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Photoelectron recapture through post-collision interaction in N2

E. Shigemasa - No affiliation found

2007/05/01 Full-length article DOI: 10.1016/j.elspec.2006.12.017 Journal: Journal of Electron Spectroscopy and Related Phenomena

Abstract:

AbstractPhotoelectron spectroscopy has been applied to investigate electron emissions from excited atomic fragments in the vicinity of the K-shell ionization threshold of N2. It is found that low kinetic energy electrons are emitted in the photon energy region both immediately below and above the K-shell ionization threshold. The electron emissions are attributable to autoionization from the excited fragments in low-n Rydberg states. The N2+* states leading to the formation of the excited fragments which autoionize with emitting slow electrons, are populated not only by spectator Auger decay from the core-excited states, but also by the recapture of slow photoelectrons into the Rydberg orbitals.