Theoretical investigation of electron-positive ion/atom interactions. Progress report, November 15, 1991--July 14, 1992
Very brief summaries are given on three research topics. Electron impact elastic, excitation, and total cross sections for K were investigated by using elaborate Cl target wave functions in the close-coupling approximation. Photoionization cross sections from ground-state Na were calculated near the 2s{sup 2}2p{sup 5}3s and 2s2p{sup 6}3s inner-shell thresholds; also, the photoionization cross sections of excited 3p {sup 2}P{sup o} and 3d {sup 2}D states were calculated with the R-matrix methodology near the 2s2p{sup 6}3s thresholds. A numerical approach was developed to calculate the charge transfer matrix elements for ion-atom(ion) collisions; this was used for the proton-hydrogen collision problem as an illustration.
- Research Organization:
- Clark Atlanta Univ., GA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG05-84ER13266
- OSTI ID:
- 10146005
- Report Number(s):
- DOE/ER/13266--T4; ON: DE93012933
- Country of Publication:
- United States
- Language:
- English
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Theoretical investigation of electron-positive ion/atom interactions. [Clark Atlanta Univ. , Atlanta, Georgia]
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Related Subjects
664200
664300
74 ATOMIC AND MOLECULAR PHYSICS
COLLISION PHENOMENA
ELASTIC SCATTERING
ELECTRON-ATOM COLLISIONS
EXCITATION
HYDROGEN
HYDROGEN IONS 1 PLUS
ION-ATOM COLLISIONS
PHOTOIONIZATION
PHOTON-ATOM COLLISIONS
POTASSIUM
PROGRESS REPORT
RESEARCH PROGRAMS
SODIUM
SPECTRA OF ATOMS AND MOLECULES AND THEIR INTERACTIONS WITH PHOTONS
TOTAL CROSS SECTIONS
664300
74 ATOMIC AND MOLECULAR PHYSICS
COLLISION PHENOMENA
ELASTIC SCATTERING
ELECTRON-ATOM COLLISIONS
EXCITATION
HYDROGEN
HYDROGEN IONS 1 PLUS
ION-ATOM COLLISIONS
PHOTOIONIZATION
PHOTON-ATOM COLLISIONS
POTASSIUM
PROGRESS REPORT
RESEARCH PROGRAMS
SODIUM
SPECTRA OF ATOMS AND MOLECULES AND THEIR INTERACTIONS WITH PHOTONS
TOTAL CROSS SECTIONS