Doubly differential secondary-electron yields following 8-MeV/uU68+- and 3.5-MeV/uU38+-ion impact on a thin carbon-foil target

Abstract
Doubly differential secondary-electron yields following the impact of 8-MeV/u U68+ and 3.5-MeV/u U38+ ions on 44-μg/cm2 carbon-foil targets have been investigated experimentally. Electron emission yields were determined for ejection angles varied between 0° and 157° and electron energies ranging from 10 eV to 8 keV. The experimental data are compared to results from a theoretical model for production and transport of fast electrons in solids.