Chirped auger electron emission due to field-assisted post-collision interaction

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Date
2013
Volume
41
Issue
Journal
EPJ Web of Conferences
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Publisher
Les Ulis : EDP Sciences
Abstract

We have investigated the Auger decay in the temporal domain by applying a terahertz streaking light field. Xenon and krypton atoms were studied by implementing the free-electron laser in Hamburg (FLASH) as well as a source of high-order harmonic radiation combined with terahertz pulses from an optical rectification source. The observed linewidth asymmetries in the streaked spectra suggest a chirped Auger electron emission which is understood in terms of field-assisted post-collision interaction. The experimentally obtained results agree well with model calculations.

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CC BY-NC 2.0 Unported