Erlangen 2018 – wissenschaftliches Programm
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MO: Fachverband Molekülphysik
MO 23: Resonant Energy Transfer and Interatomic Coulombic Decay II
MO 23.1: Vortrag
Freitag, 9. März 2018, 10:30–10:45, PA 1.150
Intermolecular decay mechanisms in pure and doped helium nanodroplets — •Aaron LaForge1, Rupert Michiels1, Carlo Callegari2, Michele Di Fraia2, Marcel Drabbels3, Bruno Langbehn4, Marcel Mudrich5, Veronica Oliver3, Yevheniy Ovcharenko4, Oksana Plekan2, Kevin Prince2, Thomas Möller4, and Frank Stienkemeier1 — 1Universität Freiburg, GermanY — 2Elettra-Sincrotrone Trieste, Italy — 3EPFL Lausanne, Switzerland — 4TU Berlin Germany — 5Aarhus University, Denmark
As opposed to molecular systems where electron dynamics proceed only through intramolecular processes, weakly bound complexes create an environment in which locally excited electrons can additionally interact with neighboring molecules leading to new intermolecular decay mechanisms. Here, we present a systematic study of intermolecular decay mechanisms in pure and doped He nanodroplets using free electron laser radiation. When resonantly excited, the nanodroplets can either exchange energy with neighboring He atoms or through the acceptor dopants. By pump-probe techniques combined with photoelectron spectroscopy, we can fully characterize and energetically resolve the different decay paths.