Abstract
Using the “velocity bunching” effect occurring in beam direction of a fast ion beam the hyperfine structure of the Ba II transition 5d2D3/2→6p2P 2/03 has been investigated by means of a laser absorption experiment. From a mass separated137Ba+ beam we have obtained hyperfine dipole and quadrupole splitting factors A and B and from a not mass separated Ba+ beam isotope shift data as well as A and B values. The results are A(5d2D3/2) =5.696(24) mK, A(6p2P 2/03 )=3.759(27) mK, B(5d2D3/2)=1.01(4) mK, B(6p2P 2/03 ) =2.07(4) mK. Values for the isotope shifts are given.
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We would like to thank the Bundesminister für Forschung und Technologie for financial support. The experiments would not have been possible without the active interest of Prof. M. Elbel who generously lent us his pump-laser.
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Höhle, C., Hühnermann, H., Meier, T. et al. High resolution spectroscopy of the transition 5d2D3/2→6p2P 2/03 in a fast Ba+ ion beam. Z Physik A 284, 261–265 (1978). https://doi.org/10.1007/BF01406795
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DOI: https://doi.org/10.1007/BF01406795