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On the Ion Broadening of the 12 μm lines of Atomic Magnesium

Published online by Cambridge University Press:  03 August 2017

D. Hoang-Binh  and
H. Van Regemorter
D. Hoang-Binh
Affiliation:
LAM, Observatoire de Paris, F-92195 Meudon Cédex, France
H. Van Regemorter
Affiliation:
LAM, Observatoire de Paris, F-92195 Meudon Cédex, France

Abstract

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We have investigated the impact broadening of the 12 μm lines. Ion broadening is found to follow the adiabatic theory, whereas electron broadening needs a non-adiabatic treatment. This relaxes the fixed width/shift ratio, as found by Chang and Schoenfeld (1991), using a pure adiabatic analysis.

Keywords

atomic processesinfrared: starsMg I
Type
Part 4: Infrared Atomic Physics and Line Formation
Information
Symposium - International Astronomical Union , Volume 154: Infrared Solar Physics , 1994 , pp. 353 - 357
Copyright
Copyright © Kluwer 1994 

References

Carlsson, M., Rutten, R.J., Shchukina, N.G.: 1992, Astron. Astrophys. 253, 567.Google Scholar
Chang, E.S., Schoenfeld, W.G.: 1991, Astrophys. J. 383, 450.CrossRefGoogle Scholar
Griem, H.R.: 1974, Spectral Line Broadening by Plasmas, Academic Press, New York.Google Scholar
Hoang-Binh, D.: 1982, Astron. Astrophys. 112, L3.Google Scholar
Hoang-Binh, D: 1991, Astron. Astrophys. 241, L13.Google Scholar
Hoang-Binh, D., Brault, P., Picart, J., Tran-Minh, N., Vallee, O.: 1987, Astron. Astrophys. 181, 134.Google Scholar
Sahal-Brechot, S.: 1969, Astron. Astrophys. 1, 91.Google Scholar
Seaton, M.J.: 1962, Proc. Phys. Soc. 79, 1105.CrossRefGoogle Scholar
Sobelman, I.I., Vainshtein, L.A., Yukov, E.A.: 1981, Excitation of Atoms and Broadening of Spectral Lines, Springer, Berlin.CrossRefGoogle Scholar