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Argonne National Laboratory

Research Highlights

Argonne’s newest emerging research

The following pages provide brief overviews of some of Argonne’s current research projects.

Research Highlight

Emergence of pseudo-resonances at XFELs

In a study published in Physical Review A, researchers observed a surprising pseudo-resonance in neon gas using RIXS, revealing a new mechanism that can cause spurious signals in x-ray emission spectra during advanced chemical analysis.
December 01, 2025
Emergence of pseudo-resonances at XFELs preview image