Hannover 2010 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 26: Electron Scattering and Recombination / Interaction of Matter with Ions (with MO)

A 26.6: Vortrag

Freitag, 12. März 2010, 12:15–12:30, B 302

Measuring recoil ion momenta with high precision — •Simone Götz1, Christoph S. Hofmann1, Terry Mullins2, Matthias Weidemüller1, Alexey Sokolov3, Wolfgang Quint2, and Thomas Amthor11Universität Heidelberg, Philosophenweg 12, 69210 Heidelberg — 2Universität Freiburg, Hermann-Herder Str. 3, 79104 Freiburg — 3GSI Helholtzzentrum für Schwerionenforschung GmbH, Darmstadt

We present a transportable setup combining a dark SPOT (spontaneous optical trap) for Rubidium atoms with a recoil ion momentum spectrometer [1]. The very low thermal spread of the atoms in the trap, allows to measure the atom recoil momenta after interaction with photons or highly charged ions with very high precision. In collaboration with the GSI in Darmstadt we will investigate correlation effects in multiple charge transfer between the Rubidium atoms and highly charged ions.
In addition to the recoil ion momentum spectrometer with high resolution we discuss several other improvements of our setup, including enhanced optical access and a new mechanism for efficient loading of the magneto-optical trap with high flux.
[1] J. Ullrich et al., J Phys. B 30, 2971 (1997)

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