Ti-50(D, P) Ti-51: Single-Neutron Energies In The N=29 Isotones, And The N=32 Subshell Closure

A measurement of the Ti-50(d, p) Ti-51 reaction at 16 MeV was performed using the Super Enge Split-Pole Spectrograph to measure the magnitude of the N = 32 subshell gap in Ti. Seven states were observed that had not been observed in previous (d,p) measurements, and the L transfer values for six previously measured states were either changed or measured for the first time. The results were used to determine single neutron energies for the p(3/2), p(1/2), and f(5/2) orbitals. The resulting single neutron energies in Ti-51 confirm the existence of the N = 32 gap in Ti. These single neutron energies and those from previous measurements in Ca-49, Cr-53, and Fe-55 are compared to values from a covariant density functional theory calculation.