjectHiggs golden decay channeleng
dc.titleStudy of the hard double-parton scattering contribution to inclusive four-lepton production in pp collisions at √s=8 TeV with the ATLAS detectoren_US
dc.typePeer reviewed
dc.typeJournal article
dc.date.updated2019-11-22T12:04:06Z
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2019 The Author(s)en_US
dc.identifier.doihttps://doi.org/10.1016/j.physletb.2019.01.062
dc.identifier.cristin1704961
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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