1. School of Physics, Peking University, Beijing 100871, China
2. Collaborative Innovation Center of Quantum Matter, Beijing 100871, China
3. Center for High Energy Physics, Peking University, Beijing 100871, China
4. Institut für Kernphysik, Johannes Gutenberg-Universität, J.J. Becher-Weg 45, 55128 Mainz, Germany
5. PRISMA+ Cluster of Excellence, Johannes Gutenberg-Universität, Mainz, Germany
6. Department of Physics, University of Connecticut, Storrs, Connecticut 06269, USA
7. RIKEN-BNL Research Center, Brookhaven National Laboratory, Building 510, Upton, New York 11973
8. Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506, USA
9. Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
10. Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA
11. Department of Physics, University of Washington, Seattle, Washington 98195-1560, USA