Lifetime interference effect on the angular distribution of the Auger electron emission following resonant Auger decay from 2p→4s photoexcited Ar

K. Ueda, Y. Shimizu, N. M. Kabachnik, I. P. Sazhina, R. Wehlitz, U. Becker, M. Kitajima, H. Tanaka

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

A strong alternation of Auger electron angular distributions is observed for the second-step Auger emission of Ar following 2p3/2→4s and 2p1/2→4s excitation. This effect, which gives rise not only to anisotropy suppression but also to the strong enhancement, is shown to originate from a coherent population of the Auger initial state due to the short decay time of the second-step Auger transition, the so-called lifetime interference effect.

Original languageEnglish
Pages (from-to)L291-L296
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Volume32
Issue number13
DOIs
Publication statusPublished - 1999 Jul 14

ASJC Scopus subject areas

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

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