Düsseldorf 2007 – scientific programme

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MO: Fachverband Molekülphysik

MO 22: Cold Molecules I (gemeinsam mit Q)

MO 22.8: Talk

Tuesday, March 20, 2007, 12:30–12:45, 6B

Beams of slow and heavy molecules for interferometry — •András Major, Hendrik Ulbricht, Sarayut Deachapunya, and Markus Arndt — Fakultät für Physik, Universität Wien, Boltzmanngasse 5, A-1090 Wien

We show experimentally that an effusive source can create a slow beam of large molecules. Owing to the very slow speeds achieved with these molecules, whose molecular weights are comparable to that of insulin, this source promises exciting new possibilities in interferometry as well as the cooling and trapping of these molecules. This report also presents a theoretical evaluation of the results with the emphasis on supersonic expansion of the beam.