Fine structure in the inner valence photoelectron spectra of N 2 and CO

Abstract

The high-resolution (≈ 0.1 eV) inner valence photoelectron specta of N 2 and CO, with the binding energy in the 29–42 eV region are reported. For the first time, the effects of vibronic are clearly resolved. Both spectra exhibit great complexity in structure. A preliminary assignment, based on calculations which only considered the electronic excitations, is given.