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Measurements of Single Top-Quark Production Using the ATLAS Detector at the LHC

Recent measurements of the production of single top quarks in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}\!=\!13\,\mathrm{TeV}$ are presented. The analysed data with an integrated luminosity of $36\,\mathrm{fb}^{-1}$ was recorded using the ATLAS detector at the LHC. Differential...

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Detalles Bibliográficos
Autor principal: Mergelmeyer, Sebastian
Lenguaje:eng
Publicado: SISSA 2018
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.321.0249
http://cds.cern.ch/record/2637099
Descripción
Sumario:Recent measurements of the production of single top quarks in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}\!=\!13\,\mathrm{TeV}$ are presented. The analysed data with an integrated luminosity of $36\,\mathrm{fb}^{-1}$ was recorded using the ATLAS detector at the LHC. Differential cross sections for $t\kern-0.08exW$ production were measured, an analysis of the quantum interference between $t\kern-0.08exW$ and $t\kern-0.04ex\bar{t}$ production was performed, and evidence for $tZ$ production was found. The results were compared with state-of-the-art theoretical calculations, and no significant deviations from the Standard Model expectations was observed.