The two-loop on-shell renormalization constants for quark and gluon fields with dimension-six SMEFT operators are computed, and four-quark operators are shown to leave the two-loop strong-coupling running unchanged.
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Two-loop renormalisation of quark and gluon fields in the SMEFT in the on-shell scheme
The two-loop on-shell renormalization constants for quark and gluon fields with dimension-six SMEFT operators are computed, and four-quark operators are shown to leave the two-loop strong-coupling running unchanged.