Cluster correlations in multifragmentation

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The possibility of strong cluster correlations in multifragmentation reactions is explored based on the antisymmetrized molecular dynamics calculations. The number of emitted protons, which is smaller than predicted by usual transport models, can be explained by introducing the two-nucleon collision process to the final states in which one or both of the scattered nucleons may form clusters (such as deuterons, tritons and α particles) with other nucleons in the system. The cluster correlation has strong impacts on the whole collision dynamics. The multifragmentation data at 50 MeV/nucleon and above are well reproduced with this strong cluster correlation if pairs of clusters with small relative velocities are assumed to form light nuclei such as Li and Be isotopes. An analysis is shown on symmetry energy effects in emission of nucleons and clusters.

Original languageEnglish
Article number012103
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 2013
Event11th International Conference on Nucleus-Nucleus Collisions, NN 2012 - San Antonio, TX, United States
Duration: 2012 May 272012 Jun 1


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