Widatallah, H.M.
Department of Physics, College of Science, Sultan Qaboos University, 123 Muscat, Oman
hishammw@squ.edu.om; Gismelseed, A.M.
Department of Physics, College of Science, Sultan Qaboos University, 123 Muscat, Oman; Elzain, M.E.
Department of Physics, College of Science, Sultan Qaboos University, 123 Muscat, Oman; Al-Mamari, F.A.S.
Department of Physics, College of Science, Sultan Qaboos University, 123 Muscat, Oman; Al-Omari, I.A.
Department of Physics, College of Science, Sultan Qaboos University, 123 Muscat, Oman; Al-Saqri, N.A.M.
Department of Physics, College of Science, Sultan Qaboos University, 123 Muscat, Oman; Alhaj, A.F.
Department of Physics, Qasim University, Al-Qasim, Saudi Arabia; Al-Shahumi, T.M.H.
Department of Physics, College of Science, Sultan Qaboos University, 123 Muscat, Oman; Abo El Ata, A.M.
Department of Physics, Faculty of Science, Tanta University, Tanta, Egypt
(2015-01-13)