Two-loop SMEFT RGEs induce non-negligible effects on the evolution of Wilson coefficients, leading to percent-level shifts in projected sensitivities for four-quark, top Yukawa, and Higgs-gluon operators in collider fits.
Di Noi, B.A
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abstract
We compute the two-loop renormalisation group equation for the effective Higgs to gluon coupling in Standard Model Effective Field Theory. Concretely, we present the contributions generated by the operators belonging to class 3 and 7 in the Warsaw basis, completing the two-loop renormalization program of the Higgs-gluon coupling proportional to the top Yukawa coupling for potentially tree-level generated operators. We investigate the phenomenological impact of the contributions in fits to Higgs data both in a bottom-up approach and a top-down approach in terms of UV models with vector-like quarks.
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