Abstract
The cross section of the reaction $^{112}\mathrm{Sn}$($\ensuremath{\alpha},\ensuremath{\gamma})^{116}\mathrm{Te}$ has been measured in the energy range of astrophysical interest for the $p$-process. Highly enriched self-supporting $^{112}\mathrm{Sn}$ foils were bombarded with \ensuremath{\alpha} beams in the effective center of mass energy range from 7.59 to 11.42 MeV at the Notre Dame FN Tandem Van de Graaff accelerator. The characteristic activity of $^{116}\mathrm{Te}$ was counted with a pair of large volume Ge clover detectors in close geometry to maximize the detection efficiency. The cross section of the concurrent ($\ensuremath{\alpha},p$) reaction has also been measured. The results are compared with statistical model predictions for different global \ensuremath{\alpha}-nucleus potentials.
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