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Theoretical investigation of electron-positive ion/atom interactions. [Clark Atlanta Univ. , Atlanta, Georgia]

Technical Report ·
DOI:https://doi.org/10.2172/6607332· OSTI ID:6607332
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:
DOE; USDOE, Washington, DC (United States)
DOE Contract Number:
FG05-84ER13266
OSTI ID:
6607332
Report Number(s):
DOE/ER/13266-T4; ON: DE93012933
Country of Publication:
United States
Language:
English

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Related Subjects

664200 -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
664300* -- Atomic & Molecular Physics-- Collision Phenomena-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METALS
ATOM COLLISIONS
CATIONS
CHARGED PARTICLES
COLLISIONS
CROSS SECTIONS
DOCUMENT TYPES
ELASTIC SCATTERING
ELECTRON COLLISIONS
ELECTRON-ATOM COLLISIONS
ELEMENTS
ENERGY-LEVEL TRANSITIONS
EXCITATION
HYDROGEN
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
ION COLLISIONS
ION-ATOM COLLISIONS
IONIZATION
IONS
METALS
NONMETALS
PHOTOIONIZATION
PHOTON COLLISIONS
PHOTON-ATOM COLLISIONS
POTASSIUM
PROGRESS REPORT
RESEARCH PROGRAMS
SCATTERING
SODIUM
TOTAL CROSS SECTIONS