Auger spectroscopy on heavy-ion-atom collisions. I. Kinematic effects and apparatus

This is the first of a series of papers dealing with the spectroscopy of electrons from heavy-ion-atom collisions. The paper presents a simple treatment of the Doppler effect comprising of not only line shift and broadening, but also of the effect on the angular distribution. For line broadening, previous approximations are replaced by a more accurate, but still simple, expression. The potential or Berry effect for fast autionization processes is discussed. Owing to interaction with the Doppler effect, the Berry width vanishes under certain conditions. The experimental conditions are outlined and illustrated by sample calculations.