Coulomb corrections for coherent electroproduction of vector mesons: Eikonal approximation
Institut für Physik der Universität Basel, 4056, Basel, Switzerland
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Virtual radiative corrections due to the long-range Coulomb forces of heavy nuclei with charge Z may lead to sizeable corrections to the Born cross-section usually used for lepton-nucleus scattering processes. An introduction and presentation of the most important issues of the eikonal approximation is given. We present calculations for forward electroproduction of rho-mesons in a framework suggested by the VDM (vector dominance model), using the eikonal approximation. It turns out that Coulomb corrections may become relatively large. Some minor errors in the literature are corrected.
© Società Italiana di Fisica and Springer-Verlag, 2004