Institute;
of;
Nuclear;
and;
Particle;
Physics,;
Astronomy;
and;
Cosmology;
(INPAC);
and;
Department;
of;
Physics;
and;
Astronomy,;
Shanghai;
Jiao;
Tong;
University,;
Shanghai;
200240,;
China;
of;
Mechanical;
Engineering,;
Shanghai;
Jiao;
Tong;
University,;
Shanghai;
200240,;
China;
of;
Physics;
and;
Key;
Laboratory;
of;
Particle;
Physics;
and;
Particle;
Irradiation;
(MOE),;
Shandong;
University,;
Jinan;
250100,;
China;
Institute;
of;
Applied;
Physics,;
Shanghai;
201800,;
China;
of;
Physics,;
University;
of;
Michigan,;
Ann;
Arbor,;
MI,;
48109,;
USA;
6;
School;
of;
Physics,;
Peking;
University,;
Beijing;
100080,;
China;
of;
Physics,;
Peking;
University,;
Beijing;
100080,;
China;
of;
Physics,;
University;
of;
Maryland,;
College;
Park,;
MD,;
20742,;
USA;
River;
Hydropower;
Development;
Company,;
Ltd.,;
Chengdu;
610051,;
China;