Fusion in neutron-rich environments is presently a topic of considerable interest. Experiments for an isotopic chain allow systematic exploration of the dependence of fusion on neutron number. In addition, the role of unpaired nucleons on fusion can be studied by measurement of the fusion cross-section near closed shells. Measurements of the fusion cross-section for 39,45,47K+16O and 36,44Ar+16O for E/A = 2-3 MeV/A were conducted at NSCL’s ReA3 facility. The measured fusion cross-sections allow to study fusion away from the closed N=20 and N=28 shells and explore the role of the unpaired proton. Details of the experimental technique using E-TOF will be shown. Results yielding the experimental fusion excitation functions and comparison to theoretical models will also be presented.

Fusion for neutron-rich nuclei around the N=20 and N=28 shell closures

ACS Fall 2021

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