Abstract
An improved quark mass density-dependent model is applied to study the ground-state properties of axially deformed even-even nuclei using the deformed quark-meson coupling calculation. The present study is mainly focused on the nuclei with the available experimental data ranging from $Z=14$ to $Z=26$. The ground-state binding energies, two-neutron separation energies, two-proton separation energies, quadrupole deformations, and root-mean-square (rms) charge radii are studied. The shell effect of the neutron magic number $N=20$ can be demonstrated by our model. It has been shown that the improved quark mass density-dependent model can give a reasonable description of the axially deformed nuclei.
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