Mathematics – Logic
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phrva..29.1811m&link_type=abstract
Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 29, April 1984, p. 1811-1824. Research supported by the C
Mathematics
Logic
45
Electron Impact, Electron Scattering, Molecular Excitation, Neon, Scattering Cross Sections, Electron Energy, Inelastic Scattering, Many Body Problem, Spin-Orbit Interactions
Scientific paper
First-order many-body theory has been used to calculate the differential and integral cross sections for electron-impact excitation of all the 3s,3s prime levels, and certain of the 3p,3p prime levels of neon, for incident electron energies ranging from 20 to 120 eV. The resulting differential cross sections for the excitation of the optically allowed 1P1 and the 3P1 levels show, for the 10-80 deg angular range, a discrepancy no greater than 15 percent when compared with recent experimental results, except for very few points. Spin-orbit coupling was included in the wave functions and its effect on determining the differential cross sections for the 3P1 level was found to be very important for scattering angles less than 40 deg. For the differential cross sections of the other 3s,3s prime levels the discrepancy in the 30-80 deg range is only slightly larger than the experimental errors. For the 3s,3s prime levels considered here, strong disagreement with experimental data has been found and there is also substantial disagreement among the various theoretical results.
Csanak G.
Leal E. P.
Machado L. E.
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