1. Radiation Protection & Civil Defense Department, Egyptian Atomic Energy Authority (EAEA), Nuclear Research Center, Abu Zaabal, Egypt
2. Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, Russian Federation
3. Faculty of Physics, Department of Structure of Matter, Earth and Atmospheric Physics and Astrophysics, University of Bucharest, Magurele, Romania
4. Faculty of Science, Department of Physics, Menoufia University, Shibin El-koom, Egypt
5. Center of Applied Radiation Science and Technology, North-West University, Mmabhato, South Africa