The position of the quasielastic peak and electron Coulomb distortion in (e,e') scattering

The position of the quasielastic peak for (e,e') scattering off 208-Pb extracted from a selected data set measured at Saclay is related to a heuristic theoretical description. An analysis of the data shows that the peak position can be described very accurately by a simple equation in the relevant kinematic region where a pronounced peak is observable. The simple findings result in a concluding comment related to recent calculations concerning the Coulomb distortion in (e,e') scattering for heavy nuclei.