Beam-laser lifetime measurements for four resonance levels of Yb II
- 28 October 1993
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics
- Vol. 26 (20) , L701-L704
- https://doi.org/10.1088/0953-4075/26/20/003
Abstract
Laser excitation of a fast beam of Yb+ ions has been used to determine the lifetimes of the Yb II levels at 27062 cm-1 (8.10+or-0.13 ns), 33654 cm-1 (37.7+or-0.5 ns), 34575 cm-1 (28.6+or-0.4 ns) and 44941 cm-1 (20.3+or-0.3 ns). These results are compared with previous measurements and with the extensive calculation of Fawcett and Wilson (1991), with whom fair agreement is found for the level at 27062 cm-1 but marked disagreement is found for the other three levels.Keywords
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