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Article Dans Une Revue Journal of Chemical Physics Année : 2002

Pump–probe dissociative ionization of NaI and CsI aggregated with CH3CN

Résumé

Recent experiments have investigated the dissociative ionization of NaI and CsI, each aggregated with a molecule of acetonitrile CH3CN, using two femtosecond laser pulses. The first, the pump pulse, excites the NaI or CsI diatom to a dissociative state. The second, the probe pulse, then ionizes the sodium or cesium atom after a variable delay time, and the resulting ion is detected. In the case of NaI, the ion signal is characterized by a single maximum. For CsI, however, an oscillatory signal is observed. By performing two-dimensional wave packet propagations, we are able to reproduce this behavior, which can be explained using simple physical arguments.
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Dates et versions

hal-04379839 , version 1 (08-01-2024)

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Darian Stibbe, Eric Charron, Valerie Brenner, Philippe Millié, Annick Suzor-Weiner. Pump–probe dissociative ionization of NaI and CsI aggregated with CH3CN. Journal of Chemical Physics, 2002, 116 (24), pp.10753-10759. ⟨10.1063/1.1478697⟩. ⟨hal-04379839⟩
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