Abstract We present in this work energy levels, oscillator strengths, radiative decay rates and fine structure collision strengths for the Mg III and Al IV ions. The 11 configurations: (1s2) 2s22p6, 2s22p53l, 2s2p63l, 2s22p54l ( l n - 1 , where n is the principal quantum number), yielding the lowest 75 levels are used. The collisional data for these two ions are missing in the literature, especially the database CHIANTI, this is the principal motivation behind the present work. Calculations have been performed using the AUTOSTRUCTURE code. AUTOSTRUCTURE treats the scattering problem in the distorted wave approach. Fine structure collision strengths are calculated for a range of electron energies from 10Ry to 240Ry. The atomic structure data are compared to available experimental and theoretical results.


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    Titel :

    Structural and collisional data for Mg III and Al IV


    Beteiligte:

    Erschienen in:

    Advances in Space Research ; 54 , 7 ; 1203-1222


    Erscheinungsdatum :

    2013-01-01


    Format / Umfang :

    20 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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