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Characteristic X-Rays of Highly Charged Ions

The significance of X-ray energy shift data for highly charged ions is discussed. It is shown that relativistic self-consistent-field calculations lead to the same qualitative results for local and non-local electron exchange potentials. In addition to X-ray energy shift data for all ionization stages of selected elements, analogous data for the Kα1-, Kβ1- and Lα1-energy shifts for selected stages of ionization for all elements in the range Z ⩽ 70 are shown.