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Effective collision strengths between Mg I and electrons

par Merle, Thibault ;Thévenin, Frédéric;Zatsarinny, O.
Référence Astronomy & astrophysics, 577, 113
Publication Publié, 2015-05

Article révisé par les pairs

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Résumé :

The treatment of the inelastic collisions with electrons and hydrogen atoms are the main source of uncertainties in non-Local Thermodynamic Equilibrium (LTE) spectral line computations. We report, in this research note, quantum mechanical data for 369 collisional transitions of Mg I with electrons for temperatures comprised between 500 and 20000 K. We give the quantum mechanical data in terms of effective collision strengths, more practical for non-LTE studies.