Lifetimes, branching ratios, and transition probabilities in Co II

Details Lifetimes, branching ratios, and transition probabilities in Co II Lifetimes, branching ratios, and transition probabilities in Co II

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phrva..31..744s&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 31, Feb. 1985, p. 744-749.

Physics

22

Branching (Physics), Cobalt, Molecular Spectra, Oscillator Strengths, Radiative Lifetime, Transition Probabilities, Line Spectra, Solar Spectra

Scientific paper

The radiative lifetime of 14 levels in the z5F, z5D, and z5G terms of Co II have been measured with use of time-resolved laser fluorescence spectroscopy with a Co(+) ion beam. The lifetime values obtained are shorter by 15-50 percent than those from beam-foil time-of-flight measurements. The lifetimes were converted to 41 individual transition probabilities with use of branching ratios measured on spectra recorded with the 1-m Fourier-transform spectometer at the Kitt Peak National Observatory. On average these transition probabilities agree with those of Kurucz and Peytremann (1975); for Delta(S) = 1 transitions their calculated values are lower than the present experimental results by a factor of about 0.25.

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