h-β line in a corona helium plasma: a multi-code line shape comparison

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ID: 214419
2018
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Abstract
Many spectroscopic diagnostics are routinely used as techniques to infer the plasma parameters from line emission spectra, but their accuracy depends on the numerical model or code used for the fitting process. However, the validation of a line shape code requires some steps: the comparison of the line shape code with other similar codes for some academic (simple) cases and then for more complex ones, the comparison of the fitting parameters obtained from the best fit of the experimental spectra with those obtained with other diagnostic techniques, and/or the comparison of the fitting parameters obtained by different codes to fit the same experimental data. Here we compare the profiles of the hydrogen Balmer β line in helium plasma computed by five codes for a selected set of plasma parameters and we report on the plasma parameters inferred by each of them from the fitting to a number of experimental spectra measured in a helium corona discharge where the pressure was in the range of 1–5 bars.
Reference Key
sheeba2018atomsh- Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Roshin Raj Sheeba;Mohammed Koubiti;Nelly Bonifaci;Franck Gilleron;Caroline Mossé;Jean-Christophe Pain;Joël Rosato;Evgeny Stambulchik
Journal case reports in veterinary medicine
Year 2018
DOI
10.3390/atoms6020029
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