Beam-laser lifetime measurements for low-lying quartet states in Fe II

Details Beam-laser lifetime measurements for low-lying quartet states in Fe II Beam-laser lifetime measurements for low-lying quartet states in Fe II

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrva..46..641g&link_type=abstract

Physical Review A (ISSN 1050-2947), vol. 46, no. 1, July 1, 1992, p. 641-644. Research supported by NSERC.

Physics

44

Fine Structure, Iron, Laser Beams, Solar Spectra, Atomic Energy Levels, Dye Lasers, Laser Induced Fluorescence, Laser Outputs, Metallicity

Scientific paper

Laser-induced fluorescence (LIF) of a beam of fast Fe(+) ions from a 350-kV accelerator was used to measure radiative lifetimes for seven levels of the z 4P0, 4D0, and 4F0 terms of Fe II, in order to establish the empirical correction to the data calculated by Kurucz (1988) and to investigate the possible energy dependence suggested by the sextet results of Biemont et al. (1991). It was found that the ratio of the measured lifetime to that calculated from Kurucz's gf values increases systematically with the energy of the levels involved.

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