Skip to main content
Post-collision interactions in the Auger decay of the Ar L-shell
Physical Review A
  • James A.R. Samson, Behlen Laboratory of Physics
  • Wayne C. Stolte, University of Nevada, Las Vegas
  • Z. X. He, IBM, Inc.
  • J. N. Cutler, Wright Patterson AFB
  • D. Hansen, University of Nevada, Las Vegas
Document Type
Publication Date
The photoionization cross sections for Ar+ through Ar4+, produced by the Auger decay of a 2p hole in argon, have been measured between 242 eV and 253 eV by the use of synchrotron radiation. The high resolution of the monochromator has allowed a detailed study of the postcollision interactions that occur in this spectral region. The concept of photoelectron recapture by Ar2+ to produce the Ar+ continuum is studied. The relative values of the quantum-mechanical calculations of the photoelectron recapture probability are shown to be in excellent agreement with the present data. The magnitude and shape of the Ar2+ continuum has been explained on the basis that about 67% of the recaptured photoelectrons produce excited states of Ar+ which subsequently reemit the electrons by autoionization.
Copyright American Physical Society, used with permission
Citation Information
James A.R. Samson, Wayne C. Stolte, Z. X. He, J. N. Cutler, et al.. "Post-collision interactions in the Auger decay of the Ar L-shell" Physical Review A Vol. 54 Iss. 3 (1996) p. 2099 - 2106
Available at: