SMEFT predictions for \(gg\to hh\) at full NLO QCD and truncation uncertainties

We present a calculation of the NLO QCD corrections for Higgs-boson pair production in gluon fusion including effects of anomalous couplings within Standard Model Effective Field Theory (SMEFT). We study effects of different truncation options of the EFT expansion in \(1/\Lambda\) and of double oper...

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Bibliographic Details
Published in:arXiv.org 2023-10
Main Authors: Heinrich, Gudrun, Lang, Jannis, Scyboz, Ludovic
Format: Article
Language:English
Subjects:
Couplings
Field theory
Gluons
Higgs bosons
Pair production
Quantum chromodynamics
Online Access:Get full text
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Summary:We present a calculation of the NLO QCD corrections for Higgs-boson pair production in gluon fusion including effects of anomalous couplings within Standard Model Effective Field Theory (SMEFT). We study effects of different truncation options of the EFT expansion in \(1/\Lambda\) and of double operator insertions, both at total cross-section level as well as for the distribution of the invariant mass of the Higgs-boson pair, at \(\sqrt{s}=13\) TeV. The NLO corrections are implemented in the generator \(\texttt{ggHH_SMEFT}\) in the \(\texttt{Powheg-Box-V2}\) framework.
ISSN:2331-8422
DOI:10.48550/arxiv.2204.13045