Note on triangle anomaly with improved momentum cutoff

Details Note on triangle anomaly with improved momentum cutoff Note on triangle anomaly with improved momentum cutoff

2010-12-21

arxiv.org/abs/1012.4648v1

Mod.Phys.Lett.A26:1537-1545,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages latex, 1 fig

Scientific paper

10.1142/S021773231103595X

A Lorentz and gauge symmetry preserving regularization method has been proposed recently in 4 dimension based on Euclidean momentum cutoff. It is shown that the triangle anomaly can be calculated unambiguously with this new improved cutoff. The anticommutator of \gamma^{5} and \gamma^{\mu} multiplied by five gamma is proportional to terms that do not vanish under a divergent loop-momentum integral, but cancel otherwise.

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