Absolute cross sections for 2s-2p excitation of N/4+/ by electron impact

Details Absolute cross sections for 2s-2p excitation of N/4+/ by electron impact Absolute cross sections for 2s-2p excitation of N/4+/ by electron impact

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979phrva..20..410g&link_type=abstract

Physical Review A - General Physics, 3rd Series, vol. 20, Aug. 1979, p. 410-420.

Physics

General Physics

40

Electron Scattering, Electron Transitions, Nitrogen Plasma, Plasma-Particle Interactions, Scattering Cross Sections, Atomic Energy Levels, Electron Beams, Electron Energy, Electron Orbitals, High Temperature Plasmas, Ion Beams, Plasma Diagnostics, Plasma Pumping

Scientific paper

The paper presents absolute cross sections measured for 1s 2 2s 2S1/2-1s 2 2p 2P1/2,3/2 excitation of lithiumlike N(4+) by electron impact. Relative cross sections measured at several energies between 4 and 52 eV were normalized to a single absolute measurement taken at 15.5 eV for the process which has a threshold at 10 eV. Previously reported data for Li-like C(3+) are presented for comparison. It is shown that in both cases, allowing for the experimental electron energy spread, the measurements agree within experimental uncertainties with published Coulomb-Born and close coupling calculations over the entire experimental energy range. Finally, rate coefficients as a function of electron temperature are also presented for the N(4+) transition.

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