1 Shanghai Institute of Applied Physics, Chinese Academy of
Sciences, Shanghai 201800, China 2 University of the Chinese Academy of Sciences,
Beijing 100080, China 3 Key Laboratory of Nuclear Physics and Ion-Beam
Application (MOE), Institute of Modern Physics, Fudan
University, Shanghai 200433, China 4 Shanghai Advanced Research Institute, Chinese Academy of
Sciences, Shanghai 201210, China 5 College of Physics and Electronics Information, Inner
Mongolia University for Nationalities, Tongliao 028000,
China 6 Cyclotron Institute, Texas A&M University, College Station,
TX 77843, USA 7 Laboratori Nazionali del Sud, INFN, via Santa Sofia, 62,
95123 Catania, Italy
This work was partially supported by the Strategic Priority Research
Program of the Chinese Academy of Sciences (Nos. XDB16 and
XDPB09), the National Natural Science Foundation of China (Nos.
11890714 and 11421505), and the Key Research Program of Frontier
Sciences of the CAS (No. QYZDJ-SSW-SLH002).