Darmstadt 2008 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 27: Posters: Electron scattering and recombination

A 27.4: Poster

Donnerstag, 13. März 2008, 16:30–18:30, Poster C3

Photoionization of excited states in kinematically complete experiments — •Thomas Pflueger, Xueguang Ren, Arne Senftleben, Alexander Dorn, and Joachim Ullrich — Max-Planck-Institut für Kernphysik, Heidelberg, Germany

Reaction microscopes (RM) deliver kinematically complete information on atomic and molecular ionization processes. We want to extend this method to the investigation of excitation, e.g. by charged particle impact. By means of a laser pulse the excited states are photoionized and the released electron and the ion are detected. From the energies and angular distributions of these particles we gain detailed information on the primary collision process. Examples for electron impact excitation of atoms will be presented.