a Department of Physics, Jilin University, Changchun 130023, China; b Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022, China
Abstract The hyperfine structures and isotope shifts in some excited states of Yb and Tm have been measured using laser-atomic beam interaction, stepwise excitation and fluorescence detection techniques. From the experimental results, magnetic dipole hyperfine constants A and electric quadrupole hyperfine constants B have been derived. So for as we know, the A factor of [4f125d6s6p]9/2 level in Tm is given for the first time.
Received: 18 March 1992
Accepted manuscript online:
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