Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at ?s=13Te

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dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A. R.
dc.contributor.authorAdam, Wolfgang
dc.contributor.authorAmbrogi, Federico
dc.contributor.authorBergauer, Thomas
dc.contributor.authorBrandstetter, Johannes
dc.contributor.authorDragicevic, Marko
dc.date.accessioned2026-01-22T19:46:05Z
dc.date.issued2020
dc.departmentŞırnak Üniversitesi
dc.description.abstractA measurement is presented of differential cross sections for t-channel single top quark and antiquark production in proton–proton collisions at a centre-of-mass energy of 13Te by the CMS experiment at the LHC. From a data set corresponding to an integrated luminosity of 35.9fb-1, events containing one muon or electron and two or three jets are analysed. The cross section is measured as a function of the top quark transverse momentum (p<inf>T</inf>), rapidity, and polarisation angle, the charged lepton p<inf>T</inf> and rapidity, and the p<inf>T</inf> of the W boson from the top quark decay. In addition, the charge ratio is measured differentially as a function of the top quark, charged lepton, and W boson kinematic observables. The results are found to be in agreement with standard model predictions using various next-to-leading-order event generators and sets of parton distribution functions. Additionally, the spin asymmetry, sensitive to the top quark polarisation, is determined from the differential distribution of the polarisation angle at parton level to be 0.440 ± 0.070 , in agreement with the standard model prediction. © 2020, CERN for the benefit of the CMS collaboration.
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dc.description.sponsorshipMissouri University of Science and Technology, MST
dc.description.sponsorshipInstitut National de Physique Nucléaire et de Physique des Particules, IN2P3
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dc.identifier.doi10.1140/epjc/s10052-020-7858-1
dc.identifier.issn1434-6044
dc.identifier.issue5
dc.identifier.scopus2-s2.0-85084861861
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1140/epjc/s10052-020-7858-1
dc.identifier.urihttps://hdl.handle.net/11503/3218
dc.identifier.volume80
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Nature
dc.relation.ispartofEuropean Physical Journal C
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_Scopus_20260122
dc.subjectDistribution functions
dc.subjectPolarization
dc.subjectCharge ratio
dc.subjectCharged leptons
dc.subjectDifferential cross-section ratios
dc.subjectMeasurements of
dc.subjectModel prediction
dc.subjectPolarization angle
dc.subjectProton proton collisions
dc.subjectQuark production
dc.subjectTop quarks
dc.subjectW bosons
dc.subjectBosons
dc.titleMeasurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at ?s=13Te
dc.typeArticle

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