Cluster multifragmentation and percolation transition:a quantitative comparison for two systems of the same size
Résumé
Using a recently developed multicoincidence technique, fragmentation resulting from collisions between high energy (60 keV/u) H-27(+) ions with an He target are investigated on an event by event basis. The data obtained are analyzed in terms of fluctuations in the fragment size distribution. A comparison with results from two different three-dimensional (3D) lattice bond percolation models of the same size (27 constituents) indicates the presence of a critical behavior in the decaying finite system and the importance of accounting in the percolation model for the specific binding situation in the hydrogen cluster ion.
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