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Energy resolved electron – ion coincidence study near the S 2p thresholds of the SF6 molecule

In English

Författare

  • Antti Kivimäki
  • Jesús Álvarez Ruiz
  • Peter Erman
  • Paul Hatherly
  • Emilio Melero García
  • Elisabeth Rachlew
  • Jaume Rius i Riu
  • Marek Stankiewicz

Summary, in English

The fragmentation dynamics of the SF6 molecule following the excitations of S 2p electrons into unoccupied molecular orbitals has been studied using the energy-resolved electron–ion coincidence technique. Fragmentation patterns were found to depend on the particular excitation and on the electronic state of the molecular ion. The spectator resonant Auger decay at the 2p → 6a1g resonance induces changes in the ion distributions as compared to direct photoionization. Furthermore, coincidence spectra related to the same Auger structure display different ion abundances at the 2t2g and 4eg shape resonances. Differences were also found in the Auger decay spectra. These findings give further support for the previously suggested many-electron character of the 4eg shape resonance.

Publiceringsår

2003

Språk

Engelska

Sidor

781-791

Publikation/Tidskrift/Serie

Journal of Physics B: Atomic, Molecular and Optical Physics

Volym

36

Issue

4

Dokumenttyp

Artikel i tidskrift

Förlag

IOP Publishing

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0953-4075