Affiliation: | 1.Nhatrang Institute of Technology Research and Application, Vietnam Academy of Science and Technology, Ha Noi, Vietnam ;2.Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Moscow, Russia ;3.Institute of Physics, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam ;4.Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam ;5.Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, 30 Reactorului Str. MG-6, Bucharest - Magurele, Romania ;6.Faculty of Physics and Nuclear Engineering, Dalat University, Da Lat, Vietnam ; |