Abstract
Wilson is a Python library for matching and running Wilson coefficients of
higher-dimensional operators beyond the Standard Model. Provided with the
numerical values of the Wilson coefficients at a high new physics scale, it
automatically performs the renormalization group evolution within the Standard
Model effective field theory (SMEFT), matching onto the weak effective theory
(WET) at the electroweak scale, and QCD/QED renormalization group evolution
below the electroweak scale down to hadronic scales relevant for low-energy
precision tests. The matching and running encompasses the complete set of
dimension-six operators in both SMEFT and WET. The program builds on the Wilson
coefficient exchange format (WCxf) and can thus be easily combined with a
number of existing public codes.
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