1. iThemba LABS, P.O. Box 722, Somerset West 7129, South Africa
2. State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
3. School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
4. Department of Physics, University of Stellenbosch, Stellenbosch, South Africa
5. Department of Physics and Electronics, Rhodes University, Grahamstown 6410, South Africa
6. School of Physical Science and Technology, Southwest University, Chongqing 400715, China
7. Department of Physics, Beijing Normal University, Beijing 100875, China
8. Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Shandong University, Weihai 264209, China
9. Department of Physics, Tsinghua University, Beijing 100084, China
10. Collaborative Innovation Center of Quantum Matter, Beijing, China