1. Institute of Modern Physics, Fudan University , Shanghai 200433 , China
2. Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Fudan University , Shanghai 200433 , China
3. Tongji University School of Medicine Department of Radiation Oncology, , Shanghai Pulmonary Hospital, Shanghai 200433 , China
4. Shanghai Proton and Heavy Ion Center , Shanghai 201321 , China
5. Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Fudan University , Shanghai 200433, China