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Electron Rearrangement Dynamics in Dissociating In+2 Molecules Accessed by Extreme Ultraviolet Pump-Probe Experiments

MPG-Autoren
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Schnorr,  Kirsten
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Senftleben,  Arne
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Kurka,  Moritz
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Schmid,  Georg
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Pfeifer,  Thomas
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Schröter,  C. D.
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Moshammer,  R.
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

Externe Ressourcen

http://dx.doi.org/10.1103/PhysRevLett.113.073001
(Verlagsversion)

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Zitation

Schnorr, K., Senftleben, A., Kurka, M., Rudenko, A., Schmid, G., Pfeifer, T., et al. (2014). Electron Rearrangement Dynamics in Dissociating In+2 Molecules Accessed by Extreme Ultraviolet Pump-Probe Experiments. Physical Review Letters, 113(7): 073001. doi:10.1103/PhysRevLett.113.073001.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0023-C2AB-E
Zusammenfassung
The charge rearrangement in dissociating In+2molecules is measured as a function of the internuclear distance R using extreme ultraviolet pulses delivered by the free-electron laser in Hamburg. Within an extreme ultraviolet pump-probe scheme, the first pulse initiates dissociation by multiply ionizing I2, and the delayed probe pulse further ionizes one of the two fragments at a given time, thus triggering charge rearrangement at a well-defined R. The electron transfer between the fragments is monitored by analyzing the delay-dependent ion kinetic energies and charge states. The experimental results are in very good agreement with predictions of the classical over-the-barrier model demonstrating its validity in a thus far unexplored quasimolecular regime relevant for free-electron laser, plasma, and chemistry applications