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arxiv: 1607.02740 · v2 · pith:QJKKR4RAnew · submitted 2016-07-10 · ✦ hep-ph

The anomalous dimension of spin-1/2 baryons in many flavors QCD

classification ✦ hep-ph
keywords anomalousdimensionoperatorsspin-1agreeambiguitybaryonbaryons
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The anomalous dimension of spin-1/2 baryon operators in QCD is derived at leading 1/Nf order using the minimal subtraction scheme. A residual ambiguity, originating from the presence of evanescent operators in dimensional regularization, is parametrized by a function of the renormalized coupling. Our result is shown to agree with previous 2 and 3 loop calculations performed in two different renormalization schemes.

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