We present a selection of results from our recent study of $pp\to t\bar{t}W^\pm$
production matched to partons showers at NLO QCD at the LHC. Theoretical
predictions are obtained at perturbative orders $\mathcal{O}(\alpha_s^3\alpha)$
and $\mathcal{O}(\alpha_s\alpha^3)$, where the different contributions are
studied first separately at the inclusive level before being combined within a
realistic two same-sign lepton signature. We investigate in detail uncertainties
originating from missing higher-order corrections and from the parton-shower
matching scheme employed.
Volume 398 -
The European Physical Society Conference on High Energy Physics (EPS-HEP2021) -
T07: Top and Electroweak Physics
Parton shower effects in $t\bar{t}W^\pm$ production at NLO QCD
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Pre-published on:
February 10, 2022
Published on:
May 12, 2022
Abstract
DOI: https://doi.org/10.22323/1.398.0482
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.