Dresden 2011 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 26: Poster III

A 26.1: Poster

Donnerstag, 17. März 2011, 16:00–18:30, P2

A two-dimensional MOT as a cold atomic source for ion-atom collision studies — •Dominik Globig1, Renate Hubele1, Aaron C. LaForge1, Aditya Kelkar1,2, Katharina Schneider1,2, Martin Sell1, Xincheng Wang1,2, and Daniel Fischer11MPI für Kernphysik, Heidelberg, Germany — 2EMMI at GSI, Darmstadt, Germany

A new atomic beam source was designed and developed at the MPIK which uses optical pumping combined with a spatially-dependent magnetic field to produce a cold atomic beam for use in ion-atom collision studies at the TSR at MPIK. A ``push'' laser is used to transfer the pre-cooled atoms from this two-dimensional MOT to a three-dimensional one which is combined with a reaction microscope (MOT-REMI) capable of performing kinematically complete experiments with an energy resolution about ten times greater than that of a conventional reaction microscope. A 2D-MOT was chosen over other atomic target sources (e.g Zeeman slower) for its collimated beam which provides a higher density of atoms and for its compact design.

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