Volume 521 - Loops and Legs in Quantum Field Theory (LL2026) - Parallel 1B
Towards HH at NNLO QCD: virtual corrections with two top-quark loops
M. Vitti
Full text: pdf
Published on: September 24, 2026
Abstract
The inclusion of top-quark-mass effects in the NNLO QCD corrections to $gg \to HH$ is desirable
due to the significant impact of the top-mass renormalization scheme uncertainty observed at
NLO. In these proceedings, we report on the calculation of a subset of diagrams contributing
to the virtual NNLO QCD corrections to $gg \to HH$. These diagrams, in which the two Higgs
bosons couple to two independent top-quark loops, are computed using asymptotic expansions in
the forward limit.
DOI: https://doi.org/10.22323/1.521.0030
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