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Quantum and Semiclassical Stark Widths for Ar VII Spectral Lines

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We present in this paper the results of a theoretical study of electron impact broadening for several lines of the Ar VII ion. The results have been obtained using our… Click to show full abstract

We present in this paper the results of a theoretical study of electron impact broadening for several lines of the Ar VII ion. The results have been obtained using our quantum mechanical method and the semiclassical perturbation one. Results are presented for electron density 1018 cm−3 and for electron temperatures ranging from 2 × 10 4 to 5 × 10 5 K required for plasma modeling. Our results have been compared to other semiclassical ones obtained using different sources of atomic data. A study of the strong collisions contributions to line broadening has been performed. The atomic structure and collision data used for the calculations of line broadening are also calculated by our codes and compared to available theoretical results. The agreement found between the two calculations ensures that our line broadening procedure uses adequate structure and collision data.

Keywords: semiclassical stark; quantum semiclassical; vii spectral; widths vii; stark widths; line broadening

Journal Title: Atoms
Year Published: 2018

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