Transition probability of the AL II 2669 intersystem line

Details Transition probability of the AL II 2669 intersystem line Transition probability of the AL II 2669 intersystem line

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...308.1013j&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 308, Sept. 15, 1986, p. 1013-1017. Research supported by the Smithsonian In

Mathematics

Probability

39

Aluminum, Atomic Collisions, Cosmic Plasma, Line Spectra, Transition Probabilities, Ultraviolet Spectra, Electron Density (Concentration), Electron Energy

Scientific paper

The transition probability of the 3s2 1S0-3s3p 3p10 line in Al+ has been measured by time-resolved observation of the spin-changing (intersystem) emission at 2669.157 Å using an ion storage technique. A laser-produced plasma was used as the source of the metastable Al+ ions. The A-value for the intersystem transition is (3.33±0.23)×103s-1 at the 90% confidence level. This result is used to derive two line intensity ratios involving the intersystem line as a function of electron density and temperature.

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