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This book is a M.Sc. thesis in theoretical nuclear physics. It is
supervised by the professors of theoretical nuclear physics at
faculty of Science, Cairo university: M. Y. M. Hassan, M. Y. H.
Farag, and E. H. Esmael. The elastic scattering and breakup of
neutron halo nuclei are studied in this work. The halo nuclei
exhibit a strong cluster structure and anomalously large matter
radii. Their separation energies of the halo neutrons are very low,
so they can easily broken. These nuclei are so short lived that
these cannot be used as targets. Instead, direct reactions can be
done in inverse kinematics. The optical potential is constructed
only from the framework of the folding model. It has few fitting
parameters and give good agreement with the cross section data.
Thus, it is not necessary to introduce a large number of arbitrary
fitting parameters as done in the phenomenological potentials.
Different densities for the halo nuclei are used and tested. The
parameters of the density-dependent term are adjusted to fulfill
saturation of nuclear matter. The breakup effect is studied by
adding a dynamical polarization potential with different forms to
the "bare" optical potential.
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