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On the self-consistency of off-shell Slavnov-Taylor identities in QCD by Gracey, J. A.; Kissler, H.; Kreimer, D. is a scholarly article available to read on EtoBox.

What is On the self-consistency of off-shell Slavnov-Taylor identities in QCD about?

Using Hopf-algebraic structures as well as diagrammatic techniques for determining the Slavnov-Taylor identities for QCD we construct the relations for the triple and quartic gluon vertices at one loop. By making the longitudinal projection on an external gluon of a Green's function we show that the gluon self-energy of that leg is consistently replaced by a ghost self-energy. The resulting identities are then studied by evaluating all the graphs for an off-shell non-exceptional momentum configuration. In the case of the 3-point function this is for the most general momentum case and for the 4-point function we consider the fully symmetric point.

Author

Gracey, J. A.; Kissler, H.; Kreimer, D.

Published

2019

Language

EN