Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-07-08
Phys.Rev.D65:125017,2002
Physics
High Energy Physics
High Energy Physics - Theory
16 pages, no figures
Scientific paper
10.1103/PhysRevD.65.125017
A very general calculational strategy is applied to the evaluation of the divergent physical amplitudes which are typical of perturbative calculations. With this approach in the final results all the intrinsic arbitrariness of the calculations due to the divergent character is still present. We show that by using the symmetry properties as a guide to search for the (compulsory) choices in such a way as to avoid ambiguities, a deep and clear understanding of the role of regularization methods emerges. Requiring then an universal point of view for the problem, as allowed by our approach, very interesting conclusions can be stated about the possible justifications of most intriguing aspect of the perturbative calculations in quantum field theory: the triangle anomalies.
Battistel O. A.
Dallabona G.
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