The Structure of the Bern-Kosower Integrand for the N-Gluon Amplitude

Details The Structure of the Bern-Kosower Integrand for the N-Gluon Amplitude The Structure of the Bern-Kosower Integrand for the N-Gluon Amplitude

1997-10-08

arxiv.org/abs/hep-th/9710067v1

Eur.Phys.J. C5 (1998) 693-699

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, no figures, latex, uses dina4.sty

Scientific paper

An ambiguity inherent in the partial integration procedure leading to the Bern-Kosower rules is fixed in a way which preserves the complete permutation symmetry in the scattering states. This leads to a canonical version of the Bern-Kosower representation for the one-loop N - photon/gluon amplitudes, and to a natural decomposition of those amplitudes into permutation symmetric gauge invariant partial amplitudes. This decomposition exhibits a simple recursive structure.

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