High Resolution Laser Spectroscopy of the $A \Sigma^{+} - X \Sigma^{+}$ Electronic Transition of BaS
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Date
1993
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Ohio State University
Abstract
The spectrum of BaS was recorded by laser excitation spectroscopy with a single-mode ring dye laser operated in the region of 6200-6500 {\AA}. BaS was produced by reacting Ba metal with CS, in a Broida oven and the laser induced fluorescence was detected with a photomultiplier tube mounted on the oven chamber. Over 15 new vibronic bands were discovered at low resolution and a high resolution analysis of several of these bands will be presented. A few of these bands show evidence of perturbations by other low lying electronic states.
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Author Institution: Center for Molecular, Beams and Laser Chemistry., University of Waterloo