Simple Amplitudes for Φ^3 Feynman Ladder Graphs

Details Simple Amplitudes for Φ^3 Feynman Ladder Graphs Simple Amplitudes for Φ^3 Feynman Ladder Graphs

1996-09-03

arxiv.org/abs/hep-ph/9609238v1

Mod.Phys.Lett. A12 (1997) 811-820

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 Plain TeX pages, 2 PostScript figures included

Scientific paper

Recently, we proposed a new approach for calculating Feynman graphs amplitude using the Gaussian representation for propagators which was proven to be exact in the limit of graphs having an infinite number of loops. Regge behavior was also found in a completely new way and the leading Regge trajectory calculated. Here we present symmetry arguments justifying the simple form used for the polynomials in the Feynman parameters $\bar \alpha _{\ell}$, where $\bar \alpha _{\ell}$ is the mean-value for these parameters, appearing in the amplitude for the ladder graphs. (Taking mean-values is equivalent to the Gaussian representation for propagators).

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