Elsevier, Computer Physics Communications, 9(184), p. 2187-2196, 2013
DOI: 10.1016/j.cpc.2013.02.015
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An atomic spectral line is characteristic of the element producing the spectrum. The line also depends on the isotope. The program ris3 (Relativistic Isotope Shift) calculates the electron density at the origin and the normal and speci c mass shift parameters. Combining these electronic quantities with available nuclear data, isotope-dependent energy level shifts are determined