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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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      <creatorName>Adam, W.</creatorName>
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      <creatorName>Aguilo, E.</creatorName>
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      <creatorName>Bergauer, T.</creatorName>
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      <creatorName>Dragicevic, M.</creatorName>
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      <creatorName>Eroe, J.</creatorName>
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      <creatorName>Fabjan, C.</creatorName>
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      <creatorName>Friedl, M.</creatorName>
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      <creatorName>Ghete, V. M.</creatorName>
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      <affiliation>Inst Hochenergiephys OeAW, Vienna, Austria</affiliation>
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      <creatorName>Hoermann, N.</creatorName>
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      <creatorName>Hrubec, J.</creatorName>
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      <creatorName>Jeitler, M.</creatorName>
      <givenName>M.</givenName>
      <familyName>Jeitler</familyName>
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      <creatorName>Kiesenhofer, W.</creatorName>
      <givenName>W.</givenName>
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      <affiliation>Inst Hochenergiephys OeAW, Vienna, Austria</affiliation>
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      <creatorName>Knuenz, V.</creatorName>
      <givenName>V.</givenName>
      <familyName>Knuenz</familyName>
      <affiliation>Inst Hochenergiephys OeAW, Vienna, Austria</affiliation>
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      <creatorName>Krammer, M.</creatorName>
      <givenName>M.</givenName>
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  <titles>
    <title>Measurement Of The T(T)Over-Bar Production Cross Section In The Dilepton Channel In Pp Collisions At Root S=7 Tev</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2012</publicationYear>
  <dates>
    <date dateType="Issued">2012-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr//record/225409</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1007/JHEP11(2012)067</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="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.</description>
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