Other
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...279l..31s&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 279, April 1, 1984, p. L31-L34.
Other
16
Electron Density Profiles, Electron Plasma, Iron, Metallic Plasmas, Plasma Density, Plasma Spectra, Solar Flares, Space Plasmas, Tokamak Devices
Scientific paper
Lines due to 2s22pk-2s2pk+1 transitions in Fe XVIII - Fe XXIII in the 80 - 140 Å region have been observed in Princeton Large Torus tokamak plasmas with electron densities of 5×1012 cm-3 and 3.5×1013 cm-3. These spectra strongly resemble those obtained from high-temperature regions of solar flares. The observed intensity ratios of lines of the same iron ion at the two densities are in good agreement with the published theoretical values in most cases, demonstrating that these ratios may be used to reliably determine the density in high-temperature regions of solar flares and other astrophysical plasmas.
Finkenthal Michael
Moos Warren H.
Stratton B. C.
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