Rescattering corrections in elastic scattering

Details Rescattering corrections in elastic scattering Rescattering corrections in elastic scattering

2001-04-06

arxiv.org/abs/hep-ph/0104065v1

JHEP 0105:024,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX2e, 15 pages, 14 eps figures

Scientific paper

10.1088/1126-6708/2001/05/024

A detailed study of the rescattering series is performed within a model, using a generalized procedure of eikonalization and fitted to the $pp$ and $\bar pp$ elastic scattering data. We estimate and compare the various rescattering corrections to be added to the Born contribution in the amplitude. We find that their number is finite, whereas it increases with the energy and the transfer, like does their importance. In the domain where data exist, we find also that a correct computation must include, at least, all two- and three-Reggeon exchanges and some four- and five-Reggeon exchanges. Any approximation aiming to reduce this (large) number of exchange would be hazardous, especially when extrapolating. We extend our estimates in the domain of future experiments.

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