High resolution angle-resolved measurements of Auger emission from the photo-excited 1s-13p state of Ne

Y. Shimizu, H. Yoshida, K. Okada, Y. Muramatsu, N. Saito, H. Ohashi, Y. Tamenori, S. Fritzsche, N. M. Kabachnik, H. Tanaka, Kiyoshi Ueda

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Abstract

We present measurements of the resonant Auger electron emission at an electron kinetic energy of approximately 810 eV in the Ne atom following 1s→3p excitation at an excitation photon energy of 867.12 eV, with a photon band pass of 60-68 meV, an electron energy resolution of 13 meV, and the Doppler width due to thermal motion of the sample Ne atoms of 79 meV. Under these conditions, the overall resolution of 100-105 meV (FWHM) is much smaller than the natural width, 250 meV, of the Ne 1s hole state, and the resonant Auger final states 2p-2(1D2)3p (or 4p) 2p, 2D, 2F are completely (or partially) resolved. The obtained β values and branching ratios are in good agreement with first principles calculations by means of the multi-configuration Dirac-Fock methods within the framework of the two-step model.

Original languageEnglish
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Volume33
Issue number20
DOIs
Publication statusPublished - 2000 Oct 28

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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    Shimizu, Y., Yoshida, H., Okada, K., Muramatsu, Y., Saito, N., Ohashi, H., Tamenori, Y., Fritzsche, S., Kabachnik, N. M., Tanaka, H., & Ueda, K. (2000). High resolution angle-resolved measurements of Auger emission from the photo-excited 1s-13p state of Ne. Journal of Physics B: Atomic, Molecular and Optical Physics, 33(20). https://doi.org/10.1088/0953-4075/33/20/105