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Two-loop Renormalization Group Equations in the SMEFT
Di Zhang
We calculate two-loop renormalization group equations (RGEs) in the Standard Model Effective Field Theory (SMEFT) with right-handed neutrinos, i.e., the so-called SMEFT, up to d…
Complete Two-loop Renormalization Group Equation of the Weinberg Operator
Alejandro Ibarra, Nicholas Leister, Di Zhang
We calculate the renormalization group equation (RGE) of the lepton-number-violating Weinberg operator with the particle content of the Standard Model (SM), thus completing the set…
Renormalization Group Equations for the Dimension-7 SMEFT Operators
Di Zhang
In this talk, a Green's basis and a new physical basis for dimension-seven (dim-7) operators in the Standard Model effective field theory (SMEFT) are proposed. The reduction relati…
Threshold Effects on the Massless Neutrino in the Canonical Seesaw Mechanism
Di Zhang
In this work, we revisit the one-loop renormalization group equations (RGEs) among non-degenerate seesaw scales, i.e., threshold effects in the canonical seesaw mechanism, which ha…
Revisiting Renormalization Group Equations of the SMEFT Dimension-Seven Operators
Di Zhang
In this work, we revisit the renormalization group equations (RGEs) of dimension-seven (dim-7) operators in the Standard Model effective field theory (SMEFT) resulting from mixing…