Abstract
Second-order distorted wave calculations are presented for electron-impact ionization of helium with the residual ion left in the n = 1 and 2 states at intermediate energies in coplanar asymmetric geometry. Whereas previous second-order calculations have used the plane wave Born approximation and have used approximations to simplify the evaluation of the second-order term, we perform a full distorted wave calculation and make no approximations in the evaluation of the second-order amplitude (i.e. we sum over all contributing intermediate states). The triple differential cross sections are compared with experimental measurements.
| Original language | American English |
|---|---|
| Journal | Journal of Physics B: Atomic, Molecular and Optical Physics |
| DOIs | |
| State | Published - Dec 1 2005 |
Keywords
- Atomic Excitation and Ionization
- Atomic Physics
- Molecular Physics
- Stereochemistry
Disciplines
- Physics
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