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Erlangen 2018 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 18: Clusters IV (joint session MO/A)

MO 18.3: Vortrag

Donnerstag, 8. März 2018, 11:15–11:30, PA 2.150

Magnetic-quantum-state-selected metastable helium atoms for Penning reaction studies — •Simon Hofsäss, Jonas Grzesiak, Frank Stienkemeier, and Katrin Dulitz — University of Freiburg

Our experiments are aimed at studying the influence of electron-spin polarization on the Penning reaction rate between supersonically expanded metastable helium atoms and ultracold lithium atoms confined in a magneto-optical trap (MOT). In our experiments, we plan to selectively focus the He(23S1, MJ = 1) state into the stationary MOT target using magnetic hexapoles in a Halbach configuration. We present first experimental results which clearly show that a beam of metastable helium atoms can be steered using magnetic hexapole focusing, and we compare these results to the outcome of particle trajectory simulations.

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