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Hamburg 2009 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 34: Poster II

A 34.26: Poster

Donnerstag, 5. März 2009, 16:30–19:00, VMP 9 Poster

High precision measurements on recoil ion momenta using MOTRIMS — •Simone Goetz1, Ina Blank1, Terry Mullins1, Wenzel Salzmann1, Matthias Weidemueller1, Brett DePaola2, Roland Wester3, Robert Moshammer4, Daniel Fischer4, Alexander Dorn4, Alexey Sokolov5, Wolfgang Quint5, Gabriel Hasan6, Reinhard Morgenstern6, and Ronnie Hoekstra61Physikalisches Institut, Universität Heidelberg — 2Kansas State University, Kansas, USA — 3Physikalisches Institut, Universität Freiburg — 4MPI für Kernphysik Heidelberg — 5GSI mbH Darmstadt — 6KVI, Atomic Physics

We present a versatile transportable experimental MOTRIMS setup consisting of a dark SPOT [1] for Rb atoms combined with a recoil ion momentum spectrometer (RIMS) [2]. Due to the low thermal spread of the target atoms, the recoil ion momentum can be measured with very high accuracy. We will study multiphoton ionization occuring during the interaction of the target atoms with ultrastrong laser pulses. At GSI, the same setup will be used for the investigation of correlation effects in multiple charge transfer processes in collisions between ultracold atoms and slow highly charged ions.

First experimental results, achieved at the MOTRIMS setup at the KVI Groningen, on the energy dependence of double electron transfer in collisions between laser-cooled Na and O6+ will be presented.

[1] C. Townsend et al., PRA 53, 1702 (1996)
J. Ullrich et al., J Phys. B 30, 2971 (1997)

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