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Interatomic Coulombic decay following Ne 1s Auger decay in NeAr

Using momentum-resolved electron-ion multicoincidence spectroscopy, we have investigated interatomic Coulombic decay (ICD) in the heteronuclear NeAr dimer following Ne 1s Auger decay. The measured intensity ratio for the three ICD transitions Ne2+(2s−12p−11P)Ar to Ne2+(2p−21S)-Ar+(3p−1), Ne2+(2s−12p...

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Main Authors: Ouchi, Toshihiko (Author) , Sakai, K. (Author) , Fukuzawa, H. (Author) , Higuchi, I. (Author) , Demekhin, Philipp V. (Author) , Chiang, Ying-Chih (Author) , Stoychev, Spas Dimitrov (Author) , Kuleff, Alexander I. (Author) , Mazza, T. (Author) , Schöffler, M. (Author) , Nagaya, K. (Author) , Yao, M. (Author) , Tamenori, Y. (Author) , Saito, N. (Author) , Ueda, K. (Author)
Format: Article (Journal)
Language:English
Published: 17 May 2011
In: Physical review. A, Atomic, molecular, and optical physics
Year: 2011, Volume: 83, Issue: 5, Pages: 1-6
ISSN:1094-1622
DOI:10.1103/PhysRevA.83.053415
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevA.83.053415
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevA.83.053415
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Author Notes:T. Ouchi, K. Sakai, H. Fukuzawa, I. Higuchi, Ph. V. Demekhin, Y.-C. Chiang, S.D. Stoychev, A.I. Kuleff, T. Mazza, M. Schöffler, K. Nagaya, M. Yao, Y. Tamenori, N. Saito, and K. Ueda
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Summary:Using momentum-resolved electron-ion multicoincidence spectroscopy, we have investigated interatomic Coulombic decay (ICD) in the heteronuclear NeAr dimer following Ne 1s Auger decay. The measured intensity ratio for the three ICD transitions Ne2+(2s−12p−11P)Ar to Ne2+(2p−21S)-Ar+(3p−1), Ne2+(2s−12p−11P)Ar to Ne2+(2p−21D)-Ar+(3p−1), and Ne2+(2s−12p−13P)Ar to Ne2+(2p−23P)-Ar+(3p−1) reasonably agree with predictions. The kinetic energy release distribution for the fragmentation to Ne2+(2p−21D)-Ar+(3p−1) after the ICD transition from singlet Ne2+(2s−12p−11P)Ar state, which is a mirror image of the kinetic energy distribution of the emitted ICD electrons, suggests that the corresponding ICD rate is roughly two times lower than predicted by ab initio calculations.
Item Description:Gesehen am 19.10.2022
Physical Description:Online Resource
ISSN:1094-1622
DOI:10.1103/PhysRevA.83.053415

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