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Two-Loop renormalization of High-Dimensional QCD operators and Higgs EFT amplitudes

Qingjun Jin, Ke Ren, Gang Yang, Rui Yu

SciPost Phys. Proc. 7, 036 (2022) · published 21 June 2022

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We consider two-loop renormalization of high-dimensional operators in QCD and the relevant Higgs EFT amplitudes. Efficient unitarity-IBP strategy is used to compute the two-loop minimal form factors of length-3 operators up to dimension sixteen. From the ultraviolet divergences of form factor results, we extract the renormalization matrices and compute anomalous dimensions. We also obtain the analytic finite remainder functions which exhibit several universal transcendentality structures. The form factors we compute are equivalent to Higgs plus three-gluon amplitudes that capture high-order top mass corrections in Higgs effective field theory.

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