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Two- and three-loop anomalous dimensions of Weinberg’s dimension-six<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>-odd gluonic operator
We apply a fully automated extension of the ${R}^{*}$ operation capable of calculating higher-loop anomalous dimensions of $n$-point Green's functions of arbitrary, possibly nonrenormalizable, local quantum field theories. We focus on the case of the $CP$-violating Weinberg operator of the Standard Model effective field theory whose anomalous dimension is so …