Electron-energy and angular-distribution theory for low-energy ion-atom collisions
Journal Article
·
· Physical Review Letters
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996-1501 (United States)
We present the first {ital ab} {ital initio} calculations of electron-energy and angular distributions of saddle-point and {ital S}-promotion electrons for ionization in proton-hydrogen atom collisions. The calculations are based on outgoing wave Sturmian expansions in the frequency domain. They go beyond the usual Born-Oppenheimer separation of electron and nuclei motion and display the ``{ital v}/2`` peaks and the continuum capture cusps, missing in previous theories.
- Research Organization:
- Oak Ridge National Laboratory
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 239439
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 13 Vol. 75; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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