Determination of hyperfine structures and Rydberg convergence limits of selected optical transitions in 93Nb using resonance ionization spectroscopy |
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| Authors: | H M Lauranto I H Auterinen T T Kajava K M Nyholm R R E Salomaa |
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| Institution: | (1) Department of Technical Physics, Helsinki University of Technology, SF-02150 Espoo, Finland;(2) Reactor Laboratory, Technical Research Centre of Finland, SF-02150 Espoo, Finland |
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| Abstract: | Several two- and three-step schemes for resonance ionization of 93Nb with field ionization of Rydberg levels were investigated in the context of feasibility studies of using 93m
Nb/93Nb isomer ratio determination for fast neutron dosimetry. Hyperfine structures of the states 4d
4(a
5
D)5p
4
D
1
2/0
, 4d
35s(a
5
P)5P
6
D
1
2/0
, 4d
35s(a
5
F)5p
6
F
1
2/0
, and 4d
35s(a
5
F)6s
6
F
1/2 of 93Nb were measured. The Rydberg spectra of the excitation schemes were measured and corresponding ionization limits estimated. |
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| Keywords: | 35 10F 35 10H 35 80 |
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