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physics.atom-ph2021★ 21 cited
Resonance-enhanced multiphoton ionization in the x-ray regime
Aaron C. LaForge, Sang-Kil Son, Debadarshini Mishra +16
Here, we report on the nonlinear ionization of argon atoms in the short wavelength regime using ultraintense x rays from the European XFEL. After sequential multiphoton ionization,…
physics.atom-ph2021
Ghost-imaging-enhanced non-invasive spectral characterization of stochastic x-ray free-electron-laser pulses
Kai Li, Joakim Laksman, Tommaso Mazza +8
High-intensity ultrashort X-ray free-electron laser (XFEL) pulses are revolutionizing the study of fundamental nonlinear x-ray matter interactions and coupled electronic and nuclea…