Multifragmentation in alpha(5GeV/u) + Au Reactions
Tomoyuki Maruyama
Abstract
We simulate the fragmentation processes in the collisions at the bombarding energy 5 GeV/u using the simplified RQMD approach. The statistical decay calculation is connected to obtain the final state. >From the simulation we find that the residual nucleus created by this collision has a annular eclipse shape, and then expands more strongly to the transverse direction than to the beam-direction. Then the angular-distribution of the intermediate mass fragments has a sideward peak; this result explains the experimental result.
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