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Measurement of the t(t)over-bar production cross section in the dilepton channel in pp collisions at root s=7 TeV

Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Aguilo, E.; Bergauer, T.; Dragicevic, M.; Eroe, J.; Fabjan, C.; Friedl, M.; Fruehwirth, R.; Ghete, V. M.; Hammer, J.; Hoermann, N.; Hrubec, J.; Jeitler, M.; Kiesenhofer, W.; Knuenz, V.; Krammer, M.; Krammer, M.


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{
  "DOI": "10.1007/JHEP11(2012)067", 
  "abstract": "The t (t) over bar production cross section (sigma(t (t) over bar)) is measured in proton-proton collisions at root s = 7 TeV in data collected by the CMS experiment, corresponding to an integrated luminosity of 2.3 fb(-1). The measurement is performed in events with two leptons (electrons or muons) in the final state, at least two jets identified as jets originating from b quarks, and the presence of an imbalance in transverse momentum. The measured value of sigma(t (t) over bar) for a top-quark mass of 172.5 GeV is 161.9 +/- 2.5 (stat.)(-5.0)(+5.1) (syst.) +/- 3.6 (lumi.) pb, consistent with the prediction of the standard model.", 
  "author": [
    {
      "family": "Chatrchyan", 
      "given": " S."
    }, 
    {
      "family": "Khachatryan", 
      "given": " V."
    }, 
    {
      "family": "Sirunyan", 
      "given": " A. M."
    }, 
    {
      "family": "Tumasyan", 
      "given": " A."
    }, 
    {
      "family": "Adam", 
      "given": " W."
    }, 
    {
      "family": "Aguilo", 
      "given": " E."
    }, 
    {
      "family": "Bergauer", 
      "given": " T."
    }, 
    {
      "family": "Dragicevic", 
      "given": " M."
    }, 
    {
      "family": "Eroe", 
      "given": " J."
    }, 
    {
      "family": "Fabjan", 
      "given": " C."
    }, 
    {
      "family": "Friedl", 
      "given": " M."
    }, 
    {
      "family": "Fruehwirth", 
      "given": " R."
    }, 
    {
      "family": "Ghete", 
      "given": " V. M."
    }, 
    {
      "family": "Hammer", 
      "given": " J."
    }, 
    {
      "family": "Hoermann", 
      "given": " N."
    }, 
    {
      "family": "Hrubec", 
      "given": " J."
    }, 
    {
      "family": "Jeitler", 
      "given": " M."
    }, 
    {
      "family": "Kiesenhofer", 
      "given": " W."
    }, 
    {
      "family": "Knuenz", 
      "given": " V."
    }, 
    {
      "family": "Krammer", 
      "given": " M."
    }, 
    {
      "family": "Krammer", 
      "given": " M."
    }
  ], 
  "container_title": "JOURNAL OF HIGH ENERGY PHYSICS", 
  "id": "225409", 
  "issue": "11", 
  "issued": {
    "date-parts": [
      [
        2012, 
        1, 
        1
      ]
    ]
  }, 
  "title": "Measurement of the t(t)over-bar production cross section in the dilepton channel in pp collisions at root s=7 TeV", 
  "type": "article-journal"
}
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