PoS - Proceedings of Science
Volume 416 - Loops and Legs in Quantum Field Theory (LL2022) - Plenary 2
Beyond dimension six in SM Effective Field Theory: a case study in Higgs pair production at NLO QCD
G. Heinrich*, J. Lang and L. Scyboz
Full text: pdf
Published on: October 20, 2022
Abstract
We present the NLO (two-loop) QCD corrections to Higgs boson pair production in gluon fusion within Standard Model Effective Theory (SMEFT), including also squared dimension-6 operators and double insertions of operators. The different options to truncate the EFT expansion are contrasted to a non-linear EFT approach (HEFT) and their effects are illustrated by several phenomenological examples.
DOI: https://doi.org/10.22323/1.416.0009
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