Variation of the ion dynamics parameter in Stark-broadened helium lines.

Details Variation of the ion dynamics parameter in Stark-broadened helium lines. Variation of the ion dynamics parameter in Stark-broadened helium lines.

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jqsrt..33..615r&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 33, issue 6, pp. 615-626

Computer Science

10

Stark Broadening:Helium Lines

Scientific paper

Stark broadening of quasidegenerate He lines at λ = 447 nm and 492 nm has been investigated at low electron densities (Ne = 1021 and 3×1021m-3). The perturber mass was varied by using H+, He+ and Ar+ ions. Variation of the parameter (T0/μ)1/2 by a factor of 3 is accompanied by marked ion-dynamical effects in the forbidden component. The results are compared with calculations according to the unified theory and the model microfield method. Characteristic deviations are observed and critically discussed.

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