Abstract
Using the non-relativistic quark model of the nucleons and considering the quark exchange between at most two nucleons, we calculate the quark distributions for the ground state of the doubly-magic nuclei, i.e. 4He, 16O and 40Ca. We take into the account the effect of two-body nucleon correlations which depend on spin, isospin, total angular momentum, tensor operators and the relative and centre-of-mass coordinates of two nucleons. The harmonic-oscillator wavefunctions are used as the uncorrelated states and a local density approximation is performed to convert the infinite nuclear-matter correlation functions to finite ones. The result is compared with results due to Catara and Sambataro (1992).
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