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Crewther's relation in different schemes
R. H. Mason, J. A. Gracey
We examine Crewther's relation at high loop order in perturbative QCD and demonstrate how the relation is accommodated in gauge-parameter dependent schemes where the running of the…
Kinematic scheme study of the Bjorken sum rule and R ratio
R. H. Mason, J. A. Gracey
The Bjorken sum rule and R ratio are constructed to in the Landau gauge in the three momentum subtraction schemes of Celmaster and Gonsalves where . W…
Scheme and gauge dependence of QCD fixed points at five loops
J. A. Gracey, R. H. Mason, Thomas A. Ryttov +1
We analyse the fixed points of QCD at high loop order in a variety of renormalization schemes and gauges across the conformal window. We observe that in the minimal momentum subtra…
The Crewther relation, schemes, gauges and fixed points
J. A. Gracey, R. H. Mason
We investigate the Crewther relation at high loop order in a variety of renormalization schemes and gauges. By examining the properties of the relation in schemes other than modifi…
Five loop minimal MOM scheme field and quark mass anomalous dimensions in QCD
J. A. Gracey, R. H. Mason
We determine the anomalous dimensions of the gluon, Faddeev-Popov ghost and quark in the minimal MOM scheme to five loops for a general colour group when Quantum Chromodynamics is…