1. Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Shanghai 200240, China
2. INPAC and School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai Laboratory for Particle Physics and Cosmology, Shanghai 200240, China
3. Shanghai Jiao Tong University Sichuan Research Institute, Chengdu 610000, China
4. Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai 200240, China
5. School of Physics, Nankai University, Tianjin 300071, China
6. Department of Physics, University of Maryland, College Park, Maryland 20742, USA
7. Yalong River Hydropower Development Company, Ltd., 288 Shuanglin Road, Chengdu 610051, China