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Inner-shell photofragmentation of Cl-2

  • W. C. Stolte
  • R. Guillemin
  • I. N. Demchenko
  • Gunnar Öhrwall
  • S-W Yu
  • J. A. Young
  • M. Taupin
  • O. Hemmers
  • M. N. Piancastelli
  • D. W. Lindle
Publiceringsår: 2010
Språk: Engelska
Publikation/Tidskrift/Serie: Journal of Physics B: Atomic, Molecular and Optical Physics
Volym: 43
Nummer: 15
Dokumenttyp: Artikel i tidskrift
Förlag: IOP Publishing


We report an extensive study on partial-ion-yield spectroscopy around the Cl 1s and 2p ionization thresholds for Cl-2. All positive ion channels, several with the same mass/charge ratio, which could be distinguished by taking the advantage of the Cl-37 isotope, have been measured at a photon resolution of nearly 6500. At the Cl 1s ionization threshold, no significant differences are reported between the absorption and the partial-ion yields. In contrast, near the 2p ionization thresholds, we detect large variations in the fragmentation patterns following excitations to the Rydberg series when comparing the atomic fragment ions to the molecular fragment ions. We attribute the different behaviours to the more-or-less diffuse nature of Rydberg states with different angular momenta.


  • Physical Sciences
  • Natural Sciences


  • ISSN: 0953-4075

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