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Journal Articles Universe Year : 2023

Stark Broadening of N VI Spectral Lines

Abstract

Stark broadening parameters, line widths and shifts, for 15 N VI multiplets are calculated using semiclassical perturbation theory for temperatures from 50,000 K to 2,000,000 K, and perturber density of 1016 cm−3. As perturbers have been taken electrons, protons and He III ions (alpha particles), which are of interest particularly for white dwarfs. Moreover, B III, B IV, B V and B VI ions have been taken as well, due to their significance for proton-boron fusion investigations. An example of the importance of Stark broadening in comparison with thermal Doppler broadening in atmospheres of spectral class DO white dwarfs is also presented. The obtained results are of interest particularly for white dwarf atmospheres modelling and analysis and synthesis of their spectra as well as for laser driven plasma in proton-boron fusion investigations.
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hal-04571410 , version 1 (07-05-2024)

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Milan S Dimitrijević, Magdalena D Christova, Sylvie Sahal-Bréchot. Stark Broadening of N VI Spectral Lines. Universe, 2023, 9 (12), pp.511. ⟨10.3390/universe9120511⟩. ⟨hal-04571410⟩
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