Analytic Perturbative Approach to QCD

Details Analytic Perturbative Approach to QCD Analytic Perturbative Approach to QCD

1998-08-28

arxiv.org/abs/hep-ph/9808457v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 7 eps figures, parallel session talk at ICHEP'98, requires ltwol.sty

Scientific paper

A technique called analytic perturbation theory, which respects the required analytic properties, consistent with causality, is applied to the definition of the running coupling in the timelike region, to the description of inclusive $\tau$-decay, to deep-inelastic scattering sum rules, and to the investigation of the renormalization scheme ambiguity. It is shown that in the region of a few GeV the results are rather different from those obtained in the ordinary perturbative description and are practically renormalization scheme independent.

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