Two Loop QCD Vertices and Three Loop MOM $β$ functions

Details Two Loop QCD Vertices and Three Loop MOM $β$ functions Two Loop QCD Vertices and Three Loop MOM $β$ functions

2000-08-10

arxiv.org/abs/hep-ph/0008094v2

Phys.Lett. B495 (2000) 74-80

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 10 pages, corrected two references and some misprints

Scientific paper

10.1016/S0370-2693(00)01217-X

We present numerical results for the two loop QCD corrections to the ghost gluon vertex, the quark gluon vertex, and the triple gluon vertex in the massless limit at the symmetric point. We restrict ourselves to the tensor structures existing in the tree level. The corrections are used to examine different coupling constant definitions in momentum subtraction schemes and the corresponding three-loop $\beta$ functions.

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