1. National Superconducting Cyclotron Laboratory, East Lansing, Michigan 48824, USA
2. Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824,
USA
3. RIKEN Nishina Center, Hirosawa 2-1,
Wako, Saitama 351-0198, Japan
4. Cyclotron Institute, Texas A&M University, College Station, Texas 77843, USA
5. Department of Physics, Kyoto University, Kita-shirakawa, Kyoto 606-8502, Japan
6. Department of Physics, Korea University, Seoul 02841, Republic of Korea
7. Department of Physics, Western Michigan University, Kalamazoo, Michigan 49008, USA
8. Department of Physics, Tohoku University, Sendai 980-8578, Japan
9. Institute of Nuclear Physics PAN,
ul. Radzikowskiego 152, 31-342 Kraków, Poland
10. Gran Sasso National Laboratory–INFN, Via G. Acitelli 22, 67100 Assergi, L’Aquila AQ,
Italy
11. Department of Physics, Tsinghua University, Beijing 100084, People’s Republic of China