Dual-Platform Precision Measurement of the $3^2{D}_{5/2}$ to $4^2{S}_{1/2}$ $g$-Factor Ratio in ${}^{40}{\text{Ca}}^{+}$

Brian J. McMahon, Vikram S. Sandhu, John M. Gray +3

We report precision measurements of the ratio of Landé $g$ factors between the $3^2{D}_{5/2}$ and $4^2{S}_{1/2}$ states of a single trapped ${}^{40}{\text{Ca}}^{+}$ ion. The measurements ar…