New and extended Monte Carlo tools for vector-boson-fusion double-Higgs production now support anomalous Higgs couplings, and show that NLO-plus-shower predictions approximate NNLO results while non-factorizable QCD corrections respond strongly to those couplings.
Scale dependence of non-factorizable virtual corrections to Higgs boson production in weak boson fusion
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abstract
The renormalization-scale dependence of the non-factorizable virtual corrections to Higgs boson production in weak boson fusion at next-to-next-to-leading order in perturbative QCD is unusually strong, due to the peculiar nature of these corrections. To address this problem, we compute the three-loop non-factorizable contribution to this process which accounts for the running of the strong coupling constant, and show that it stabilizes the theoretical prediction.
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Precision tools for the simulation of double-Higgs production via vector-boson fusion
New and extended Monte Carlo tools for vector-boson-fusion double-Higgs production now support anomalous Higgs couplings, and show that NLO-plus-shower predictions approximate NNLO results while non-factorizable QCD corrections respond strongly to those couplings.