Theoretical hyperfine splittings of Be2+7,9 ions for future studies of nuclear propertiesRemoveXiao-Qiu Qi, Pei-Pei Zhang, Zong-Chao Yan, Ting-Yun Shi, G. W. F. Drake, Ai-Xi Chen, and Zhen-Xiang ZhongPhys. Rev. A 107, L010802 (2023)