Abstract

The ground-state structure of 48Cr is investigated by multiple α-like cluster model. The original model with only J = T = 0 α-like cluster is extended so as to deal with the contribution of J > 0 α-like units. The model reproduces the observed ground-state energy of 48Cr well and explains the characteristic variation of the ground-state energies from 44Ti to 48Cr caused by many-body correlations. The properties of the 48Cr ground state which originate in the α-like four-nucleon correlations are revealed by the model.

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