Abstract
The quasielastic breakup of an $^{16}\mathrm{O}$ nucleus at 32.5 MeV/nucleon on a $^{197}\mathrm{Au}$ target has been investigated by measuring the projectilelike fragments in coincidence with the emitted light charged particles. It is found that the breakup proceeds via sequential, two-step processes in which inelastic scattering and one-neutron pickup are the most significant components in the formation of the primary fragment. This is followed by statistical decay of the highly excited primary fragment. A Monte Carlo simulation was used to identify these processes and to deduce differential and total cross sections for the breakup of $^{16}\mathrm{O}$ into the \ensuremath{\alpha}${+}^{12,13}$C channels.
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