The Hole State by the Reactions 40Ca(p, d)39Ca, 52Cr(p, d)51Cr and 60Ni(p, d)59Ni

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Abstract
Deuterons from (p, d) reactions on 40 Ca, 52 Cr and 60 Ni were investigated by using 55 MeV proton beam from the INS synchrocyclotron. Deuterons were analyzed by a broad range magnetic analyzer coupled with a pair of quadrupole magnets and were detected with forty fold proportional counters followed by a plastic scintillator. Predominant deuteron groups were observed corresponding to the single hole states of neutrons in 39 Ca, 51 Cr and 59 Ni. Angular distributions of the deuteron groups were analyzed in terms of the distorted wave Born approximation. Fairly good agreements between the calculation and the experiments were obtained for the angular distributions and the spectroscopic factors. Brief discussions on the properties of the hole states and the binding energies are presented.