Precision measurement of the magnetic octupole moment in ${}^{45}$Sc as a test for state-of-the-art atomic- and nuclear-structure theory

R. P. de Groote, J. Moreno, J. Dobaczewski +4

We report on measurements of the hyperfine $A,B$ and $C$-constants of the $3d4s^2{}^2{D}_{5/2}$ and $3d4s^2{}^2{D}_{3/2}$ atomic states in ${}^{45}$Sc. High-precision atomic calculation…