1. Department of Biomedical Engineering; Pamukkale University; Denizli TR-20070 Turkey
2. Faculty of Physics; University of Duisburg-Essen; Essen D-45141 Germany
3. Department of Physics; Akdeniz University; TR-07058 Antalya Turkey
4. Department of Physics; Uludag University; TR-16050 Bursa Turkey
5. Roketsan; TR- 06780 Ankara Turkey
6. Helmholtz-Zentrum Dresden-Rossendorf; Institut für Ionenstrahlphysik und Materialforschung; Dresden Germany