Search For Dark Matter Produced İn Association With A Single Top Quark Or A Top Quark Pair İn Proton-Proton Collisions At p s = 13 Tev

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dc.authorid249433en_US
dc.contributor.authorBilki, Burak
dc.contributor.author., ve diğer.
dc.date.accessioned2019-12-31T11:22:10Z
dc.date.available2019-12-31T11:22:10Z
dc.date.issued2019
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractA search for dark matter produced in association with top quarks in protonproton collisions at a center-of-mass energy of 13TeV is presented. The data set used corresponds to an integrated luminosity of 35.9 fb?¹ recorded with the CMS detector at the LHC. Whereas previous searches for neutral scalar or pseudoscalar mediators considered dark matter production in association with a top quark pair only, this analysis also includes production modes with a single top quark. The results are derived from the combination of multiple selection categories that are de ned to target either the single top quark or the top quark pair signature. No signi cant deviations with respect to the standard model predictions are observed. The results are interpreted in the context of a simpli ed model in which a scalar or pseudoscalar mediator particle couples to a top quark and subsequently decays into dark matter particles. Scalar and pseudoscalar mediator particles with masses below 290 and 300 GeV, respectively, are excluded at 95% con dence level, assuming a dark matter particle mass of 1 GeV and mediator couplings to fermions and dark matter particles equal to unity.en_US
dc.identifier.citationJ. High Energ. Phys. (2019) 2019: 141.en_US
dc.identifier.doi10.1007/JHEP03(2019)141
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-85063645926en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1007/JHEP03(2019)141
dc.identifier.wosWOS:000462971600002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherThe CMS Collaborationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectDark matteren_US
dc.subjectHadron-Hadron scattering (experiments)en_US
dc.subjectTop physicsen_US
dc.titleSearch For Dark Matter Produced İn Association With A Single Top Quark Or A Top Quark Pair İn Proton-Proton Collisions At p s = 13 Teven_US
dc.typeArticleen_US

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