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

X-ray-emission threshold-electron coincidence spectroscopy has been applied to N{sub 2}, O{sub 2}, and N{sub 2}O. 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 ad...

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Bibliographic Details
Published in:	Physical review. A, Atomic, molecular, and optical physics Vol. 71; no. 1; p. 012506
Main Authors:	Alagia, Michele, Richter, Robert, Stranges, Stefano, Agåker, Marcus, Ström, Magnus, Söderström, Johan, Såthe, Conny, Feifel, Raimund, Sorensen, Stacey, De Fanis, Alberto, Ueda, Kiyoshi, Fink, Reinhold, Rubensson, Jan-Erik
Format:	Journal Article
Language:	English
Published:	United States 01-01-2005
Subjects:	Atom and Molecular Physics and Optics Atom- och molekylfysik och optik ATOMIC AND MOLECULAR PHYSICS COINCIDENCE SPECTROMETRY CROSS SECTIONS ELECTRON SPECTRA ELECTRONS Fysik HOLES IONIZATION MOLECULES Natural Sciences Naturvetenskap NITROGEN NITROUS OXIDE OXYGEN PHOTOELECTRON SPECTROSCOPY PHOTON EMISSION Physical Sciences VACANCIES X RADIATION
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Summary:	X-ray-emission threshold-electron coincidence spectroscopy has been applied to N{sub 2}, O{sub 2}, and N{sub 2}O. 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.
ISSN:	1050-2947 1094-1622
DOI:	10.1103/PhysRevA.71.012506