Berlin 2014 – scientific programme
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A: Fachverband Atomphysik
A 3: Interaction with strong or short laser pulses I
A 3.6: Talk
Monday, March 17, 2014, 11:45–12:00, BEBEL E44/46
Real-time tracking of two-electron dynamics in the ionization continuum of Xe — •Mursal Baggash and Horst Rottke — Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie, Max-Born-Straße 2 A, 12489 Berlin, Germany
We present real-time tracking of atomic 2-electron coherent dynamics in excited autoionizing wavepackets in Xenon using a pump-probe detection scheme. An extreme-ultraviolet (xuv) radiation pulse coherently excites different Fano-resonances simultaneously. The excited resonances are of the type of a single inner-valence-shell and a double valence-shell excitation. The lunched wavepackets’ evolution in time is probed with a delayed infrared (ir) laser pulse which further excites one of the electrons to the (5s)2(5p)4 nl є l′ ionization continuum where it is detected. We are able to track the oscillatory beating of the formed wavepackets that is imprinted on their decay through autoionization.