Abstract
The $^{198}\mathrm{Pt}$+$^{13}\mathrm{C}$\ensuremath{\rightarrow}$^{211}\mathrm{Po}$+$\ensuremath{\gamma}$ heavy-ion radiative capture reaction was investigated at 60 and 57 MeV bombarding energies using a rabbit system to search for delayed $\ensuremath{\alpha}$ particles from the ${T}_{\frac{1}{2}}=25.5$ s isomeric state in $^{211}\mathrm{Po}$. A cross section $\ensuremath{\sigma}\ensuremath{\lesssim}1$ nb is reported for the total radiative capture cross section averaged over the center of mass energy range ${E}_{\mathrm{c}.\mathrm{m}.}\ensuremath{\sim}49\ensuremath{-}54$ MeV. This result is consistent with statistical model calculations.NUCLEAR REACTIONS $^{198}\mathrm{Pt}$+$^{13}\mathrm{C}$, $E=57\ensuremath{-}60$ MeV; measured upper limit for radiative capture cross section to ${T}_{\frac{1}{2}}=25.5$ s isomeric state in $^{211}\mathrm{Po}$; calculated cross sections. Enriched targets. Si surface barrier detector.
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