Abstract
Isotope shift measurements were made on Cm242 and Cm244. Both samples had an isotopic purity of better than 90%. Measurements were made in the spectral region between 3050 and 5250 A. One hundred and eighty-three lines of curium were recorded, one hundred and forty-eight of which showed isotope shift. Both positive and negative shifts were found. The magnitude of the shift ranged up to 1.31 kaysers.
© 1956 Optical Society of America
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