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Bulgarian Journal of Physics
Print: 1310-0157 Online: 1314-2666
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RECOGNIZED BY THE EUROPEAN PHYSICAL SOCIETY 
Bulg. J. Phys. vol.17 no.3 (1990), pp. 180-186
Determination of Nuclear Charge Radii Changes of Gd From Optical Isotope Shift
Yu.P. Gangrsky1, Hoang Thi Kim Hue1, B.K. Kuldjanov2, K.P. Marinova1, B.N. Markov1, Tran Cong Tam1, S.G. Zemlyanoi1
1Laboratory of Nuclear Reactions, JINR, Dubna, USSR
2Institute of Nuclear Physics, Tashkent, USSR
go back1Laboratory of Nuclear Reactions, JINR, Dubna, USSR
2Institute of Nuclear Physics, Tashkent, USSR
Abstract. High resolution laser-atomic beam spectroscopy has been applied to investigate the isotope shifts for 15 optical transitions starting from the ground 4f75d6s2 a9 D0J multiplet of GdI. The isotope shift measurements have been analyzed using various methods to exclude configuration interaction and crossed-second-order effects. Precise values of the changes in the charge rndii of Gd have been obtained and discussed.