A quasiclassical approach to electron impact ionization

Geyer, T.; Rost, J. M.

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A quasiclassical approach to electron impact ionization

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Rost, J. M.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Geyer, T., & Rost, J. M. (2002). A quasiclassical approach to electron impact ionization. Journal of Physics B-Atomic Molecular and Optical Physics, 35(6), 1479-1499. Retrieved from http://www.iop.org/EJ/abstract/0953-4075/35/6/306.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-37D4-4

Abstract

A quasiclassical approximation to quantum mechanical scattering in the Moller formalism is developed. While keeping the numerical advantage of a standard classical trajectory Monte Carlo calculation, our approach is no longer restricted to using stationary initial distributions. This allows one to improve the results by using better suited initial phase space distributions than the microcanonical one and to gain insight into the collision mechanism by studying the influence of different initial distributions on the cross section. A comprehensive account of results for single, double and triple differential cross sections for atomic hydrogen will be given, in comparison with experiment and other theories.