Zero crossings of the differential scalar polarizability of Ba${}^{+}$ clock transition

N Jayjong, M D K Lee, K J Arnold +1

The differential scalar polarizability $\hat{I}”\hat{I}{\pm }_0(\ddot{I}‰)$ of the Ba${}^{+}$ S${}_{1/2}$-to-D${}_{5/2}$ clock transition has a zero crossing near 481nm, which is measured to be 623.603\,13(17)\,T…