High-Lying Proton Strengths Observed in Stripping Reactions

Abstract

Strong transitions to high-lying proton states are observed for the first time in the study of the ($\ensuremath{\alpha}, t$) and ($^{3}\mathrm{He}$, $d$) reactions on $^{144}\mathrm{Sm}$ at 80- and 240-MeV incident energy, respectively. The excitation energies, angular distributions, and strengths of these states suggest that they arise from proton stripping to high-spin outer subshells, e.g., $1{h}_{\frac{9}{2}}$ and $1{i}_{\frac{13}{2}}$.

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