The one-neutron halo effect development in beryllium isotopes has been studied self-consistently using the Skyrme-Hartree-Fock model, covering mass numbers A= 7-12. The Zσ, SkM*, and SkIII parameter sets have been used to calculate the charge density distributions. The calculations show a systematic decrease in rms charge radius from A = 7 to 10 and an increase from A= 10 to 12, in agreement with recent experimental data.Keywords: beryllium isotopes, charge density distribution, one-neutron halo, self-consistent calculation, Skyrme-Hartree-Fock model.
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