Abstract
We have performed continuum-discretized coupled channels (CDCC) calculations of the breakup of 8B on 58Ni in the energy interval 10 – 26 MeV in the c.m. system. Elastic scattering angular distributions for the 8B + 58Ni system at five different energies around the Coulomb barrier were studied by using the CDCC model and taking into account a coupling between elastic and breakup channels. The energy-dependent sets found for the OPs parameters reproduce well the elastic scattering data and the fusion and reaction cross sections. Finally, a comparison of the reduced total reaction cross sections for the 8B + 58Ni system with the 6He + 208Pb and 6He + 209Bi systems is presented.
Highlights
The study of nuclear reactions induced by radioactive beams of nuclei located near the neutron or proton drip lines reveals interesting new phenomena such as the formation of halo structures [1, 2]
The presence of halo structure means that an rms matter radius is larger than the usual value deduced from the r0A1/3–systematics and a dilute nuclear density appears in an enlarged peripheral region
We carried out the continuum-discretized coupled channels (CDCC) calculations of the breakup, fusion, and elastic scattering of 8B on 58Ni using the code FRESCO [22] and compared the results with the differential cross sections and the excitation functions measured in Refs. [13,14,15]
Summary
The study of nuclear reactions induced by radioactive beams of nuclei located near the neutron or proton drip lines reveals interesting new phenomena such as the formation of halo structures [1, 2]. It was shown that the sum of the fusion plus ‘‘breakup/transfer’’ yields saturates the total reaction cross section predicted from an analysis of simultaneously measured elastic scattering angular distributions.
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