Mainz 2017 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 20: Poster Session I
A 20.14: Poster
Dienstag, 7. März 2017, 17:00–19:00, P OG1
State selective probing of weakly bound molecular products after three-body recombination — •Joschka Wolf1, Artjom Krükow1, Amir Mohammadi1, Amir Mahdian1, Markus Deiss1, Johannes Hecker Denschlag1, and Eberhard Tiemann2 — 1Institut für Quantenmaterie, Universität Ulm, 89069 Ulm, Germany — 2Institut für Quantenoptik, Leibniz Universität Hannover, 30167 Hannover, Germany
Three-body recombination in an ultra-cold atomic cloud is a fundamental reaction process. Until now, it has mainly been studied as a particle loss phenomenon limiting the lifetime of dense atomic clouds and Bose-Einstein condensates. However, the underlying reaction channels and product states remained unexplored. In a recent experiment we were able to measure the population distribution of diatomic molecular reaction products for the regime of lowest binding energies and to extract absolute numbers for the fractions of molecules produced in the individual states. Our method allows us to determine the vibrational, rotational and partially also the hyperfine quantum numbers. In this poster we focus on the experimental technique and summarize the results.