Publikace ÚTF

Ultrafast Molecular Three-Electron Auger Decay

Raimund Feifel, R.; Eland, J. H. D.; Squibb, R. J.; Mucke, M.; Zagorodskikh, S.; Linusson, P.; Tarantelli, F.; Kolorenč, P.; Averbukh, V.

Three-electron Auger decay is an exotic and elusive process, in which two outer-shell electrons simultaneously refill an inner-shell double vacancy with emission of a single Auger electron. Such transitions are forbidden by the many-electron selection rules, normally making their decay lifetimes orders of magnitude longer than the few-femtosecond lifetimes of normal (two-electron) Auger decay. Here we present theoretical predictions and direct experimental evidence for a few-femtosecond three-electron Auger decay of a double inner-valence-hole state in CH3F. Our analysis shows that in contrast to double core holes, double inner-valence vacancies in molecules can decay exclusively by this ultrafast three-electron Auger process, and we predict that this phenomenon occurs widely.
type:article
journal:Phys. Rev. Lett.
volume:116
pages:073001
year:2016
grants:Non-radiative relaxation processes in ionized atomic and molecular systems, GAČR 208/12/0521; 2012-2015; hlavní řešitel: Přemysl Kolorenč
files:
physrevlett.116.073001.pdf (361.35 kB)

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