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Abstract:
We have calculated the entire autoionization spectrum of CO following core-to-bound, i.e. C 1s→2π* excitation, within a Green's function formalism. Approximate autoionization transition intensities can be related to the Hamiltonian matrix elements. Initialstate screening is important for obtaining realistic autoionization probabilities. For the low-lying ion states there is a one-to-one correspondence between the photoelectron and the autoionization spectrum. The connection between autoionization and Auger decay is discussed.
