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Interatomic electronic decay driven by nuclear motion

The interatomic electronic decay after inner-valence ionization of a neon atom by a single photon in a neon-helium dimer is investigated. The excited neon atom relaxes via interatomic Coulombic decay and the excess energy is transferred to the helium atom and ionizes it. We show that the decay proce...

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Main Authors: Sisourat, Nicolas (Author) , Sann, Hendrik (Author) , Kryzhevoi, Nikolai V. (Author) , Kolorenč, Přemysl (Author) , Havermeier, Tilo (Author) , Sturm, Felix (Author) , Jahnke, Till (Author) , Kim, Hong-Keun (Author) , Dörner, Reinhard (Author) , Cederbaum, Lorenz S. (Author)
Format: Article (Journal)
Language:English
Published: 22 October 2010
In: Physical review letters
Year: 2010, Volume: 105, Issue: 17, Pages: 1-4
ISSN:1079-7114
DOI:10.1103/PhysRevLett.105.173401
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.105.173401
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.105.173401
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Author Notes:Nicolas Sisourat, Hendrik Sann, Nikolai V. Kryzhevoi, Přemysl Kolorenč, Tilo Havermeier, Felix Sturm, Till Jahnke, Hong-Keun Kim, Reinhard Dörner, and Lorenz S. Cederbaum
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Summary:The interatomic electronic decay after inner-valence ionization of a neon atom by a single photon in a neon-helium dimer is investigated. The excited neon atom relaxes via interatomic Coulombic decay and the excess energy is transferred to the helium atom and ionizes it. We show that the decay process is only possible if the dimer’s bond stretches up to 6.2 Å, i.e., to more than twice the equilibrium interatomic distance of the neutral dimer. Thus, it is demonstrated that the electronic decay, taking place at such long distances, is driven by the nuclear motion.
Item Description:Gesehen am 09.08.2023
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.105.173401

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