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MO: Fachverband Molekülphysik
MO 17: Elektronische Spektroskopie
MO 17.1: Poster
Tuesday, March 11, 2008, 14:00–19:00, Poster C1
High resolution Fourier transform spectroscopy on LiRb — •Alexander Stein1, Asen Pashov2, Milena Ivanova2, Horst Knöckel1, and Eberhard Tiemann1 — 1Leibniz Universität Hannover, Welfengarten 1, 30167 Hannover — 2Department of Physics, Sofia University, 5 J. Bourchier blvd., 1164 Sofia, Bulgaria
The LiRb molecule is one of the few heteronuclear alkali metal molecules (along with those containing one Fr atom), for which accurate spectroscopic information is still missing. On the other hand it is one of the most polar among the alkali molecules and is surely of interest in experiments with mixtures of cold atoms (e.g. D. DeMille, Phys. Rev. Lett. 88, 067901 (2002)). We report the first high resolution observation of laser-induced fluorescense in the LiRb molecule. Abundant experimental information is collected with a typical resolution of 0.03 cm−1 applying a Fourier-transform spectrometer. The present status of the analysis and preliminary potentials for the X1Σ+ ground state and the two lowest 1Π states are presented.