Avoiding the Landau-pole in perturbative QCD

Details Avoiding the Landau-pole in perturbative QCD Avoiding the Landau-pole in perturbative QCD

2002-03-21

arxiv.org/abs/hep-ph/0203211v1

Phys.Rev. D66 (2002) 125012

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 8 figures

Scientific paper

10.1103/PhysRevD.66.125012

We propose an alternative perturbative expansion for QCD. All scheme and scale dependence is reduced to one free parameter. Fixing this parameter with a fastest apparent convergence criterion gives sensible results in the whole energy region. We apply the expansion to the calculation of the zero flavor triple gluon vertex, the quark gluon vertex, the gluon propagator and the ghost propagator. A qualitative agreement with the corresponding lattice results is found.

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