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Absolute-mass threshold resummation for the production of four top quarks

We study the effects of soft gluon resummation in the absolute mass threshold limit for the production of four top quarks at the LHC. We obtain predictions for the cross section at next-to-leading logarithmic (NLL) accuracy, additionally considering $\mathcal{O}(\alpha_s)$ non-logarithmic contributi...

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Detalles Bibliográficos
Autores principales: van Beekveld, Melissa, Kulesza, Anna, Moreno Valero, Laura
Lenguaje:eng
Publicado: 2022
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.414.0881
http://cds.cern.ch/record/2869541
Descripción
Sumario:We study the effects of soft gluon resummation in the absolute mass threshold limit for the production of four top quarks at the LHC. We obtain predictions for the cross section at next-to-leading logarithmic (NLL) accuracy, additionally considering $\mathcal{O}(\alpha_s)$ non-logarithmic contributions that do not vanish at threshold. The numerical results show a reduction of the theoretical error associated with the scale uncertainty by up to a factor of 2.