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Measurement of the flavour-specific CP -violating asymmetry asls in Bs0 decays

CERN İşbirliği


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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/108905</identifier>
  <creators>
    <creator>
      <creatorName>CERN İşbirliği</creatorName>
      <affiliation>CERN</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Measurement Of The Flavour-Specific Cp -Violating Asymmetry Asls In Bs0 Decays</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2014</publicationYear>
  <dates>
    <date dateType="Issued">2014-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/108905</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.physletb.2013.12.030</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">&lt;p&gt;The CP -violating asymmetry asls is studied using semileptonic decays of Bs0 and B¯s0 mesons produced in pp collisions at a centre-of-mass energy of 7 TeV at the LHC, exploiting a data sample corresponding to an integrated luminosity of 1.0 fb−1 . The reconstructed final states are Ds±μ∓ , with the Ds± particle decaying in the ϕπ± mode. The Ds±μ∓ yields are summed over B¯s0 and Bs0 initial states, and integrated with respect to decay time. Data-driven methods are used to measure efficiency ratios. We obtain asls=(−0.06±0.50±0.36)% , where the first uncertainty is statistical and the second systematic.&lt;/p&gt;</description>
  </descriptions>
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