1 Ocak 2021 Dergi makalesi Açık Erişim

CERN İşbirliği

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{
  "@context": "https://schema.org/", 
  "@id": 240290, 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@type": "Person", 
      "affiliation": "CERN", 
      "name": "CERN \u0130\u015fbirli\u011fi"
    }
  ], 
  "datePublished": "2021-01-01", 
  "description": "<p>This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, a, which decays into the dark-matter particles. Processes where the pseudoscalar mediator is produced in association with a single top quark in the 2HDM+a model are explored for the first time at the LHC. Several final states which include either one or two charged leptons (electrons or muons) and a significant amount of missing transverse momentum are considered. The analysis is based on proton\u2013proton collision data collected with the ATLAS experiment at     $\\sqrt{s}=13$   TeV during LHC Run 2 (2015\u20132018), corresponding to an integrated luminosity of 139     ${\\text{fb}}^{-1}$  . No significant excess above the Standard Model predictions is found. The results are expressed as 95% confidence-level limits on the parameters of the signal models considered.</p>", 
  "headline": "Search for dark matter produced in association with a single top quark in     $\\sqrt{s}=13$   TeV     $\\mathrm{pp}$   collisions with the ATLAS detector", 
  "identifier": 240290, 
  "image": "https://aperta.ulakbim.gov.tr/static/img/logo/aperta_logo_with_icon.svg", 
  "license": "http://www.opendefinition.org/licenses/cc-by", 
  "name": "Search for dark matter produced in association with a single top quark in     $\\sqrt{s}=13$   TeV     $\\mathrm{pp}$   collisions with the ATLAS detector", 
  "url": "https://aperta.ulakbim.gov.tr/record/240290"
}