Abstract
With a high energy-resolution of $\ensuremath{\Delta}E=21$ keV in the $^{34}\mathrm{S}$($^{3}\mathrm{He}$$,t$)$^{34}\mathrm{Cl}$ measurement at $0\ifmmode^\circ\else\textdegree\fi{}$ and at 140 MeV/nucleon, strengths of Fermi and Gamow-Teller (GT) transitions between ${T}_{z}=+1$ and ${T}_{z}=0$ states were studied, where ${T}_{z}$ is the $z$ component of isospin $T$. The corresponding isospin-symmetric transitions connecting ${T}_{z}=\ensuremath{-}1$ and ${T}_{z}=0$ states can be studied in the $^{34}\mathrm{Ar}$ ${\ensuremath{\beta}}^{+}$ decay. The strengths of corresponding GT transitions were compared up to the excitation energy (${E}_{x}$) of 3.1 MeV. A good agreement was observed for the two strong transitions to states around ${E}_{x}=3$ MeV, while a disagreement of 40% was observed for a weaker transition to a low-lying state.
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