Time-resolved measurement of interatomic Coulombic decay induced by to-photon double excitation of Ne2

The hitherto unexplored two-photon doubly excited states [Ne∗(2p−13s)]2 were experimentally identified using the seeded, fully coherent, intense extreme ultraviolet free-electron laser FERMI. These states undergo ultrafast interatomic Coulombic decay (ICD), which predominantly produces singly ionize...

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Main Authors: Takanashi, Tsukasa (Author) , Jabbari, Ghazal (Author) , Golubev, Nikolay V. (Author) , Cederbaum, Lorenz S. (Author) , Kuleff, Alexander I. (Author)
Format: Article (Journal)
Language:English
Published: 19 January 2017
In: Physical review letters
Year: 2017, Volume: 118, Issue: 3, Pages: 033202
ISSN:1079-7114
DOI:10.1103/PhysRevLett.118.033202
Online Access:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.118.033202
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.118.033202
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Author Notes:T. Takanashi, N.V. Golubev, C. Callegari, H. Fukuzawa, K. Motomura, D. Iablonskyi, Y. Kumagai, S. Mondal, T. Tachibana, K. Nagaya, T. Nishiyama, K. Matsunami, P. Johnsson, P. Piseri, G. Sansone, A. Dubrouil, M. Reduzzi, P. Carpeggiani, C. Vozzi, M. Devetta, M. Negro, D. Faccialà, F. Calegari, A. Trabattoni, M.C. Castrovilli, Y. Ovcharenko, M. Mudrich, F. Stienkemeier, M. Coreno, M. Alagia, B. Schütte, N. Berrah, O. Plekan, P. Finetti, C. Spezzani, E. Ferrari, E. Allaria, G. Penco, C. Serpico, G. De Ninno, B. Diviacco, S. Di Mitri, L. Giannessi, G. Jabbari, K.C. Prince, L.S. Cederbaum, Ph. V. Demekhin, A.I. Kuleff, and K. Ueda
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Summary:The hitherto unexplored two-photon doubly excited states [Ne∗(2p−13s)]2 were experimentally identified using the seeded, fully coherent, intense extreme ultraviolet free-electron laser FERMI. These states undergo ultrafast interatomic Coulombic decay (ICD), which predominantly produces singly ionized dimers. In order to obtain the rate of ICD, the resulting yield of Ne+2 ions was recorded as a function of delay between the extreme ultraviolet pump and UV probe laser pulses. The extracted lifetimes of the long-lived doubly excited states, 390(−130/+450) fs, and of the short-lived ones, less than 150 fs, are in good agreement with ab initio quantum mechanical calculations.
Item Description:Published 19 January 2017
Gesehen am 03.07.2018
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Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.118.033202