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Laser-induced fluorescence of BaCl. The B 2Σ+ -X 2Σ+ electronic system

✍ Scribed by M. Hafid; C. Amiot; J. Vergès

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
365 KB
Volume
210
Category
Article
ISSN
0009-2614

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✦ Synopsis

The 799.3 nm Kr+-ion laser radiation and several lines of a monomode titanium:sapphire laser (767 to 846 nm) have been used to excite the near-infrared B 'I.+ +X *Z+ fluorescence of the BaCl molecule. Spectra have been recorded using a high-resolution Fourier transform spectrometer. Molecular constants are derived for the B 'C+ state levels ranging from 0 to I5 and for the ground electronic state from 0 to 20. The observation of Q-type lines in this 22-22 transition shows that there is a substantial fJ mixing of the B %+ electronic state.

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