Recent Absolute (e,2e) Measurements on Atomic Hydrogen and Helium at Low and Intermediate Energies
Electron impact ionization of atoms is one of the most important processes in terrestrial and extraterrestrial plasmas. Especially atomic hydrogen and helium are of interest, not only since these targets are the most abandoned atoms in the universe, but also because they are simple and comparison to theory is quite valuable. In addition H + e − → p + e − + e − is one of the few true three particle processes in nature in which the three particles have long range forces and are in the continuum.
KeywordsDifferential Cross Section Angular Dependency Primary Energy Electron Impact Ionization Absolute Unit
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