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Two-loop renormalization of three-quark operators in QCD
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Renormalization of composite three-quark operators in dimensional regularization is complicated by the mixing of physical and unphysical (evanescent) operators. This mixing must be taken into account in a consistent subtraction scheme. In this work we propose a particular scheme that allows one to avoid the necessity of additional finite renormalization and is convenient in QCD applications. As an illustration, we calculate the two-loop anomalous dimensions of local three-quark operators in this scheme.
Forward citations
Cited by 3 Pith papers
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Renormalization of three-quark operators with up to two derivatives at three loops
Three-loop renormalization constants and anomalous dimensions are derived analytically for three-quark operators with derivatives in QCD, confirming prior N=0 results and enabling lattice matching.
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Updated determination of light-cone distribution amplitudes of octet baryons in lattice QCD
Updated baryon light-cone distribution amplitude moments are presented using two-loop conversion factors and new low-energy constants; the two-loop anomalous dimensions for one-derivative three-quark operators are com...
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RI/SMOM renormalization for lattice QCD: bilinear and three-quark operators
A review of high-order RI'/SMOM-to-MS matching factors for lattice QCD bilinear and three-quark operators, including unpublished N=1 results.
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