The Stopping Power ofK-Electrons

Abstract

The stopping power of $K$-shell electrons for large incident particle energies is calculated in this paper, adding to and correcting previous work on the subject. A definition is given for the average ionization potential of an atom independent of the energy of the incident particle. An integral representation is derived for Bethe's term $C_K$ which corrects the simple $K$-shell stopping number expression. Finally, asymptotic formulas, applicable at large incident particle energies, are given for use with any element.