1. Department of Physics, College of Sciene and Humanities in Jubail, Imam Abdulrahman Bin Faisal University, Jubail, Saudi Arabia
2. Radiation Physics Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt
3. Radiation Protection and Dosimetry Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt
4. Physics Department, Faculty of Science, Helwan University in Cairo, Cairo, Egypt