AUGER-PHOTOELECTRON COINCIDENCE SPECTRA OF GASEOUS N-2 - DECAY OF SELECTED IONIZED STATES

Auger spectra are generally interpreted as decay of a core-ionized sta te. However, not only the pure core-hole state but also shake-up and s hake-off configurations contribute to conventionally excited spectra. The interpretation becomes difficult whenever the various Auger transi tions are observed at the same kinetic energy. Using Auger-photoelectr on coincidence spectroscopy we here demonstrate the possibility to obt ain unique decay spectra of the pure core ionized single hole state an d the singlet coupled 1s(-1)1 pi(u)(-1)1 pi(g)((IIu)-I-1) shake-up sat ellite state of N-2.