Resonance contribution to electron-impact excitation of Ne-like ions

Details Resonance contribution to electron-impact excitation of Ne-like ions Resonance contribution to electron-impact excitation of Ne-like ions

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrva..37.1983o&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 37, March 15, 1988, p. 1983-1990. Research supported by A

Physics

General Physics

13

Atomic Excitations, Atomic Structure, Electron Impact, Neon, Plasma Resonance, Hartree Approximation, Iron, Reaction Kinetics, Scattering Cross Sections

Scientific paper

Detailed calculation of cross sections and rate coefficients for electron-impact excitation of Ne-like ions is presented in which contributions of the resonance intermediate states 2p(5)n(t)l(t)nl with n(t) less than or equal to 4, are included, leading to the final states 2p(5)3l(f), where l(f)=0, 1, 2. The cascade effect greatly complicates the calculation, as compared with the complementary process, the dielectronic recombination. The present study of the Fe(16+) ion supplements the earlier work by B. W. Smith et al. (1985), while the Se(24+) ion was considered in detail for application to soft X-ray lasers. The resonance-excitation effect reduces substantially the existing discrepancy in the case of Se between the simple ionization-balance model and recent plasma experiments.

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