The Three-Body Structure of 2n and 2p Halo Nuclei
Journal: Journal of Nuclear Physics, Material Sciences, Radiation and Applications (Vol.5, No. 2)Publication Date: 2018-02-05
Authors : I. Sreeja; M. Balasubramaniam;
Page : 265-281
Keywords : Halo nuclei; Cluster Core model; Preformation Probability;
Abstract
A three-cluster model developed for ternary fission studies has been applied for the first time to study the three-body structure of 2n and 2p halo nuclei. For the experimentally known 2n, 2p halo nuclei, all possible ternary fragmentation potential energy surface (PES) is calculated. The two-body breakup reported earlier, clearly indicated a strong minimum in the PES corresponding to 1n/1p and/or 2n/2p cluster plus core configuration. However, the present calculations of PES reveal that, the three- body breakup does not result always with 2n and/or 2p as a cluster. A 1n and/or 1p cluster along with the core is initially formed, and then the core loses one nucleon to make either a 2n plus core or 2p plus core structure. The results are substantiated with the calculations of preformation probability calculated within quantum mechanical fragmentation theory.
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