Abstract
The ${\mathrm{Cr}}^{52}(d,p){\mathrm{Cr}}^{53}$ stripping reaction has been studied at incident deuteron energies below the Coulomb barrier. The differential cross sections of proton groups corresponding to the ground and excited states of ${\mathrm{Cr}}^{53}$ up to approximately 4.7-MeV excitation have been measured at ${E}_{d}=3.01$ MeV between 7.5 and 172.5 deg, and excitation functions for selected proton groups were measured between ${E}_{d}=2.5 \mathrm{and} 3.25$ MeV. As the proton energy goes below the Coulomb barrier, the proton angular distributions shift from forward to backward peaked distributions charactristic of Coulomb stripping. Distorted-wave Born-approximation analysis of the data indicates that in the Coulomb stripping region the absolute cross sections and angular distributions are very insensitive to the exact form of the optical-model potential parameters used to calculate the deuteron- and proton-scattering wave functions, as well as to the use of radial cutoffs in the numerical integration procedures. Reduced width factors have been calculated.
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