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Dressed quark-gluon vertex form factors from gauge symmetry

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arxiv 2201.04144 v1 pith:WXTICVCC submitted 2022-01-11 hep-ph hep-latnucl-th

Dressed quark-gluon vertex form factors from gauge symmetry

classification hep-ph hep-latnucl-th
keywords factorsformvertexgaugequark-gluonangleconstraincovariance
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present preliminary results on the longitudinal $and$ transverse form factors of the quark-gluon vertex as functions of the incoming and outgoing quark momenta and an angle $\theta =2\pi/3$ between them. The expressions for these form factors were previously derived from Slavnov-Taylor identities, gauge covariance and multiplicative renormalizability that firmly constrain the fermion-boson vertex.

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