Vibration-dependent angular anisotropy in the photodetachment of O2-, viewed with velocity-map imaging

S. T. Gibson, S. J. Cavanagh, B. R. Lewis, J. R. Gascooke, R. Mabbs, A. Sanov

Research output: Contribution to journalConference articlepeer-review


The photodetachment spectrum of O2- has been measured at a number of wavelengths using velocity-map imaging. The electron kinetic-energy resolution (< 5 meV) is sufficient to resolve the anion fine-structure splitting, vibrational and electronic structure. The electron angular distribution varies with the electron kinetic-energy, with a different behaviour for each vibronic band.

Original languageEnglish (US)
Article number022054
JournalJournal of Physics: Conference Series
Issue number2
StatePublished - Dec 24 2009
Event26th International Conference on Photonic, Electronic and Atomic Collisions - Kalamazoo, United States
Duration: Jul 22 2009Jul 28 2009

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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