Highly excited hole strength observed in theZr90(p→, d)Zr89reaction

The ${}_{}{}^{90}{}_{}{}^{}\mathrm{Zr}(\overrightarrow{\mathrm{p}}, \mathrm{d}){}_{}{}^{89}{}_{}{}^{}\mathrm{Zr}$ reaction has been studied at $E_{\mathrm{p}}=90\mathrm{}$ MeV. Using analyzing power measurements, gross structures observed between $E_x\sim 3.4$ and $E_x\sim 7.0$ MeV are deduced to arise mainly from the pickup of $1f_{\frac{5}{2}}$ neutrons. Between 7.0 and 19 MeV, the main strength comes from the $1f_{\frac{7}{2}}$ transfer although $1d_{\frac{3}{2}}$ strength has also been observed between 16.0 and 20.0 MeV of excitation energy.