The Role of $γ_5$ in Dimensional Regularization

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We discuss the consistency of a new \gf -scheme with renormalization. In particular we study the power-counting behaviour of multiloop graphs to prove its consistency. As a side effect we obtain a short proof of the Adler-Bardeen theorem. Further we show that this \gf-scheme does not modify the BRST identities at any loop orders in contrast to BM type schemes.
21 pages (one .ps file including all figures), UTAS-PHYS-94-01

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High Energy Physics - Phenomenology, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/45089

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9401354
 http://arxiv.org/abs/hep-ph/9401354

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arXiv