Improved calculations on high-N Balmer and Paschen series profiles

Details Improved calculations on high-N Balmer and Paschen series profiles Improved calculations on high-N Balmer and Paschen series profiles

Apr 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..467..115f&link_type=abstract

The 14th international conference on spectral line shapes. AIP Conference Proceedings, Volume 467, pp. 115-118 (1999).

Physics

General Theory And Basic Studies Of Plasma Lifetime, Particle And Heat Loss, Energy Balance, Field Structure, Etc., Zeeman And Stark Effects

Scientific paper

A study of the Balmer and Paschen series from n=8 to 13 for plasma regimes relevant to the magnetic fusion devices is carried out. For such conditions the main improvement that can be inferred from standard electron broadening theories is that the line profiles change from the impact to the static line shape. A method using a frequency dependent electron broadening operator is implemented in the line shape code based on the Frequency Fluctuation Model. The line shape code thus modified is used to synthesize the Balmer et Paschen series with the aim to improve diagnostics of electron density based on spectroscopy.

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