1. Department of Physics, College of Science Sultan Qaboos University Muscat Sultanate of Oman
2. Research Laboratory on Energy and Matter for Nuclear Science Development (LR16CNSTN02) National Center for Nuclear Sciences and Technologies Tunis Tunisia
3. Department of Physics, Theoretical Physics Group University of Port Harcourt Port Harcourt Nigeria
4. Department of Physics University of South Africa Johannesburg South Africa
5. Department of Physics Akwa Ibom State University Uyo Nigeria