The study of the hyperfine (hfs) anomaly in neutron rich nuclei can give a very specific and unique way to study the neutron distribution and the clustering structure. We study the sensitivity of the hfs anomaly to the clustering effects in the 9 Be isotope using two different nuclear wave functions obtained in the three-cluster (α + α + n) model. The results are compared to those obtained for 9,11 Be in a two-body core + neutron model to examine whether the hfs anomaly is sensitive to a halo structure in 11 Be.
One-proton removal from15 O at intermediate energies (56 A MeV) is studied in the eikonal approximation of the Glauber model. The production of the 14 N core fragment in the ground and excited states is regarded. The calculated proton removal cross section, the 15 O interaction cross section, and the longitudinal momentum distribution of the 14 N fragments are compared to recent experimental data [4].
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