1. Radioactive Waste Management Department, Hot Laboratory Center, Atomic Energy Authority, P.O.13759, Cairo, Egypt , Tel.: +2 01200301939, Fax: +2 4620806
2. Experimental Physics Department, Nuclear Research Center, Atomic Energy Authority, 13759, Cairo, Egypt
3. Elettra, Sincrotrone Trieste, Strada Statale 14 – km 163,5 in AREA Science Park, 34149 Basovizza, Trieste, Italy
4. Nuclear Chemistry Department, Hot Laboratory Center, Atomic Energy Authority, P.O. 13759, Cairo, Egypt