Electron Impact Ionization

1. Front Matter

   Pages I-XI

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2. Quantum Theoretical Methods for Calculating Ionization Cross Sections

   • S. M. Younger

   Pages 1-23

3. Semi-Empirical and Semi-Classical Approximations for Electron Ionization

   • S. M. Younger, T. D. Märk

   Pages 24-41

4. Threshold Behaviour of Ionization Cross-Sections

   • F. H. Read

   Pages 42-88

5. Differential Ionization Cross Sections

   • P. J. O. Teubner

   Pages 89-136

6. Partial Ionization Cross Sections

   • T. D. Märk

   Pages 137-197

7. Innershell Ionization Cross Sections

   • C. J. Powell

   Pages 198-231

8. Total Ionization Cross Sections

   • F. J. de Heer, M. Inokuti

   Pages 232-276

9. Electron-Ion Ionization

   • G. H. Dunn

   Pages 277-319

10. Applications

    • W. Lindinger, F. Howorka, J. M. Shull, A. V. Phelps, E. C. Zipf, Y.-K. Kim et al.

    Pages 320-375

11. Back Matter

    Pages 376-384

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It is perhaps surprising that a process which was one of the first to be studied on an atomic scale, and a process which first received attention over seven decades ago, continues to be the object of diverse and intense research efforts. Such is the case with the (seemingly) conceptually simple and familiar mechanism of electron­ impact ionization of atoms, molecules, and ions. Not only has the multi-body nature of the collision given ground to theoretical effort only grudgingly, but also the variety and subtlety of processes contributing to ionization have helped insure that progress has come only with commensurate work: no pain - no gain. Modern experimental methods have made it possible to effectively measure and explore threshold laws, differential cross sections, partial cross sections, inner-shell ionization, and the ionization of unstable species such as radicals and ions. In most instances the availability of experimental data has provided impetus and guidance for further theoretical progress.

• Cross section
• atoms
• behavior
• collision
• electron
• experiment
• molecule
• pain

• Institut für Experimentalphysik, Universität Innsbruck, Austria

  Tilmann D. Märk

• Joint Institute for Laboratory Astrophysics, National Bureau of Standards and University of Colorado, Boulder, USA

  Gordon H. Dunn

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