Calculated Stark widths of the triply charged argon ion Ar IV
Monthly Notices of the Royal Astronomical Society, Volume 526, Issue 3, pp.3861-3870
In this work we studied the Stark widths of Ar IV ion which are important for modelling atmosphere of some particular stars. Using semiclassical perturbation and modified semi-empirical approach, we present in this work Stark widths of triply ionized argon Ar IV spectral lines which will be implemented in the STARK-B data base. Energy levels and oscillator strengths needed as input for Stark width calculations were obtained from the atomic structure data base TOPbase. If we need to interpolate these Stark widths at different temperatures for the studied transitions of Ar IV, we use a simple and accurate fitting formula based on a least-squares method. The calculated values were compared to the existing experimental and calculated Stark width values.
In this work, the atomic structure of Ti III is calculated using two methods, the Thomas-Fermi–Dirac-Amaldi (TFDA) method using the AUTOSTRUCTURE (AS) atomic structure code and the pseudo-…
In this work we studied the Stark widths of Ar IV ion which are important for modelling atmosphere of some particular stars. Using semiclassical perturbation and modified semi-empirical approach,…
Using semiclassical perturbation approach in impact approximation, Stark shifts for singly charged argon (Ar II) spectral lines have been calculated. Energy levels and oscillator strengths needed…