We report measurements of the branching fraction, hyperfine constant, and second-order Zeeman coefficient of the $D_{5/2}$ level in ${}^{171}\mathrm{Yb}^{+}$ with up to a two-orders-of-magnitude reduction in uncertainty compared to previously reported values. We estimate the electric quadrupole reduced matrix element of the $S_{1/2}\leftrightarrow D_{5/2}$ transition to be 12.5(4) $e{a}_0^2$. Furthermore, we determine the transition frequency of the $F_{7/2}\leftrightarrow {}^{1}D{[3/2]}_{3/2}$ at 760 nm with a $\sim$25-fold improvement in uncertainty. These measurements provide benchmarks for quantum-many-body atomic-physics calculations and provide valuable data for efforts to improve quantum information processors based on ${}^{171}{\text{Yb}}^{+}$.

中文翻译：

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Yb+171 中 D5/22 状态和二次塞曼系数的精度表征

我们报告了分支分数、超精细常数和二阶塞曼系数的测量值 $D_{5/2}$ 水平 ${}^{171}镝^{+}$与先前报告的值相比，不确定性降低了两个数量级。我们估计电四极减少矩阵元素${秒}_{1/2}\leftrightarrow D_{5/2}$ 过渡到 12.5(4) $\mathrm{电子}{\mathrm{一种}}_0^2$. 此外，我们确定了$F_{7/2}\leftrightarrow {}^{1}D{[3/2]}_{3/2}$ 在 760 nm 处 $～$不确定性提高了 25 倍。这些测量为量子多体原子物理计算提供了基准，并为改进基于量子信息处理器的努力提供了有价值的数据。${}^{171}{\text{镝}}^{+}$.