17 Ekim 2024 Dergi makalesi Açık Erişim

CERN İşbirliği

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<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>CERN İşbirliği</dc:creator>
  <dc:date>2024-10-17</dc:date>
  <dc:description>The inclusive cross section for the production of a single top quark in association with a $W$ boson is measured using $140\text{}\text{}{\mathrm{fb}}^{-1}$ of proton-proton collision data collected with the ATLAS detector at $\sqrt{s}=13\text{}\text{}\mathrm{TeV}$. Events containing two charged leptons and at least one jet identified as originating from a $b$-quark are selected. A multivariate discriminant is constructed to separate the $tW$ signal from the $t\overline{t}$ background. The cross section is extracted using a profile likelihood fit to the signal and control regions and it is measured to be ${\sigma }_{tW}=7{5}_{-14}^{+15}\text{}\text{}\mathrm{pb}$, in good agreement with the Standard Model prediction. The measured cross section is used to extract a value for the left-handed form factor at the $Wtb$ vertex times the Cabibbo-Kobayashi-Maskawa matrix element $|{f}_{\mathrm{LV}}{V}_{tb}|$ of $0.97±0.10$.</dc:description>
  <dc:identifier>https://aperta.ulakbim.gov.trrecord/274645</dc:identifier>
  <dc:identifier>oai:aperta.ulakbim.gov.tr:274645</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>http://www.opendefinition.org/licenses/cc-by</dc:rights>
  <dc:source>Physical Review D 110(7)</dc:source>
  <dc:title>Measurement of single top-quark production in association with a $W$ boson in $pp$ collisions at $\sqrt{s}=13\text{}\text{}\mathrm{TeV}$ with the ATLAS detector</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
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