Electron-impact ionization of the Si atom
Journal Article
·
· Journal of Physics. B, Atomic, Molecular and Optical Physics
- Auburn Univ., AL (United States). Dept. of Physics
Electron-impact ionization cross sections are calculated for the ground configuration of the Si atom for application in erosion diagnostics of plasma facing components in magnetically confined fusion experiments. The single ionization cross sections include contributions from outer subshell direct ionization and excitation-autoionization. The dominant direct ionization cross sections are calculated using a non-perturbative time-dependent close-coupling method. A significant reduction in the direct ionization cross section is found when compared to perturbative distorted-wave results. The theoretical cross sections are compared with available crossed-beams measurements.
- Research Organization:
- Lawrence Berkeley National Laboratory-National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 1530419
- Journal Information:
- Journal of Physics. B, Atomic, Molecular and Optical Physics, Journal Name: Journal of Physics. B, Atomic, Molecular and Optical Physics Journal Issue: 5 Vol. 52; ISSN 0953-4075
- Country of Publication:
- United States
- Language:
- English
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