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Cluster multifragmentation and percolation transition:a quantitative comparison for two systems of the same size

Abstract : 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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F. Gobet, B. Farizon, M. Farizon, M.J. Gaillard, J.P. Buchet, et al.. Cluster multifragmentation and percolation transition:a quantitative comparison for two systems of the same size. Physical Review A, American Physical Society, 2001, 63, pp.033202-1-033202-5. ⟨10.1103/PhysRevA.63.033202⟩. ⟨in2p3-00008019⟩

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