First study of the level structure of the r-process nucleus83Ge

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The first (d,p) neutron transfer reaction on a neutron-rich r-process nucleus has been measured at the Holifield Radioactive Ion Beam Facility. The 2H(82Ge, p)83Ge reaction was studied by bombarding a 430-μg/cm2 (CD2)n target with a 330-MeV beam of radioactive 82Ge. The reaction Q value (Q = 1.47 ± 0.02 stat. ±0.07 sys. MeV) has been measured leading to the first determination of the mass of the N = 51 nucleus 83Ge. Excitation energies, angular distributions, and spectroscopic factors for the first two states of 83Ge have also been determined. ©2005 The American Physical Society.

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Physical Review C - Nuclear Physics

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