The polarization-transfer coefficient $D_{{\mathrm{nn}}^{\prime }}$ in the elastic scattering of 150-MeV protons from ${}^{11}\mathrm{B}$ has been measured in the angular range $5°<{\theta }_{\mathrm{c}.\mathrm{m}.\mathrm{}}<31\mathrm{}°.$ Significant deviations of $D_{{\mathrm{nn}}^{\prime }}$ from unity are observed starting around a center-of-mass scattering angle of $23°.$ The observed angular variation of $D_{{\mathrm{nn}}^{\prime }}$ is analyzed using phenomenological and microscopically generated optical-model potentials to describe the monopole attributes of elastic scattering and to generate the distorted waves used in a distorted-wave approximation evaluation of nonzero multipole contributions to the elastic scattering process. The same approach is used to analyze datasets of $D_{{\mathrm{nn}}^{\prime }}$ in elastic scattering from ${}^{13}\mathrm{C}$ and off ${}^{15}\mathrm{N},$ which are available in the literature. The agreement of the fully microscopic analysis with the data is comparable or, in the case of ${}^{11}\mathrm{B},$ slightly better than what is achieved with conventional phenomenological optical-model calculations.

• Received 27 November 2002

DOI:https://doi.org/10.1103/PhysRevC.67.054321