A Systematic Study Of The Elastic Scattering Reaction ²⁷ Al(d,d) ²⁷ Al and The Effect Of The Imaginary Potential On The Reaction Cross Sections

A systematic study of the elastic scattering of deuterons from the 27 Al target has been performed over a wide range of incident deuteron beam energies (5 to 85 MeV). The experimental angular distributions obtained from the elastic scattering reaction 27 Al(d,d) 27 Al were analyzed using the double-folding São Paulo potential (SPP) ,1, 2 where double folding potentials were generated using the average matter and charge density. The experimental angular distributions were also analyzed using the modified São Paulo potential (SPP2), which employs realistic deuteron matter and charge density distributions, within the nuclear reaction code REGINA. 3 The sensitivity of the elastic scattering angular distributions of deuterons at each energy was investigated, and relevant potential parameters (Real, N r & Imaginary, N i normalization parameters) as well as total reaction cross sections were extracted. The energy dependence of N r and N i was parameterized phenomenologically.Good agreement was obtained between the theoretical angular distributions of the cross sections and the experimental angular distributions for the same. The extracted potential parameters were found to follow a systematic energy dependence. The SPP and SPP2 potentials were found to successfully describe deuteron elastic scattering angular distributions and provide useful constraints on the energy dependence of deuteron optical model potentials over a broad energy range.