Journal Article

Theoretical study of the line profiles of the hydrogen perturbed by collisions with protons

M. G. Santos and S. O. Kepler

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 423, issue 1, pages 68-79
Published in print June 2012 | ISSN: 0035-8711
Published online May 2012 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2012.20631.x
Theoretical study of the line profiles of the hydrogen perturbed by collisions with protons

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We present theoretical calculations of the quasi-molecular line profiles for the Lyman (Lyα, Lyβ, Lyγ and Lyδ) and Balmer (Hα, Hβ, Hγ, Hδ, Hε, H8, H9 and H10) series perturbed by collisions with protons. In all calculations, we include the dependence of the dipole moments as a function of the internuclear distance during the collision. The broadening from ion collisions must be added to the normal electron Stark broadening.

Keywords: line: profiles; white dwarfs

Journal Article.  6131 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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