N32240* --Physics--Atomic & Molecular Physics--Collision Phenomena ANGULAR MOMENTUM ATOMIC MODELS ATOMS BORN APPROXIMATION CROSS SECTIONS DIFFERENTIAL CROSS SECTIONS DIFFERENTIAL EQUATIONS ELECTRON BEAMS ENERGY LEVELS HARTREE-FOCK METHOD IONS KEV RANGE NEON PARTIAL WAVES PERTURBATION THEORY POISSON EQUATIONS QUANTUM MECHANICS SCATTERING SELF-CONSISTENT FIELD OXYGEN SODIUM CROSS SECTIONS/scattering, for electrons by neon (Ne$sup +$), oxygen (O$sup -$), and sodium (Na$sup +$) ions at 1 to 40 keV, nonrelativistic partial-wave and Born-approximation calculations of differential NEON IONS/electron scattering at 1 to 40 keV by Ne$sup +$, nonrelativistic partial-wave and Born-approximation calculations of differential cross sections for ELECTRONS/scattering by neon (Ne$sup +$), oxygen (O$sup -$), and sodium (Na$sup +$) ions at 1 to 40 keV, nonrelativistic partial-wave and Born- approximation calculations of differential cross sections for SODIUM IONS/ electron scattering at 1 to 40 keV by Na$sup +$, nonrelativistic partial-wave and Born-approximation calculations of differential cross sections for OXYGEN IONS (O$sup -$)/electron scattering at 1 to 40 keV by, nonrelativistic partial-wave and Born-approximation calculations of differential cross sections for CROSS SECTIONS/scattering, for electrons by neon (Ne$sup +$), oxygen (O$sup -$), and sodium (Na$sup +$) ions at 1 to 40 keV, nonrelativistic partial-wave and Born-approximation calculations of differential