Absolute measurement of the relativistic magnetic dipole transition in He-like sulfur

Jorge Felizardo Dias Cunha Machado, Nancy Paul, Gabrielle Soum-Sidikov +5

We have made the first absolute, reference-free measurement of the 1s2s 3 S1 $\to$ 1s 2 1 S0 relativistic magnetic dipole transition in He-like sulfur. The highly-charged S…