Abstract

Curves of growth are calculated for autoionizing transitions having the Beutler–Fano form of absorption cross section. Both graphs and tabulated values of the curves are presented. The curve-of-growth analysis is applied to the 3s–4p transition in argon at 466 Å. The line parameters Γ, q, and ρ2 obtained by fitting the theoretical and experimental equivalent widths are in good agreement with other high-resolution values. The curve-of-growth technique thus appears to be an attractive method for determining the parameters of autoionizing features. The application of this technique to make path-length or particle-density measurements in, for example, a King furnace or a plasma is also discussed.

© 1970 Optical Society of America

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