1 Ocak 2014 Dergi makalesi Açık Erişim

CERN İşbirliği

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{
  "@context": "https://schema.org/", 
  "@id": 108537, 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@type": "Person", 
      "affiliation": "CERN", 
      "name": "CERN \u0130\u015fbirli\u011fi"
    }
  ], 
  "datePublished": "2014-01-01", 
  "description": "<p>A search for pair production of third-generation scalar leptoquarks and supersymmetric top quark partners, top squarks, in final states involving tau leptons and bottom quarks is presented. The search uses events from a data sample of proton\u2013proton collisions corresponding to an integrated luminosity of 19.7 fb \u22121 , collected with the CMS detector at the LHC with s=8 TeV . The number of observed events is found to be in agreement with the expected standard model background. Third-generation scalar leptoquarks with masses below 740 GeV are excluded at 95% confidence level, assuming a 100% branching fraction for the leptoquark decay to a tau lepton and a bottom quark. In addition, this mass limit applies directly to top squarks decaying via an R-parity violating coupling \u03bb333\u2032 . The search also considers a similar signature from top squarks undergoing a chargino-mediated decay involving the R-parity violating coupling \u03bb3jk\u2032 . Each top squark decays to a tau lepton, a bottom quark, and two light quarks. Top squarks in this model with masses below 580 GeV are excluded at 95% confidence level. The constraint on the leptoquark mass is the most stringent to date, and this is the first search for top squarks decaying via \u03bb3jk\u2032 .</p>", 
  "headline": "Search for pair production of third-generation scalar leptoquarks and top squarks in proton\u2013proton collisions at s=8 TeV", 
  "identifier": 108537, 
  "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 pair production of third-generation scalar leptoquarks and top squarks in proton\u2013proton collisions at s=8 TeV", 
  "url": "https://aperta.ulakbim.gov.tr/record/108537"
}