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Konstanz 1998 – scientific programme

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MO: Molekülphysik

MO 10: Poster: Spektroskopie, Photodiss., Theorie

MO 10.10: Poster

Wednesday, March 18, 1998, 16:00–18:00, PF

Laser-induced fluorescence of the CsHg molecule — •R. Polly1, S. Dinev1, L. Windholz1, S. Milošević2, and B. A. Hess31Institut für Experimentalphysik, Technische Universität Graz, Petersgasse 16, A-8010 Graz, Austria — 2Institute of Physics, P.O.B. 304, HR-10000 Zagreb, Croatia — 3Institut für Physikalische und Theoretische Chemie, Universität Bonn, D-53115 Bonn, Germany

The laser-induced fluorescence observed from a Cs/Hg vapor mixture after excitation with several different laser wavelengths differs significantly from the fluorescence observed from pure Cs vapor. Additional to the fluorescence of the Cs atom and Cs2 molecule three distinct emissions at λ=492.8 nm, 498.3 nm and 521.5 nm appear. Applying ab inition potential curves [1] of CsHg this new features in the fluorescence of a Cs/Hg vapor mixture are identified as bound-free transitions in the CsHg molecule.

[1] R. Polly, D. Gruber, L. Windholz, M. M. Gleichmann, B. A. Hess, submitted to J. Chem. Phys.

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