Journal
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
Volume 144, Issue -, Pages 227-230Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.elspec.2005.01.009
Keywords
elastic scattering; atoms; molecules; 3D-ion-momentum; high-resolution; coincidence; gas phase
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We have set up a coincidence apparatus consisting of a high-resolution electron spectrometer and a k-resolving ion spectrometer. As an example for measurements performed with this apparatus, we present ion mass spectra that are coincident with energy-resolved resonant Auger electrons emitted from F 1s excited SF6 molecules and resonant Auger electron spectra that are coincident with mass-selected fragment ions, as a function of the detuning from the F(1s(-1))a(1g)* resonance in SF6. Significant changes of these spectra due to detuning suggest that a substantial fraction of the excess photon energy goes into fragmentation rather than into electron kinetic energy. (c) 2005 Elsevier B.V. All rights reserved.
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