Mathematics – Probability
Scientific paper
Sep 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jqsrt..40..421w&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073), vol. 40, Sept. 1988, p. 421-427.
Mathematics
Probability
8
Argon Plasma, Line Spectra, Plasma Spectra, Transition Probabilities, Emission Spectra, Plasma Diagnostics, Plasma Generators, Thermodynamic Equilibrium, Visible Spectrum
Scientific paper
Determinations of the atomic transition probabilities for prominent spectral lines of Ar I and II are classical cases for testing the capabilities of the emission spectroscopy method. Despite numerous attempts to measure these data accurately, differences of about 30-40 percent remain in the numerical results, and the available material actually suggests two scales for the transition probabilities, differing by about 30 percent. A critical analysis of all emission experiments undertaken in this study is able to remove these differences satisfactorily. A single transition probability value with an error estimated of only + or - 5 percent is established for a typical Ar I transition; however, discrepancies for the Ar II data are not removed and remain as a challenge to future experiments.
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