17 Eylül 2024 Dergi makalesi Açık Erişim

CERN İşbirliği

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/274713</identifier>
  <creators>
    <creator>
      <creatorName>CERN İşbirliği</creatorName>
      <affiliation>CERN</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Search For Bottom-Type Vectorlike Quark Pair Production In Dileptonic And Fully Hadronic Final States In Proton-Proton Collisions At $\Sqrt{S}=13\Text{}\Text{}\Mathrm{Tev}$</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2024</publicationYear>
  <dates>
    <date dateType="Issued">2024-09-17</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/274713</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1103/PhysRevD.110.052004</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;A search is described for the production of a pair of bottom-type vectorlike quarks ($B$ VLQs) with mass greater than 1000 GeV. Each $B$ VLQ decays into a $b$ quark and a Higgs boson, a $b$ quark and a $Z$ boson, or a $t$ quark and a $W$ boson. This analysis considers both fully hadronic final states and those containing a charged lepton pair from a $Z$ boson decay. The products of the $H\to bb$ boson decay and of the hadronic $Z$ or $W$ boson decays can be resolved as two distinct jets or merged into a single jet, so the final states are classified by the number of reconstructed jets. The analysis uses data corresponding to an integrated luminosity of $138\text{}\text{}{\mathrm{fb}}^{-1}$ collected in proton-proton collisions at $\sqrt{s}=13\text{}\text{}\mathrm{TeV}$ with the CMS detector at the LHC from 2016 to 2018. No excess over the expected background is observed. Lower limits are set on the $B$ VLQ mass at the 95% confidence level. These depend on the $B$ VLQ branching fractions and are 1570 and 1540 GeV for 100% $B\to bH$ and 100% $B\to bZ$, respectively. In most cases, the mass limits obtained exceed previous limits by at least 100 GeV.&lt;/p&gt;</description>
  </descriptions>
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