Gluon coupling strength in H_QCD with small cutoffs
classification
✦ hep-th
keywords
couplinglambdaconstantcanonicalcharacterizedcontributioncutoffcutoffs
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This contribution presents the running triple-gluon-vertex coupling constant, g_lambda, in Hamiltonians for the gluons that are characterized by the size 1/lambda. The coupling constant is obtained from renormalization group equations for effective particles in canonical light-front QCD in third order perturbation theory. lambda plays the role of a finite cutoff parameter and is varied from 100 Gev down to 100 MeV.
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