Shifts of the 4snd1,3DJ Levels of the Naturally Abundant, Even Ca Isotopes

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Published under licence by IOP Publishing Ltd
, , Citation K-H Weber et al 1986 Phys. Scr. 34 14 DOI 10.1088/0031-8949/34/1/003

1402-4896/34/1/14

Abstract

The level isotope shifts of the 4snd1,3DJ have been measured in the singlet-triplet mixing region around n = 15 applying the resonant Doppler-free 2-photon laser spectroscopy and the thermionic diode as a detector. From the isotope shift as well as from the intensities of the lines the singlet-triplet mixing was found to be larger than previously determined from fine structure measurements and the study of the hyperfine structure in the odd isotope 43Ca.

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10.1088/0031-8949/34/1/003