Nonlocal Regularization For Non-Abelian Gauge Theories For Arbitrary Gauge Parameter

Details Nonlocal Regularization For Non-Abelian Gauge Theories For Arbitrary Gauge Parameter Nonlocal Regularization For Non-Abelian Gauge Theories For Arbitrary Gauge Parameter

2000-04-18

arxiv.org/abs/hep-th/0004128v1

J.Math.Phys. 41 (2000) 7206-7219

Physics

High Energy Physics

High Energy Physics - Theory

21 pages,postscript file

Scientific paper

10.1063/1.1316762

We study the nonlocal regularization for the non-abelian gauge theories for an arbitrary value of the gauge parameter (\xi). We show that the procedure for the nonlocalization of field theories established earlier by the original authors, when applied in that form to the Faddeev-Popov effective action in a linear gauge cannot lead to a (\xi)-independent result for the observables. We then show that an alternate procedure which is simpler can be used and that it leads to the S-matrix elements (where they exist) independent of (\xi).

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