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Articles by Max Kircher
Tracking the Complex Dynamics of Electron-Transfer-Mediated Decay in Real Space and Time
Journal of the American Chemical Society Cite this: J. Am. Chem. Soc. 2026, XXXX, XXX Click to copy citationCitation copied! . This publication is licensed under CC-BY 4.0 . You are free to share (copy and redistribute) this article in any medium or format and to adapt (remix, transform, and build upon) the material for any purpose, even commercially within the parameters below: Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator.
Tracking the Complex Dynamics of Electron-Transfer-Mediated Decay in Real Space and Time
I. Introduction Click to copy section linkSection link copied! In the late 20th century, Cederbaum et al. found that in loosely bound matter efficient nonlocal electronic decay processes can occur. In their work, they identified a general mechanism in which the energy freed by the electronic de-excitation of one molecule of a weakly bound cluster is transferred to a neighboring molecule, triggering its ionization. They termed this process interatomic Coulombic decay (ICD).
Interatomic Coulombic decay in small helium clusters
Interatomic Coulombic decay in small helium clusters Interatomic Coulombic decay (ICD) is an ultrafast non-radiative electronic decay process wherein an excited atom transfers its excess energy to a neighboring species leading to the ionization of the latter. In helium clusters, ICD can take place, for example, after simultaneous ionization and excitation of one helium atom within the cluster. After ICD, two helium ions are created and the system undergoes a Coulomb explosion.
Observation of Photoion Backward Emission in Photoionization of He and ${\mathrm{N}}_{2}$
Abstract We experimentally investigate the effects of the linear photon momentum on the momentum distributions of photoions and photoelectrons generated in one-photon ionization in an energy range of 300eV≤Eγ≤40keV. Our results show that for each ionization event the photon momentum is imparted onto the photoion, which is essentially the system’s center of mass.
Kinematically complete experimental study of Compton scattering at helium atoms near the threshold
Abstract Compton scattering is one of the fundamental interaction processes of light with matter. When discovered1, it was described as a billiard-type collision of a photon ‘kicking’ a quasi-free electron. With decreasing photon energy, the maximum possible momentum transfer becomes so small that the corresponding energy falls below the binding energy of the electron. In this regime, ionization by Compton scattering becomes an intriguing quantum phenomenon.
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