The Renormalization of the Non-Abelian Gauge Theories in the Causal Approach

Abstract

We consider the gauge invariance of the standard Yang-Mills model in the framework of the causal approach of Epstein-Glaser and Scharf and determine the generic form of the anomalies. The method used is based Epstein-Glaser approach to renormalization theory. In the case of quantum electrodynamics we obtain quite easily the absence of anomalies in all orders.

arXiv comment29 pages, LATEX 2e, essentially rewritten paper

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