A distorted-wave methodology for electron-ion impact excitation - Calculation for two-electron ions

Details A distorted-wave methodology for electron-ion impact excitation - Calculation for two-electron ions A distorted-wave methodology for electron-ion impact excitation - Calculation for two-electron ions

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jphb...10.2893b&link_type=abstract

Journal of Physics B - Atomic and Molecular Physics, vol. 10, Oct. 1, 1977, p. 2893-2912.

Astronomy and Astrophysics

Astrophysics

32

Electron Impact, Ion Impact, Scattering Cross Sections, Solar Corona, Astrophysics, Far Ultraviolet Radiation, Solar X-Rays

Scientific paper

A distorted-wave program is being developed for calculating the excitation of few-electron ions by electron impact. It uses the exchange approximation to represent the exact initial-state wavefunction in the T-matrix expression for the excitation amplitude. The program has been implemented for excitation of the 2/1,3/(S,P) states of two-electron ions. Some of the astrophysical applications of these cross sections as well as the motivation and requirements of the calculational methodology are discussed.

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