Dresden 2011 – wissenschaftliches Programm
A 26.17: Poster
Donnerstag, 17. März 2011, 16:00–18:30, P2
Electron angular correlations in the sequential two-photon double ionization of noble gases — E.V. Gryzlova1, A.N. Grum-Grzhimailo1, •S. Fritzsche2,3, and N.M. Kabachnik1,4 — 1Institute of Nuclear Physics, Moscow State University, Russia — 2Department of Physics, University of Oulu, Finland — 3GSI Helmholtzzentrum für Schwerionenforschung, Germany — 4I. Institut für Theoretische Physik, Universität Hamburg, Germany
The study of non-linear atomic processes in the XUV and x-ray regime has attracted much interest following the recent developments of intense FEL sources. Among these processes, the two-photon double ionization (TPDI) of noble gases enables one to better understand the transition from a ‘sequential’ towards the ‘simultaneous’ emission of electrons [1,2]. For the TPDI emission of atoms, general expression for the angular correlation function has been derived and analyzed for suitable geometries in the experimental set-up of possible angle-differential measurements. Numerical calculations have been performed especially for the sequential TPDI of krypton  and xenon and will be presented in this contribution.
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