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New direct reaction: two-proton knockout from neutron-rich nuclei
D Bazin1, B A Brown, C M Campbell
1National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
Physical Review Letters
|August 9, 2003
Abstract:
The reaction 9Be(28Mg,26Ne+gamma)X has been studied at 82 MeV/nucleon together with two similar cases, 30Mg and 34Si. Strong evidence that the reactions are direct is offered by the parallel-momentum distributions of the reaction residues and by the inclusive cross sections. The pattern of the partial cross sections for 28Mg suggests the presence of correlations. A preliminary theoretical discussion based on eikonal reaction theory and the many-body shell model is presented. The reaction holds great promise for the study of neutron-rich nuclei.