Hannover 2013 – scientific programme

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MO: Fachverband Molekülphysik

MO 16: Cold Molecules II

MO 16.4: Talk

Wednesday, March 20, 2013, 11:45–12:00, F 107

High resolution spectroscopy of excited Rb₂ molecules — •Björn Drews, Markus Deiss, and Johannes Hecker Denschlag — Universität Ulm, Institut für Quantenmaterie, Albert-Einstein-Allee 45, D-89081 Ulm

A detailed understanding of the molecular level structure is essential to prepare and interpret cold collision experiments of ultracold molecules and atoms. We have performed laser spectroscopy on ultracold Rb₂ Feshbach molecules to obtain precision data with a typical resolution of a few MHz. Besides an improved understanding of the first excited triplet state (1)³Σ_g⁺ in terms of rotational, hyperfine and Zeeman structure we also have investigated levels of the A¹Σ_u and the (1)³Π_u states.