Search for entrance-channel effects in the production of superdeformed nuclei

In order to test whether entrance-channel effects influence the production of superdeformed nuclei, the yields of the discrete superdeformed band in ${}_{}{}^{152}{}_{}{}^{}\mathrm{Dy}$ are compared for three projectile-target combinations. No evidence for entrance-channel effects is found. Rather, the population of this band seems to be determined by the excitation energy and maximum angular momentum brought in by each reaction.