Determination of the electron density from the Stark broadening of Balmer Beta-comparison between experiment and theory

Experimental Stark profiles of H β and D β have been compared to theoretical ones derived from the unified theory (VCS) and the model microfield method (MMM) at electron densities between 6.4 × 10 14 and 1.27 × 10 15 cm −3 determined independently from laser interferometry. The electron density valu...

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Bibliographic Details
Published in:Spectrochimica acta. Part B: Atomic spectroscopy 1991, Vol.46 (8), p.1215-1225
Main Authors: Thonmsen, C., Helbig, V.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Atomic properties and interactions with photons
Exact sciences and technology
Intensities and shapes of atomic spectral lines
Physics
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Summary:Experimental Stark profiles of H β and D β have been compared to theoretical ones derived from the unified theory (VCS) and the model microfield method (MMM) at electron densities between 6.4 × 10 14 and 1.27 × 10 15 cm −3 determined independently from laser interferometry. The electron density values derived from the half-widths of the lines are found to be consistent with the values obtained from fitting the whole profile to the tabulated theoretical data in contrast to the findings of an earlier investigation of Goode and Deavor [ Spectrochim. Acta 39B, 813 (1984)].
ISSN:0584-8547
1873-3565
DOI:10.1016/0584-8547(91)80116-K