Physics
Scientific paper
Oct 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jqsrt..30..335e&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073), vol. 30, Oct. 1983, p. 335-343. Research supported
Physics
19
Carbon, Plasma Electrodes, Plasma Jets, Plasma Spectra, Spectral Line Width, Stark Effect, Arc Discharges, Charged Particles, Dense Plasmas, Line Shape, Plasma Diagnostics, Ultraviolet Spectra
Scientific paper
Profiles of C(III) and C(IV) lines emitted in the VUV and visible regions from a pulsed arc (Ne = 1.5 x 10 to the 18/cu cm, Te = 5.3 x 10 to the 4th K) have been measured with time resolution. The experimental results are in satisfactory agreement with the predictions of electron impact theory for (3-3) and (3-4) transitions for which the energy separation between the upper level and the nearest perturbing level is smaller than the electron thermal energy. For lines from (2-2) transitions for which the plasma is optically thick, damping constants determined experimentally agree with theoretical values within a factor of two.
El-Farra M. A.
Hughes Thomas P.
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