1. Physics Department – Cyclotron Facility, Nuclear Research Centre, Atomic Energy Authority, Cairo, Postal Code 13759, Egypt
2. Physics Department – Cyclotron Facility, Nuclear Research Centre, Atomic Energy Authority, Cairo, Postal Code 13759, Egypt , Tel.: +2 02 446 91 743, Fax: +2 02 46 220 086
3. Institute of Nuclear Research, Hungarian Academy of Sciences (ATOMKI), Debrecen, Hungary