Abstract
Two lines in the arc spectrum of platinum have been studied by high resolution interferometry, and results have been obtained for the isotope shifts in both lines. No evidence is found for large specific mass effects and, after allowance for normal mass effects, the results for the two lines give the following relative field isotope shifts: 192-194: 194-196: 196-198 = 0.895 ± 0.009: 0.919 ± 0.004:1 and 194-195: 194-196 = 0.458 ± 0.003; these values are compared with the relative isotope shifts in mercury and thallium. Differences in the mean square radius of the proton distribution for the platinum isotopes are calculated from the field isotope shifts. The contribution of changes in nuclear deformation to the shifts is discussed.
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Schedule a callMore From: Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences
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