Time-resolved measurement of interatomic coulombic decay in Ne2

K. Schnorr, A. Senftleben, M. Kurka, A. Rudenko, L. Foucar, G. Schmid, A. Broska, T. Pfeifer, K. Meyer, D. Anielski, R. Boll, D. Rolles, M. Kübel, M. F. Kling, Y. H. Jiang, S. Mondal, T. Tachibana, K. Ueda, T. Marchenko, M. SimonG. Brenner, R. Treusch, S. Scheit, V. Averbukh, J. Ullrich, C. D. Schröter, R. Moshammer

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Abstract

The lifetime of interatomic Coulombic decay (ICD) [L. S. Cederbaum et al., Phys. Rev. Lett. 79, 4778 (1997)] in Ne2 is determined via an extreme ultraviolet pump-probe experiment at the Free-Electron Laser in Hamburg. The pump pulse creates a 2s inner-shell vacancy in one of the two Ne atoms, whereupon the ionized dimer undergoes ICD resulting in a repulsive Ne +(2p-1)-Ne+(2p-1) state, which is probed with a second pulse, removing a further electron. The yield of coincident Ne+-Ne2+ pairs is recorded as a function of the pump-probe delay, allowing us to deduce the ICD lifetime of the Ne2+(2s -1) state to be (150±50) fs, in agreement with quantum calculations.

Original languageEnglish
Article number093402
JournalPhysical Review Letters
Volume111
Issue number9
DOIs
Publication statusPublished - 2013 Aug 27

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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