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Authors: |
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H. M. Abou-Elsebaa - Physics Department, College of Science, Taibah University, Medina 41411, Saudi Arabia\\ Physics Department, Faculty of Science, Sohag University, Sohag 82524, Egypt
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E. M. Darwish - Physics Department, College of Science, Taibah University, Medina 41411, Saudi Arabia\\ Physics Department, Faculty of Science, Sohag University, Sohag 82524, Egypt
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