Cluster correlation and fragment emission in C 12 + C 12 at 95 MeV/nucleon

G. Tian, Z. Chen, R. Han, F. Shi, F. Luo, Q. Sun, L. Song, X. Zhang, G. Q. Xiao, R. Wada, A. Ono

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10 Citations (Scopus)


The impact of cluster correlations has been studied in the intermediate mass fragment (IMF) emission in C12+C12 at 95 MeV/nucleon, using antisymmetrized molecular dynamics (AMD) model simulations. In AMD, the cluster correlation is introduced as a process to form light clusters with A≤4 in the final states of a collision induced by the nucleon-nucleon residual interaction. Correlations between light clusters are also considered to form light nuclei with A≤9. This version of AMD, combined with GEMINI to calculate the decay of primary fragments, reproduces the experimental energy spectra of IMFs well overall with reasonable reproduction of light charged particles when we carefully analyze the excitation energies of primary fragments produced by AMD and their secondary decays. The results indicate that the cluster correlation plays a crucial role for producing fragments at relatively low excitation energies in the intermediate-energy heavy-ion collisions.

Original languageEnglish
Article number034610
JournalPhysical Review C
Issue number3
Publication statusPublished - 2018 Mar 19


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