Regularities and systematic trends in the Stark broadening and shift parameters of spectral lines in plasma

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Abstract
This paper deals with recent advances in search for possible types of regularities and systematic trends in the Stark broadening and shift parameters. The emphasis is (i) on the Stark parameters’ dependence on the ionization potential from the upper level of a corresponding transition (which, after being established, is used for the theoretical prediction of these parameters for the spectral lines where not available) and (ii) on the experimental determination of the Stark line broadening and shift parameters of group-IV and -V homologous singly charged ions. The data set obtained in such a way, together with existing experimental and theoretical data, are used to demonstrate the existence of several other types of common regularities in the Stark widths and shifts of the lines originating from the same type of transition of neutral atoms and singly charged ions of the elements along the periodic system.