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Hyperfine structure and isotope shifts in 461.9 nm forbidden line of Pb I

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Author(s): Tomasz J. WASOWICZ | Ryszard DROZDOWSKI | Jerzy KWELA

Journal: Optica Applicata
ISSN 0078-5466

Volume: 36;
Issue: 4;
Start page: 529;
Date: 2006;
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Keywords: hyperfine structure | isotope shift | forbidden lines | lead

ABSTRACT
Studies of the hyperfine structure and the isotope shifts in the 461.9 nm (1S0–3P1) magnetic-dipole line of Pb I are presented. As a light source the electrodeless discharge tube was used. The high resolution spectral apparatus consisted of a silver coated Fabry–Perot etalon and a grating spectrograph combined with a CCD camera used as a detector. In the analysis of the spectra a computer simulation technique was used. The experiments with the isotope 207Pb yielded the hyperfine structure splitting constant A for the 3P1 level of the 6s26p2 ground configuration. In the experiment with natural lead the isotope shifts between four stable isotopes (204, 206, 207, 208) were measured.

Tango Jona
Tangokurs Rapperswil-Jona

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