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Stark broadening parameters calculation of the allowed 4471 Å line and forbidden 4470 Å component of neutral helium with different electric microfield distribution functions

The influence of an electric microfield distribution function (EMDF) on line shapes and on Stark broadening parameters is studied. For this purpose, we use different EMDFs obtained by theoretical calculations and computer simulation methods to calculate the allowed 4471Å neutral helium line and its forbidden 4470Å component. Correlation effects are shown by considering different categories of plasmas, weakly coupled plasmas and strongly coupled plasmas, with large gaps of temperature and density


Auteur(s) : I.G. Faye, S. Diallo, M.S. Tall, I. Diédhiou, L. Gomis and C.S. Diatta
Année de publication : 2011
Revue : Physica Scripta
N° de volume : 84
Type : Article
Mise en ligne par : FAYE Ibrahima Guèye