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MO: Fachverband Molekülphysik

MO 16: Atomic Clusters (joint session A/MO)

MO 16.7: Vortrag

Donnerstag, 9. März 2023, 12:45–13:00, F107

Electron-photon-coincidence investigations on neighbor in-duced photoelectron recapture in argon clusters — •Nils Kiefer, Carolin Honisch, Catmarna Küstner-Wetekam, Niklas Golchert, Arno Ehresmann, and Andreas Hans — 1Institute of Physics, University of Kassel, Kassel, Germany

Noble gas clusters are an ideal prototype system for fundamental research on atomic and molecular processes. The Van-der-Waals-bound atoms create an environment, which enables further decay pathways and scattering effects. These have been studied already with high resolution electron spectroscopy and multi-electron-coincidence spectroscopy. With use of a state-of-the-art experimental set-up, which allows coincident electron and photon detection, radiative and electronic processes after excitation of clusters with synchrotron radiation can be directly observed. Here, we present the results of electron-photon-coincidence measurements of a recent experiment on argon clusters. Here a slow photoelectron after 2p ionization is expected to be scattered on neighboring atoms in a "Bremsstrahlung"-like process. Thus, the scatted electron can be recaptured to the Ion and further decay in a resonant Auger-like process.

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