Physics
Scientific paper
Jun 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..confemf09f&link_type=abstract
"International Symposium On Molecular Spectroscopy, 66th Meeting, Held 20-24 June, 2011 at Ohio State University. http://molspec
Physics
Electronic
Scientific paper
Transitions of the tilde{A}2Π- tilde{X}2Σ+ band system of barium monohydroxide, BaOH, were observed and recorded from 11483-11485 Cm-1 and 12041-12044 Cm-1. The features were readily identified using the results of the Doppler-limited measurements. The laser induced fluorescence (LIF) spectrum was analyzed to give optimized field-free excited state parameters. The parameters for the tilde{X}2Σ+ state were constrained to the previously determined values. The permanent electric dipole moments for the tilde{X}2Σ+ and tilde{A}2Π states have been determined from the analysis of the optical Stark spectra for the R21(0.5), Q21(1.5), and R2(0.5) lines. The obtained values were μ(tilde{X}2Σ+)= 1.426(38)D and μ(tilde{A}2Π)= 0.477(7) D. The results are compared with predicted values from semi-empirical models and those for CaOH and SrOH.
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Frey Sarah E.
Steimle Timothy C.
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