Berlin 2014 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 19: Photoionization

A 19.5: Vortrag

Dienstag, 18. März 2014, 15:15–15:30, BEBEL E42

Partial Decay Rates of 1D eZe Helium — •Nicolai Heitz, Klaus Zimmermann, Felix Jörder, Alberto Rodriguez, and Andreas Buchleitner — Physikalisches Institut der Albert-Ludwigs-Universität, Hermann-Herder-Straße 3, D-79104 Freiburg

We study the photoionization process of doubly excited states of 1D helium in the eZe configuration, with full account of the Coulomb singularities as well as of the atomic continuum structure. In order to distinguish pronounced autoionization processes induced by the electron-electron interaction from bona fide photoionization, we implement a variant of complex dilation, which is capable of assessing partial decay channels.