Sequential versus nonsequential two-photon double ionization of the D2 molecule at 38 eV
- Plésiat, E.
- Pérez Torres, Jhon Fredy
- Jiang, Y. H.
- Rudenko, A.
- Kühnel, K. U.
- Ergler, Th.
- Ludemann, S.
- Zrost, K.
- Fischer, D.
- Foucar, L.
- Titze, J.
- Jahnke, T.
- Schöffler, M.
- Dorner, R.
- Dusterer, S.
- Treusch, R.
- Schröter, C. D.
- Moshammer, R.
- Ullrich, J.
- Sanz Vicario, José Luis
- Martín García, Fernando
Publication date
January 2009
DOI Publisher
IOP Publishing Journal
Journal of Physics Conference Series Language
EnglishAbstract
ABSTRACT: A simple theoretical model is used to interpret recent experimental results for two-photon double ionization (DI) of D2 at 38 eV. We show that the measured kinetic energy distribution associated with emission of two protons can be interpreted as a sum of two processes: a sequential and an instantaneous absorption of the two incident photons. These processes lead to peaks in di erent regions of the spaectrum
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