Stark widths of several Pb III spectral lines in a laser-induced lead plasma

Details Stark widths of several Pb III spectral lines in a laser-induced lead plasma Stark widths of several Pb III spectral lines in a laser-induced lead plasma

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007a%26a...466..399a&link_type=abstract

Astronomy and Astrophysics, Volume 466, Issue 1, April IV 2007, pp.399-402

Astronomy and Astrophysics

Astrophysics

5

Stellar Dynamics, Plasmas, Line: Profiles

Scientific paper

Context: Data on Stark widths of spectral lines are relevant not only for atomic structure research, but also for astrophysics and analytical techniques of plasma diagnosis. Aims: Stark widths of ten doubly ionized lead spectral lines that belong to 7s-7p, 6d-7p and 6p2-7p transitions have been measured. Methods: We observe the emission lines from an optically thin laser induced plasma from a lead target in an argon atmosphere. The studied plasma has a temperature of about 25 200 K and an electron density of about 1017 cm-3. Local thermodynamic equilibrium conditions and plasma homogeneity have been checked. Special attention was paid to the possible selfabsorption of the different transitions. Results: We report ten new experimental values for Stark widths (FWHM) of Pb III lines.

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