New Nuclear Magnetic Moment of ${}^{209}$Bi - Resolving the Bismuth Hyperfine Puzzle

Leonid V. Skripnikov, Stefan Schmidt, Johannes Ullmann +9

A recent measurement of the hyperfine splitting in the ground state of Li-like ${}^{209}$Bi${}^{80+}$ has established a "hyperfine puzzle" -- the experimental result exhibits a 7$\sigma$ de…