Chinese Acad Sci;
Inst High Energy Phys;
Beijing 100864;
Peoples R China;
Alexander von Humboldt Fdn;
Berlin;
Germany;
Univ Cologne;
Cologne;
Germany;
Tohoku Univ;
Sendai;
Miyagi 980;
Japan;
Shanghai Jiao Tong Univ;
Sch Nucl Sci & Technol;
Natl People Program 1000;
Shanghai;
Peoples R China;