Core level ionization dynamics in small molecules studied by x-ray-emission threshold-electron coincidence spectroscopy

Michele Alagia, Robert Richter, Stefano Stranges, Marcus Agåker, Magnus Ström, Johan Söderström, Conny Såthe, Raimund Feifel, Stacey Sorensen, Alberto De Fanis, Kiyoshi Ueda, Reinhold Fink, Jan Erik Rubensson

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Abstract

X-ray-emission threshold-electron coincidence spectroscopy has been applied to N 2, O 2, and N 2O. The main features of the spectra can be interpreted as conventional core level threshold electron spectra, free from postcollision interaction effects. The relative cross sections for adiabatic ionization of close-lying core hole states and vibrational substates are presented. The results are compared to theoretical predictions and state-of-the-art photoelectron spectra and are discussed in terms of direct threshold ionization and core vacancy rearrangement processes.

Original languageEnglish
Article number012506
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume71
Issue number1
DOIs
Publication statusPublished - 2005 Jan 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Alagia, M., Richter, R., Stranges, S., Agåker, M., Ström, M., Söderström, J., Såthe, C., Feifel, R., Sorensen, S., De Fanis, A., Ueda, K., Fink, R., & Rubensson, J. E. (2005). Core level ionization dynamics in small molecules studied by x-ray-emission threshold-electron coincidence spectroscopy. Physical Review A - Atomic, Molecular, and Optical Physics, 71(1), [012506]. https://doi.org/10.1103/PhysRevA.71.012506