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Article
Photofragmentation of cyanogen upon carbon and nitrogen K-shell excitation by partial ion yield experiments
Journal of Physics B: Atomic, Molecular and Optical Physics
  • Gunnar Ohrwall, MAX-lab, Lund University
  • Wayne C. Stolte, University of Nevada, Las Vegas
  • Renaud Guillemin, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement
  • Maria Novella Piancastelli, Uppsala University
  • Dennis W. Lindle, University of Nevada, Las Vegas
Document Type
Article
Publication Date
4-1-2010
Abstract

Partial ion yield spectroscopy was used to study fragmentation processes in cyanogen after C 1s and N 1s photoexcitation. The interpretation of the core excitation spectrum mostly follows the literature, but the high resolution has in some cases allowed a more detailed assignment. Using the fact that in Rydberg states there is an intensity increase as the fragmentation process becomes more extensive compared to valence orbitals, we have been able to distinguish resonances with valence and Rydberg character. Furthermore, we have been able to assign features in the ionization continuum as arising from double excitations or shape resonances, by observation of the suppression of anion yield at shape resonances.

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Citation Information
Gunnar Ohrwall, Wayne C. Stolte, Renaud Guillemin, Maria Novella Piancastelli, et al.. "Photofragmentation of cyanogen upon carbon and nitrogen K-shell excitation by partial ion yield experiments" Journal of Physics B: Atomic, Molecular and Optical Physics Vol. 43 Iss. 095201 (2010) p. 1 - 8
Available at: http://works.bepress.com/wayne_stolte/47/