Theoretical studies of double electron capture in collisions of Ne[sup 8+] with He atoms

Conference · Sat Jun 05 04:00:00 EDT 1993 · AIP Conference Proceedings (American Institute of Physics); (United States)

OSTI ID:5565822

Chen, Z; Lin, C D ^[1]

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1. Department of Physics, J. R. Macdonald Laboratory, Kansas State University, Manhattan, Kansas 66502-2601 (United States)

Double capture cross sections to individual doubly excited states for Ne[sup 8+]-H[ital e] collisions are calculated and analyzed for collision energies from a few to 100 keV/amu. An independent-electron approximation is adopted where the amplitudes for double capture are derived from the anti-symmetrized product of each single electron capture amplitudes properly weighted with the configuration interaction coefficients. The amplitudes for single electron capture are calculated using the two-center atomic orbital close-coupling expansion method with proper model potentials on both centers. By choosing the quantization axis to be perpendicular to the collision plane, we also study the propensity rule, i.e., the [ital M] distribution of the cross section for each doubly excited state. The results are compared with experiments.

• OSTI ID: 5565822
• Report Number(s): CONF-920948--
• Conference Information: Journal Name: AIP Conference Proceedings (American Institute of Physics); (United States) Journal Volume: 274:1
• Country of Publication: United States
• Language: English

Related Subjects

664300* -- Atomic & Molecular Physics-- Collision Phenomena-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
CAPTURE
CHARGED PARTICLES
COLLISIONS
CROSS SECTIONS
ELECTRON CAPTURE
ELEMENTS
ENERGY RANGE
FLUIDS
GASES
HELIUM
ION COLLISIONS
ION-ATOM COLLISIONS
IONS
KEV RANGE
KEV RANGE 01-10
KEV RANGE 10-100
MULTICHARGED IONS
NEON IONS
NONMETALS
RARE GASES