Journal article
Calculation of electron-impact total-ionization cross sections
Physical Review A - Atomic, Molecular, and Optical Physics, Vol.66(1)
2002
Abstract
A computationally efficient analytic form of the Born-approximation electron-impact ionization amplitude is derived for general neutral-atom targets. High-quality Hartree-Fock Slater orbitals are used to model the target wave function. Full orthogonalization of the continuum Coulomb wave to all occupied orbitals of the target atom is enforced. Results are presented for noble gases (Ne, Ar, Kr, and Xe), selected transition metals (Fe, Cu, and Ag), and elements from the fourth, fifth, and sixth columns of the periodic table (Si, Ge, Sn, P, As, Sb, S, Se, and Te), where theoretical comparisons are lacking. Full orthogonalization significantly improves agreement with experimental data for the noble-gas series compared to previous Born models. Overall agreement with all elements is uniformly good and variations within each series are systematic.
Details
- Title
- Calculation of electron-impact total-ionization cross sections
- Authors/Creators
- P.L. Bartlett (Author/Creator) - Murdoch UniversityA.T. Stelbovics (Author/Creator) - Murdoch University
- Publication Details
- Physical Review A - Atomic, Molecular, and Optical Physics, Vol.66(1)
- Publisher
- The American Physical Society
- Identifiers
- 991005541100107891
- Copyright
- © 2002 American Physical Society
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.15 Physical Chemistry
- 2.15.664 Dissociative Electron Attachment
- Web Of Science research areas
- Optics
- Physics, Atomic, Molecular & Chemical
- ESI research areas
- Physics