Interference Effects between Auger and Photoelectron Studied by Subnatural Linewidth Auger-Photoelectron Coincidence Spectroscopy

J. Viefhaus, G. Snell, R. Hentges, M. Wiedenhöft, F. Heiser, O. Geßner, and U. Becker
Phys. Rev. Lett. 80, 1618 – Published 23 February 1998
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Abstract

Using subnatural linewidth Auger-photoelectron coincidence spectroscopy following linearly polarized synchrotron radiation excitation we have measured the triply differential double photoionization cross section of xenon at a photon energy of 97.5 eV. At this photon energy the kinetic energy of the 4 d5/2 photoelectron line matches exactly the position of the 1S0 N5O2,3O2,3 Auger line and therefore the two electrons are indistinguishable. If the two electrons are emitted back to back in the plane of polarization the triply differential cross section fully vanishes.

  • Received 6 October 1997

DOI:https://doi.org/10.1103/PhysRevLett.80.1618

©1998 American Physical Society

Authors & Affiliations

J. Viefhaus1,*, G. Snell1,2, R. Hentges1, M. Wiedenhöft1, F. Heiser1, O. Geßner1, and U. Becker1

  • 1Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
  • 2Fakultät für Physik, Universität Bielefeld, Universitätsstraße 25, D-33615 Bielefeld, Germany

  • *Electronic address: viefhaus@fhi-berlin.mpg.de

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Vol. 80, Iss. 8 — 23 February 1998

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