REGULARIZATION PARAMETER INDEPENDENT APPROACH IN A FOUR FERMION INTERACTION MODEL

Inagaki T.

Information About Author:

In QCD a non-perturbative effect is essential in low energy phenomena. A usual perturbative procedure loses its validity. A four-fermion interaction model is used to evaluate the low energy phenomena for quarks and gluons. Since the four-fermion interaction is nonrenormalizable, the results depend on the regularization parameter in four spacetime dimensions. Here we show the possibility to eliminate the regularization parameter dependence for some of physical observables.

Keywords: four-fermion interaction, dimensional regularization

( 439.46 kB ) ( 341.63 kB )

Issue: 13, 2012

Pages: 66 — 69

Downloads: 863