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Stuttgart 2012 – scientific programme

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A: Fachverband Atomphysik

A 27: Poster: Photoionization

A 27.5: Poster

Wednesday, March 14, 2012, 16:30–19:00, Poster.V

Long-lived states and decay of Helium in the one and two dimensional configuration — •Klaus Zimmermann1, Vera Neimanns1, Felix Jörder1, Alberto Rodriguez1, Pierre Lugan2, and Andreas Buchleitner11Physikalisches Institut, Albert-Ludwigs-Universität, Freiburg — 2École Polytechnique Fédérale de Lausanne, Lausanne, Schweiz

Helium is a prototypical model for complex decaying systems. While being the simplest system beyond Hydrogen it exhibits intriguing features due to the electron electron interaction that leads to multiple decay channels. We present studies on the driven and undriven one dimensional Zee configuration that provide insight into its (auto-)fragmentation with resolution of distinct channels. Furthermore we show the planar configuration with non-vanishing angular momentum, focusing on surprisingly stable states. This gives rise to a comparative study of the corresponding classical Helium model.

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