Dissociation Channels for Multiply Charged Clusters
Size distributions of fragments from multiply charged clusters have been determined. On a time scale of 0.1 ms with respect to ionization, triply charged CO2 clusters of size n≈114 are found to fission extremely asymmetrically, their doubly charged fragments carrying 92% of the mass. For doubly charged CO2 clusters, however, evaporation of neutral monomers is the only channel for delayed dissociation. A model, based on the liquid-drop approximation, can quantitatively account for the lower size limits of multiply charged clusters as well as for the distribution of fission fragments from (CO2) ≅1143+.
Physical Reviw Letters
Digital Object Identifier (DOI)
D. Kreisle, O. Echt, M. Knapp, E. Recknagel, K. Leiter, T. D. Märk, J. J. Saenz and J. M. Soler, Dissociation Channels for Multiply Charged Clusters, Phys. Rev. Lett. 56 (1986) 1551
©1986 American Physical Society