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The energies and yields of the $5g\\rightarrow4f$ and $4f\\rightarrow3d$ transitions were determined for both boron isotopes, kaonic $^{10}\\text{B}$ and kaonic $^{11}\\text{B}$. For the $5g\\rightarrow4f$ transition, the measured energies are $7064.62 \\pm 16.93\\,\\text{(stat.)} \\pm 2.00\\,\\text{(sys.)}$~eV for kaonic $^{11}\\text{B}$ and $6920.96 \\pm 58.23\\,\\text{(stat.)} \\pm 2.00\\,\\text{(sys.)}$~eV for kaonic $^{10}\\text{B}$. 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