Charge transfer and dissociation in collisions of metal clusters with atoms |
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Authors: | Bréchignac C Cahuzac Ph Concina B Leygnier J Ruiz L F Zarour B Hervieux P A Hanssen J Politis M F Martín F |
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Institution: | Laboratoire Aimé Cotton, C.N.R.S., Batiment 505, Université Paris Sud, 91405 Orsay cedex, France. |
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Abstract: | We present a combined theoretical and experimental study of charge transfer and dissociation in collisions of slow Li31(2+) clusters with Cs atoms. We provide a direct quantitative comparison between theory and experiment and show that good agreement is found only when the exact experimental time of flight and initial cluster temperature are taken into account in the theoretical modeling. We demonstrate the validity of the simple physical image that consists in explaining evaporation as resulting from a collisional energy deposit due to cluster electronic excitation during charge transfer. |
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