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Updated: Aug 23, 2026

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers
Published on: October 23, 2018
Fully differential rates for femtosecond multiphoton double ionization of neon
M Weckenbrock1, D Zeidler, A Staudte
1Institut für Kernphysik, Universität Frankfurt, D-60486 Frankfurt, Germany.
Abstract:
We have investigated the full three-dimensional momentum correlation between the electrons emitted from strong field double ionization of neon when the recollision energy of the first electron is on the order of the ionization potential. The momentum correlation in the direction perpendicular to the laser field depends on the time difference of the two electrons leaving the ion. Our results are consistent with double ionization proceeding through transient double excited states that field ionize.
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