[1] Vietnam Acad Sci & Technol, Inst Phys, Hanoi, Vietnam
[2] Grad Univ Sci & Technol, Vietnam Acad Sci & Technol, Hanoi, Vietnam
[3] Iwate Med Univ, Cyclotron Res Ctr, Takizawa, Japan
[4] Vietnam Atom Energy Inst, Inst Nucl Sci & Technol, Hanoi, Vietnam
[5] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna, Russia
[6] Horia Hulubei Natl Inst R&D Phys & Nucl Engn, 30 Reactorului Str,MG 6, Bucharest, Magurele, Romania
[7] Ha Noi Natl Univ, Ha Noi Univ Sci, Fac Phys, Hanoi, Vietnam
[8] Vietnam Acad Sci & Technol, Ctr High Technol Dev, Hanoi, Vietnam
[9] Dalat Univ, Da Lat, Lam Dong, Vietnam
[10] VNUHCM Univ Sci, Ho Chi Minh City, Vietnam
[11] Natl Univ Laos PDR, Viangchan, Laos