Rostock 2019 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 34: Interaction with VUV and X-ray light

A 34.5: Poster

Donnerstag, 14. März 2019, 16:15–18:15, S Fobau Physik

Time-resolved coincidence measurements of interatomic Coulombic decays — •Sophie Walther, Anastasios Dimitriou, Markus Pfau, Mark J. Prandolini, Martin Ranke, and Ulrike Frühling — Universität Hamburg

Interatomic Coulombic Decay (ICD) is an efficient decay channel used by atoms in loosely bound van der Waals noble gas molecules and clusters. Here we present our experimental setup for the investigation of the ICD lifetime in neon dimers using the terahertz (THz)-streaking technique. The neon dimers are ionized with ultrashort extreme ultraviolet laser pulses and superimposed with intense THz fields. The momenta of all generated fragments are measured in coincidence using a Cold Target Recoil Ion Momentum Spectroscopy (COLTRIMS) detector.