Measurements of vector analyzing power have been carried out for the (d→,t) reaction on targets of ${}_{}{}^{54}{}_{}{}^{}\mathrm{Cr}$, ${}_{}{}^{56}{}_{}{}^{}\mathrm{Fe}$, and ${}_{}{}^{64}{}_{}{}^{}\mathrm{Ni}$ at deuteron energies of 15, 16, and 18 MeV. Data were taken over the angular range 10°–55° for transitions to low-lying states of ${\mathit{J}}^{\mathrm{\pi }}$=(1/2,3/2, 5) / 2 ,7/2${)}^{\mathrm{-}}$ using a position-sensitive counter telescope in the focal plane of an Enge spectrograph. Transitions to states of ${\mathit{j}}^{\mathrm{\pi }}$=3/$2^{\mathrm{-}}$ or 7/$2^{\mathrm{-}}$ show only slight dependence on incident energy, while those to states of ${\mathit{j}}^{\mathrm{\pi }}$=1/$2^{\mathrm{-}}$ or 5/$2^{\mathrm{-}}$ show a greater dependence, and greater variations between different states. Distorted-wave Born approximation calculations show at best qualitative agreement with the data. The results indicate that measurements of VAP for the (d→,t) reaction at low energies will not provide accurate estimates of j mixing for transitions on odd-A targets.

• Received 23 January 1991

DOI:https://doi.org/10.1103/PhysRevC.44.319