Gluon propagator in diffractive scattering

Details Gluon propagator in diffractive scattering Gluon propagator in diffractive scattering

2006-07-11

arxiv.org/abs/hep-ph/0607128v2

Int.J.Mod.Phys. A21 (2006) 5861-5874

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 4 figures, accepted for publication in Int. J. Mod. Phys. A (uses ws-ijmpa.cls). Authors corrected

Scientific paper

10.1142/S0217751X06033945

In this work, we perform a comparison of the employ of distinct gluon propagators with the experimental data in diffractive processes, $pp$ elastic scattering and light meson photo-production. The gluon propagators are calculated through non-perturbative methods, being justified their use in this class of events, due to the smallness of the momentum transfer. Our results are not able to select the best choice for the modified gluon propagator among the analyzed ones, showing that the application of this procedure in this class of high energy processes, although giving a reasonable fit to the experimental data, should be taken with same caution.

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