Experimental determination of line-intensity ratios for the n = 3 to n = 2 transitions of O V, F VI, and Ne VII at electron densities in a range of (4-9) x 10 to the 12th/cu cm

Details Experimental determination of line-intensity ratios for the n = 3 to n = 2 transitions of O V, F VI, and Ne VII at electron densities in a range of (4-9) x 10 to the 12th/cu cm Experimental determination of line-intensity ratios for the n = 3 to n = 2 transitions of O V, F VI, and Ne VII at electron densities in a range of (4-9) x 10 to the 12th/cu cm

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrva..37.3927h&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 37, May 15, 1988, p. 3927-3934. Research supported by the

Astronomy and Astrophysics

Astronomy

10

Electron Density (Concentration), Electronic Spectra, Line Spectra, Oxygen Spectra, Plasma Spectra, Tokamak Devices, Fluorine, Neon, Quantum Numbers, Stellar Flares, Ultraviolet Astronomy

Scientific paper

A photometrically calibrated grazing-incidence time-resolving spectrograph operating at 1.5-36.0 nm is used to measure the relative line intensity ratios of O V, F VI, and Ne VII in the 600-msec discharge of a TEXT (Gentle, 1981) tokamak plasma at central electron temperature 1 keV. The results are presented in tables and graphs and characterized in detail, with reference to recent theoretical computations. The present data can be used to derive electron temperatures and densities from high-resolution EUV observations of stellar flares.

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