Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...237l..51h&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 237, Apr. 15, 1980, p. L51-L53. NSF-supported research.
Astronomy and Astrophysics
Astrophysics
8
Gas Lasers, Isotope Separation, Molecular Excitation, Molecular Spectra, Zirconium Oxides, Absorption Spectra, Electric Dipoles, Emission Spectra, Energy Spectra, Fluorescence
Scientific paper
Intercombination fluorescence transitions have been observed between the B 3Pi and the X 1Sigma+ states of gaseous ZrO during laser excitation of the allowed B 3Pi-X' 3Delta transition. The observed fluorescing lines and their identifications are listed for excitation of the beta2 heads. The measurements yield a value of 1099.08 plus or minus 0.08/cm for the singlet-triplet separation for (Zr-90)(O-16), with X 1Sigma+ below X' 3Delta. Appropriate symmetries are also assigned to the lambda-doubled levels of the B 3Delta state, using electric dipole selection rules and the absence of certain branches in the fluorescent spectrum.
Davis Stanley Peter
Hammer Philip D.
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