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A spectral line shape analysis of motional stark effect spectra
L. Godbert-Mouret 1, M. Koubiti 1, Y. Marandet 1, J. Rosato 1, F. Rosmej 1, R. Stamm 1, P. Lotte 2, C. Fenzi 2, H. Capes 2, L. Bureyeva 3, V. Lisitsa 4
(2004-06-14)

Recent observations of MSE spectra carried out on Tore-Supra show discrepancies between experimental and theoretical intensities calculated at equilibrium. We present here a kinetic model, based on the selectivity of excitation cross sections of Stark states in the parabolic basis. Redistribution due to ion-atom collisions among Stark states of level n=3 allow to calculate the population of Stark states. This model permits to improve significantly the agreement between measured and calculated MSE spectra.
1:  Physique des interactions ioniques et moléculaires (PIIM)
CNRS : UMR6633 – Université de Provence - Aix-Marseille I
2:  Département de Recherche sur la Fusion Contrôlée (DRFC)
CEA : DSM/DRFC
3:  Institute of Spectroscopy of the RAS
RAS
4:  National Research Centre "Kurchatov Institute" (NRC KI)
University of Moscow
Physics/Physics/Plasma Physics
Motional Stark Effect – Non equilibrium populations
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