Precision calculation of hyperfine structure of ${}^{7,9}$Be${}^{2+}$ ions

Xiao-Qiu Qi, Pei-Pei Zhang, Zong-Chao Yan +4

The hyperfine structures of the $2{}^3{S}_1$ and $2{}^3{P}_J$ states of the ${}^7$Be${}^{2+}$ and ${}^9$Be${}^{2+}$ ions are investigated within the framework of the nonrelativistic quantu…