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Measurements of the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson at $\sqrt{s} = 13$ TeV with the ATLAS detector
Measurements of the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson (\ttZ) are presented in these proceedings. The measurements are performed using full Run 2 data that corresponds to 139 $\textrm{fb}^{-1}$ integrated luminosity and...
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Lenguaje: | eng |
Publicado: |
2021
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.22323/1.398.0433 http://cds.cern.ch/record/2789017 |
Sumario: | Measurements of the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson (\ttZ) are presented in these proceedings. The measurements are performed using full Run 2 data that corresponds to 139 $\textrm{fb}^{-1}$ integrated luminosity and is collected with the ATLAS detector at the CERN Large Hadron Collider. The inclusive cross section, which is measured to be $\sigma_{\ttZ} = 0.99 \pm 0.05 \, \textrm{(stat)} \pm 0.08 \, \textrm{(syst.)} \, \textrm{pb}$, and the differential cross section measurements are in good agreement with the SM predicitons. |
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