Lifetimes and oscillator strengths of the 3s(2)nd (2)D series in neutral aluminum

Details Lifetimes and oscillator strengths of the 3s(2)nd (2)D series in neutral aluminum Lifetimes and oscillator strengths of the 3s(2)nd (2)D series in neutral aluminum

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...238..452d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 238, no. 1-2, Nov. 1990, p. 452-454.

Astronomy and Astrophysics

Astrophysics

7

Aluminum, Atomic Energy Levels, Oscillator Strengths, Radiative Lifetime, Abundance, Fine Structure, Laser Induced Fluorescence, Solar Spectra

Scientific paper

A large number of spectral lines are present in the solar spectrum and aluminum is an important element in it. Natural lifetimes and oscillator strengths of the 3s(2)nd (2)D series in neutral aluminum are studied for n values between 4 and 14. In the experimental arrangement, the atoms of an atomic beam are excited by a pulsed dye laser and the fluorescence light from the excited atoms is detected using a fast photomultiplier and recorded by a fast multichannel computer system. Each measurement is averaged over 200 laser pulses in order to achieve a reasonable signal-to-noise ratio. The data given here could be used to improve the interpretation of abundances in stars and the sun.

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