Search for the interatomic Auger effect in Nitrous Oxide
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA(2023)
Abstract
The interatomic Auger effect following O 1s ionization in N2O has been experimentally investigated using multi-electron coincidence spectroscopy. The expected transition energies have been established by comparison to the measured N 1s-1v-1 core-valence double ionization energies. We describe a procedure to eliminate the background of two competing processes contributing spectroscopic signatures to the same energy range, namely double Auger decay of the O 1s vacancy and direct single-photon double ionization into the N 1s-1v-1 states. While the interatomic Auger transitions could not be successfully isolated, we provide an upper boundary of the transition probability of 0.07% with respect to the dominant single Auger decay after O 1s ionization.
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Key words
Interatomic auger effect, Core-valence double-ionization, Double auger decay
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