Nuclear dynamics of core-excited and ionized small polyatomic molecules probed by multiple coincidence momentum imaging technique

N. Saito, A. De Fanis, I. Koyano, K. Ueda

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)

Abstract

Our recent studies on nuclear dynamics of core-excited and core-ionized molecules probed by a multiple coincidence momentum imaging technique are reviewed. This technique consists of a time-of-flight spectrometer with a multi-hit two-dimensional position sensitive detector and a supersonic jet. One can probe the symmetries and the nuclear motions of polyatomic molecules using this technique. As a specific example, we illustrate how to resolve the symmetries of the CO2 C 1s-1u core-excited states, which split into two states, A1 and B1, due to D∞h → C2v symmetry lowering by the static Renner-Teller effect, and how to probe the nuclear motion caused in these states. We discuss also symmetry lowering D3h → C3v and D3h → C2v initiated by the B 1s → 4a 2'' excitation and F 1s ionization, respectively, in the BF 3 molecule and nuclear motions in these core-excited and ionized states.

Original languageEnglish
Pages (from-to)90-95
Number of pages6
JournalPhysica Scripta T
VolumeT110
DOIs
Publication statusPublished - 2004
Externally publishedYes
EventXXIII International Conference on Photonic, Electronic, and Atomic Collisions, 23rd ICPEAC - Stockholm, Sweden
Duration: 2003 Jul 232003 Jul 29

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Mathematical Physics
  • Condensed Matter Physics
  • Physics and Astronomy(all)

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