Stark broadening of C IV and N V lines in the vacuum-UV spectral range

Details Stark broadening of C IV and N V lines in the vacuum-UV spectral range Stark broadening of C IV and N V lines in the vacuum-UV spectral range

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrva..36.2265b&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 36, Sept. 1, 1987, p. 2265-2271.

Physics

General Physics

22

Far Ultraviolet Radiation, Laser Plasmas, Line Spectra, Stark Effect, Ultraviolet Spectra, Vacuum Spectroscopy, Black Body Radiation, Doppler Effect, Electron Density (Concentration), Electron Transitions, Voigt Effect

Scientific paper

The gas-liner pinch-discharge apparatus described by Finken and Ackermann (1981) is employed to measure the spectral line shapes of the 3p-4d, 3d-4f, 4d-5f, and 4f-5g transitions of Li-like C IV and N V at density 7.7 x 10 to the 23rd/cu cm. The experimental setup and VUV detection system are described, and the results are presented in tables and graphs and characterized. It is found that, under these plasma conditions, a quasi-static approximation is required to treat the ion broadening at n = 5 (l greater than 1), with level mixing already detectable at n = 4; the well separated levels at n = 3 can be treated in the electron-impact approximation since the ion broadening is in the quadratic Stark regime.

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