Spectroscopy of Thorium Monoxide, ThO; E(O+),F(O+),-X 1Σ+ Bands

Details Spectroscopy of Thorium Monoxide, ThO; E(O+),F(O+),-X 1Σ+ Bands Spectroscopy of Thorium Monoxide, ThO; E(O+),F(O+),-X 1Σ+ Bands

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..confera03w&link_type=abstract

"International Symposium On Molecular Spectroscopy, 66th Meeting, Held 20-24 June, 2011 at Ohio State University. http://molspec

Physics

Mini-Symposium: Fundamental Physics

Scientific paper

Thorium monoxide, ThO, has recently attracted interest as a possible venue for the determination of the electric dipole moment of the electron, DE. Here we report on the results of an optical Stark study of the E(O+)-X1Σ+(1,0) band and the field-free study of the F(O+)-X1Σ+(0,0) band. A supersonic molecular beam of ThO was generated using a laser ablation technique and probed using laser excitation spectroscopy. The determined values for the permanent electric dipole moments, μEl, for the E(O+)(v=1) and X1Σ+(v=0) vibronic states were determined to be 3.534±0.010 D and 2.782±0.012 D, respectively. The dispersed laser induced fluorescence resulting from the excitation of the E(O+)-X1Σ+(1,0) and F(O+)-X1Σ+(0,0) bands have been recorded and the results are compared to Franck-Condon predictions. The radiative lifetimes for the E(O+)-X1Σ+(1,0) band F(O+)-X1Σ+(0,0) bands were determined.
A. C. Vutha, W. C. Campbell, Y. V. Gurevich, N. R. Hutzler, M. Parsons, D. Patterson, E. Petrik, B. Spaun, J. M. Doyle, G. Gabrielse, and D. DeMille, J. Phys. B: At., Mol. Opt. Phys., 43, 074007/1 2010.
G. Edvinsson and A. Lagerqvist, Physica Scripta, 32, 602, 1985.
F. Wang, T. C. Steimle and M.C. Heaven, J. Chem. Phys.,{134

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