A study of photoelectron recapture due to post-collision interaction in Ne at the 1s photoionization threshold

U. Hergenhahn, A. De Fanis, G. Prümper, A. K. Kazansky, N. M. Kabachnik, K. Ueda

研究成果: Article査読

19 被引用数 (Scopus)

抄録

Electron spectra from radiationless decay of a Ne 1s vacancy are measured with excitation energies immediately at the 1s ionization threshold. Special attention is given to the excess energy region where Γ is the lifetime width of the 1s vacancy. Spectra are dominated by recapture of photoelectrons into Rydberg states of Ne+ above the threshold, and by a smooth transition into the spectator resonant Auger spectrum below the threshold. High resolution of the present experiment allowed us to clearly observe Rydberg states up to n ≤ 8 and to determine the individual probabilities for populating of these states by photoelectron recapture. Results are compared with calculations based on the semiclassical theory of post-collision interaction extended to high Rydberg excitations of the primary photoexcited electron, as well as with a non-stationary quantum mechanical theory of near-threshold photoionization with subsequent Auger decay.

本文言語English
ページ(範囲)2843-2857
ページ数15
ジャーナルJournal of Physics B: Atomic, Molecular and Optical Physics
38
15
DOI
出版ステータスPublished - 2005 8 14

ASJC Scopus subject areas

  • 原子分子物理学および光学
  • 凝縮系物理学

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