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Renormalization of three-quark operators at two loops in the RI′/SMOM scheme

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Kniehl, Bernd A. ; Veretin, Oleg L.
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Date of publication of this fulltext: 09 Feb 2024 06:11


We consider the renormalization of the three-quark operators without derivatives at next-to-next-to-leading order in QCD perturbation theory at the symmetric subtraction point. This allows us to obtain conversion factors between the scheme and the regularization invariant symmetric MOM (RI/SMOM, RI′/SMOM) schemes. The results are presented both analytically in gauge in terms of a set of master ...


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