Abstract
The isotope shift in molybdenum has been studied in 16 lines of the arc and 6 lines of the spark spectrum for all stable isotopes by means of a photoelectric recording Fabry-Perot spectrometer with digital data processing. Mass shift and field shift were separated by two independent methods and were compared with the results of Hartree-Fock calculations. In the field shift large crossed-second-order effects ind 5 s 7 S and5 S were observed, which could be explained quantitatively by theory. The changes in mean square nuclear charge radii were evaluated from three 5s-5p transitions between different multiplets. The relativeδ〈r 2 〉 values are: [92, 94] 1; [94, 96] 0.854(3); [96, 98] 0.665(4); [98, 100] 1.003(5); [95, 97] 0.703(5);. [94, 95] 0.270(4); [96, 97] 0.119(5). The absolute values can be obtained withδ〈r 2 〉 92, 94=0.226(19)fm2.
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Aufmuth, P., Clieves, H.P., Heilig, K. et al. Isotope shift in molybdenum. Z Physik A 285, 357–364 (1978). https://doi.org/10.1007/BF01813235
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DOI: https://doi.org/10.1007/BF01813235