Table 5 Compton-to-peak ratio calculated from the simulation of 155Tb γ-ray spectra, obtained for 100%, 99% and 98% enrichment of 155Gd targets, at the EoB and 96 h later
From: 155Tb production by cyclotrons: what level of 155Gd enrichment allows clinical applications?
Peak energy (keV) | Compton-to-peak ratio EoB | Compton-to-peak ratio 96 h | ||||
|---|---|---|---|---|---|---|
100% 155Gd | 99% 155Gd | 98% 155Gd | 100% 155Gd | 99% 155Gd | 98% 155Gd | |
88.5 | 19.44% | 20.99% | 22.59% | 18.89% | 21.52% | 22.61% |
167 | 10.24% | 14.54% | 19.06% | 8.91% | 15.95% | 19.32% |
262 | 5.84% | 16.12% | 26.9% | 1.71% | 19.8% | 26.55% |