Description: In radiation research, electron-impact data are needed regardless of incident particles because the diffusion of energy from the initial track is accomplished by the secondary electrons generated in the target medium. Most experimental data on angular and energy distributions of secondary electrons are incomplete in their coverage of angles and energies, particularly for slow electrons, while energy deposition modeling calculations require full coverage of angles and energies of both secondary and incident electrons. We have used various theoretical and experimental consistency checks to select and revise available theoretical and experimental data to obtain recommended cross sections for the secondary electrons produced by electron-impact ionization of He.
Date: January 1, 1983
Creator: Kim, Y.K.
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