Laser induced fluorescence of the MgCa molecule

Using the radiation of several ion laser lines and of a tunable dye laser, the first gas phase spectra of the MgCa molecule have been obtained. The laser induced fluorescence spectra have been assigned to the A 1Σ+–X 1Σ+, B 1Π–X 1Σ+, and the C 1Σ+–X 1Σ+ systems. The quantum numbers of the levels bel...

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Bibliographic Details
Published in:The Journal of chemical physics 1985-04, Vol.82 (8), p.3491-3501
Main Authors: ATMANSPACHER, H, SCHEINGRABER, H, VIDAL, C. R
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Molecular properties and interactions with photons
Physics
Properties of molecules and molecular ions
Rotation, vibration and vibration-rotation constants
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Summary:Using the radiation of several ion laser lines and of a tunable dye laser, the first gas phase spectra of the MgCa molecule have been obtained. The laser induced fluorescence spectra have been assigned to the A 1Σ+–X 1Σ+, B 1Π–X 1Σ+, and the C 1Σ+–X 1Σ+ systems. The quantum numbers of the levels belonging to the X 1Σ+ ground state were determined using a quantum mechanical, variational method. The vibrational quantum numbers of the excited levels and the assignment to the different electronic states were obtained from a comparison of the measured and calculated Franck–Condon factors which are in very good agreement.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.448929