Cluster-transfer reactions with radioactive beams: A spectroscopic tool for neutron-rich nuclei
2015
AnexploratoryexperimentperformedatREX-ISOLDEtoinvestigatecluster-transferreactionswithradioactive beams in inverse kinematics is presented. The aim of the experiment was to test the potential of cluster-transfer reactions at the Coulomb barrier as a mechanism to explore the structure of exotic neutron-rich nuclei. The reactions 7 Li( 98 Rb,αxn) and 7 Li( 98 Rb,txn) were studied through particle-γ coincidence measurements, and the results are presented in terms of the observed excitation energies and spins. Moreover, the reaction mechanism is qualitatively discussed as a transfer of a clusterlike particle within a distorted-wave Born approximation framework. The results indicate that cluster-transfer reactions can be described well as a direct process and that they can be an efficient method to investigate the structure of neutron-rich nuclei at medium-high excitation energies and spins.
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