The role of the oscillator strength in the determination of plasma densities

Details The role of the oscillator strength in the determination of plasma densities The role of the oscillator strength in the determination of plasma densities

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jqsrt..17..721h&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 17, June 1977, p. 721-727.

Computer Science

4

Plasma Density, Plasma Spectra, Plasma-Particle Interactions, Spectral Line Width, Vibrational Spectra, Doppler Effect, Electron Scattering, Free Electrons, Stark Effect

Scientific paper

The importance of accurate knowledge of atomic oscillator strengths in computing reliable values for the widths of isolated ion lines broadened by plasma-electron impact is demonstrated explicitly for the case of medium- and high-density plasmas. The dependence of line width on oscillator strength is analyzed for electric dipole transitions, and the determination of oscillator strengths is reviewed. The LK coupling scheme is employed to describe certain states where the radiating electron is highly excited, the Stark widths of the N II lines at 4041.3 and 4552.5 A are calculated, and agreement between the measured and computed widths is found to be quite good.

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