CLUSTERING IN RELATIVISTIC DISSOCIATION OF 9Be, 9C, 10C AND 12N NUCLEI
Abstract
The dissociation features in nuclear track emulsion of 9Be, 9,10C, and 12N nuclei of 1.2 A GeV energy are presented. The data presented for the nucleus 9Be can be considered as evidence that there is a core in its structure in the form of 0+ and 2+ states of the 8Be nucleus having roughly equal weights. Events of coherent dissociation 9C→33He associated with the rearrangement of the nucleons outside the α-clustering are identified. A pattern of the charge fragment topology in the dissociation of 10C and 12N nuclei is obtained for the first time. Contribution of the unbound nucleus decays to the cascade process 10C→9B→8Be is identified.
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