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TY - CONF AU - Kassim, H.A. AU - Akhdar, H.F. AU - Alrumayan, F.M. AU - Hendy, A.M. ED - Conradie, Lowry ED - De Villiers, John Garrett ED - Schaa, Volker RW TI - Feasibility Study for Converting the CS-30 Into a Variable Energy Cyclotron for Isotopes Production Using the Internal Target System J2 - Proc. of Cyclotrons2019, Cape Town, South Africa, 23-27 September 2019 CY - Cape Town, South Africa T2 - International Conference on Cyclotrons and their Applications T3 - 22 LA - english AB - This paper reports a method to reduce the beam energy of the CS-30 cyclotron from 26.5 up to 10 MeV using the internal target system in CS-30 cyclotrons for isotopes production. Irradiation of solid targets, in this type of cyclotrons, take place when the target is positioned horizontally inside the cyclotron tank. In its final position, the target plate interrupts the beam from completing its orbit and nuclear reactions take place. Calculations are made to determine the beam energy as a function of radius. Verification of the new method was achieved by producing pure Ga-68 at an energy level of 11.5 MeV. PB - JACoW Publishing CP - Geneva, Switzerland SP - 212 EP - 214 KW - target KW - cyclotron KW - radiation KW - proton KW - extraction DA - 2020/06 PY - 2020 SN - 978-3-95450-205-9 DO - doi:10.18429/JACoW-Cyclotrons2019-TUP025 UR - http://jacow.org/cyclotrons2019/papers/tup025.pdf ER -