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SAMOP 2021 – scientific programme

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A: Fachverband Atomphysik

A 10: Interaction with VUV and X-ray light

A 10.4: Poster

Tuesday, September 21, 2021, 16:30–18:30, P

Inner-shell-ionization-induced femtosecond structural dynamics of water molecules imaged at an x-ray free-electron laser — •Ludger Inhester1, Till Jahnke2, Renaud Guillemin3, and Maria Novella Piancastelli3,41Center for Free-Electron Laser Science, DESY, Hamburg, Germany — 2European XFEL GmbH, Schenefeld, Germany — 3Sorbonne Université, CNRS, LCPMR, Paris, France — 4Uppsala University, Uppsala, Sweden

Further co-authors are given on the poster
We have exposed isolated water molecules to short x-ray pulses from a free-electron laser and detected momenta of all produced ions in coincidence. By combining experimental results and theoretical modeling, we can image the dissociation dynamics of water after core-shell ionization and subsequent Auger decay in unprecedented detail and uncover fundamental dynamical patterns relevant for the radiation damage in aqueous environments.

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