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Showing 1–2 of 2 results
Advanced filters: Author: Ralph Püttner Clear advanced filters
  • During photoionization, the recoil of the atom or molecule due to the ejected electron can subtly alter the observed photoelectron and Auger spectra from expectations. Here, the authors study Auger emission from isolated neon atoms and see a Doppler shift in the spectrum resulting from translation recoil.

    • Marc Simon
    • Ralph Püttner
    • Denis Céolin
    Research
    Nature Communications
    Volume: 5, P: 1-5
  • XFELs can drive multicore-ionization/excitation processes in the fs timescale of typical core-hole lifetimes in molecules. This paper reports experimental evidence of a single XFEL-pulse-driven resonant double-core excitation mechanism, producing a neutral two-site double-core-hole state in the nitrogen molecule.

    • Eetu Pelimanni
    • Adam E. A. Fouda
    • Gilles Doumy
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-9