Precision measurement of branching fractions of ${}^{138}$Ba${}^{+}$: Testing many body theories below one percent level

D. De Munshi, T. Dutta, R. Rebhi +1

The branching fractions from the excited state $6P_{1/2}$ of singly charged barium ion has been measured with a precision $0.05$ in an ion trap experiment. This measurement along…