Renormalization of QCD Coupling Constant in Terms of Physical Quantities

Details Renormalization of QCD Coupling Constant in Terms of Physical Quantities Renormalization of QCD Coupling Constant in Terms of Physical Quantities

1999-10-15

arxiv.org/abs/hep-th/9910120v1

Int.J.Theor.Phys. 37 (1998) 865-873

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, REVTeX

Scientific paper

A renormalization scheme is suggested where QCD input parameters - quark mass and coupling constant - are expressed in terms of gauge invariant and infrared stable quantities. For the renormalization of coupling constant the quark anomalous electromagnetic moment is used; the latter is calculated in a two loop approximation. Examination of the renormalized S matrix indicated confinement phenomenon already in the framework of perturbation theory.

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