Coordinate system used for the LCAO for diatomic molecules. The origin is at the center of mass.
Ratio of as a function of .
Upper part of the figure is the relative FDCS for electron-impact ionization of in the coplanar symmetric scattering geometry. For coplanar symmetric scattering, the electrons are detected with equal energies and at equal angles on opposite sides of the beam direction. The energy of the incident electron is shown in each part of the figure and each outgoing electron has an energy of where is the ionization energy of the ground-state orbital. The horizontal axis is the angular location for the two electron detectors and the corresponding value is shown in the lower part of the figure. The solid lines are the PWIAOA results and the dashed lines are the PWIA results.
Same as Fig. 3 except for higher incident-electron energies.
Same as Fig. 3 except for electron-impact ionization of .
Same as Fig. 5 except for higher incident-electron energies.
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