Abstract
It is a very difficult problem to calculate the differential cross section for an arbitrary ionization reaction. A convergent method of calculation is known in principle 114 and successful calculations have been done on the prototype electron-hydrogen system. However, the ionization reaction is understood well enough that a kinematic region can be identified in which cross sections in agreement with experiment can be calculated with quite simple reaction theory. This region is at incident energies greater than about 1 keV and near the Bethe ridge, characterized by the condition that the momentum of the slower final-state electron is equal in magnitude to the momentum transferred to the faster electron in the collision. This condition is satisfied in a collision between two free electrons.
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© 1999 Springer Science+Business Media New York
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Weigold, E., McCarthy, I.E. (1999). Theory of Electron Momentum Spectroscopy. In: Electron Momentum Spectroscopy. Physics of Atoms and Molecules. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4779-2_3
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DOI: https://doi.org/10.1007/978-1-4615-4779-2_3
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-7164-9
Online ISBN: 978-1-4615-4779-2
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