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Measurement of the cross section and angular correlations for associated production of a Z boson with b hadrons in pp collisions at root s=7 TeV

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


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      <creatorName>Chatrchyan, S.</creatorName>
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      <affiliation>Yerevan Phys Inst, Yerevan 375036, Armenia</affiliation>
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    <creator>
      <creatorName>Khachatryan, V.</creatorName>
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      <creatorName>Sirunyan, A. M.</creatorName>
      <givenName>A. M.</givenName>
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      <creatorName>Tumasyan, A.</creatorName>
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      <creatorName>Adam, W.</creatorName>
      <givenName>W.</givenName>
      <familyName>Adam</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
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    <creator>
      <creatorName>Bergauer, T.</creatorName>
      <givenName>T.</givenName>
      <familyName>Bergauer</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
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    <creator>
      <creatorName>Dragicevic, M.</creatorName>
      <givenName>M.</givenName>
      <familyName>Dragicevic</familyName>
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      <creatorName>Eroe, J.</creatorName>
      <givenName>J.</givenName>
      <familyName>Eroe</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
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      <creatorName>Fabjan, C.</creatorName>
      <givenName>C.</givenName>
      <familyName>Fabjan</familyName>
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      <creatorName>Friedl, M.</creatorName>
      <givenName>M.</givenName>
      <familyName>Friedl</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
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      <creatorName>Fruehwirth, R.</creatorName>
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      <creatorName>Ghete, V. M.</creatorName>
      <givenName>V. M.</givenName>
      <familyName>Ghete</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
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      <creatorName>Hoermann, N.</creatorName>
      <givenName>N.</givenName>
      <familyName>Hoermann</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
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      <creatorName>Hrubec, J.</creatorName>
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      <creatorName>Jeitler, M.</creatorName>
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      <creatorName>Kiesenhofer, W.</creatorName>
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      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
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      <creatorName>Knuenz, V.</creatorName>
      <givenName>V.</givenName>
      <familyName>Knuenz</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
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    <creator>
      <creatorName>Krammer, M.</creatorName>
      <givenName>M.</givenName>
      <familyName>Krammer</familyName>
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    <creator>
      <creatorName>Kraetschmer, I.</creatorName>
      <givenName>I.</givenName>
      <familyName>Kraetschmer</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
    </creator>
    <creator>
      <creatorName>Liko, D.</creatorName>
      <givenName>D.</givenName>
      <familyName>Liko</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
    </creator>
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      <creatorName>Liko, D.</creatorName>
      <givenName>D.</givenName>
      <familyName>Liko</familyName>
      <affiliation>OeAW, Inst Hochenergiephys, Vienna, Austria</affiliation>
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  </creators>
  <titles>
    <title>Measurement Of The Cross Section And Angular Correlations For Associated Production Of A Z Boson With B Hadrons In Pp Collisions At Root S=7 Tev</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2013</publicationYear>
  <dates>
    <date dateType="Issued">2013-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/127321</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1007/JHEP12(2013)039</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">A study of proton-proton collisions in which two b hadrons are produced in association with a Z boson is reported. The collisions were recorded at a centre-of-mass energy of 7 TeVwith the CMS detector at the LHC, for an integrated luminosity of 5.2 fb(-1). The b hadrons are identified by means of displaced secondary vertices, without the use of reconstructed jets, permitting the study of b-hadron pair production at small angular separation. Differential cross sections are presented as a function of the angular separation of the b hadrons and the Z boson. In addition, inclusive measurements are presented. For both the inclusive and differential studies, different ranges of Z boson momentum are considered, and each measurement is compared to the predictions from different event generators at leading-order and next-to-leading-order accuracy.</description>
  </descriptions>
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