Power law in a gauge-invariant cut-off regularisation
arXiv:hep-ph/0610130 · doi:10.1103/PhysRevD.74.121702
Abstract
We study one-loop quantum corrections of a compactified Abelian 5d gauge field theory. We use a cut-off regularisation procedure which respects the symmetries of the model, i.e. gauge invariance, exhibits the expected power-like divergences and therefore allows the derivation of power-law behavior of the effective 4d gauge coupling in a coherent manner.
5 pages, 1 figure, 5 graphs, few references added, to appear in Phys.Rev. Rapid Communications
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