Two-loop renormalization and mixing of gluon and quark energy-momentum tensor operators
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DOI: 10.1103/physrevd.103.014515
Abstract: In this paper, we present one- and two-loop results for the renormalization of the gluon and quark gauge-invariant operators which appear in the definition of the QCD energy-momentum tensor, in dimensional regularization. To this end,… read more here.
Keywords: gluon quark; renormalization; two loop; momentum tensor ... See more keywords
Natural constraints on the gluon-quark vertex
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DOI: 10.1103/physrevd.95.031501
Abstract: In principle, the strong-interaction sector of the standard model is characterized by a unique renormalization-group-invariant (RGI) running interaction and a unique form for the dressed–gluon-quark vertex, Γμ; but, whilst much has been learnt about the… read more here.
Keywords: natural constraints; gluon quark; constraints gluon; quark ... See more keywords