| Radius/mm | Diameter/mm | BaClBr(Eu) photon yield | NAI(Tl) photon yield | Difference in photon yield/% | BaClBr(Eu) source peak efficiency | NACI(Tl) source peak efficiency | Relative efficiency/% |
| 30 | 30 | 4.73 × 10−1 | 5.35 × 10−1 | −6.21% | 1.3 × 10−10 | 1.1 × 10−10 | 22.52% |
| 40 | 3.40 × 10−1 | 4.01 × 10−1 | −6.18% | 1.6 × 10−10 | 1.3 × 10−10 | 20.05% | |
| 50 | 2.40 × 10−1 | 3.00 × 10−1 | −6.05% | 1.8 × 10−10 | 1.5 × 10−10 | 18.17% | |
| 60 | 1.72 × 10−1 | 2.24 × 10−1 | −5.14% | 2 × 10−10 | 1.7 × 10−10 | 16.23% | |
| 70 | 1.22 × 10−1 | 1.69 × 10−1 | −4.65% | 2.1 × 10−10 | 1.8 × 10−10 | 15.44% | |
| 80 | 8.71 × 10−2 | 1.26 × 10−1 | −3.89% | 2.1 × 10−10 | 1.9 × 10−10 | 14.33% | |
| 90 | 6.26 × 10−2 | 9.41 × 10−2 | −3.15% | 2.2 × 10−10 | 1.9 × 10−10 | 13.35% | |
| 40 | 30 | 4.67 × 10−1 | 5.27 × 10−1 | −5.92% | 2.4 × 10−10 | 2 × 10−10 | 21.81% |
| 40 | 3.38 × 10−1 | 3.98 × 10−1 | −6.06% | 3 × 10−10 | 2.5 × 10−10 | 19.45% | |
| 50 | 2.42 × 10−1 | 3.01 × 10−1 | −5.96% | 3.4 × 10−10 | 2.9 × 10−10 | 18.19% | |
| 60 | 1.74 × 10−1 | 2.26 × 10−1 | −5.18% | 3.7 × 10−10 | 3.2 × 10−10 | 16.07% | |
| 70 | 1.24 × 10−1 | 1.71 × 10−1 | −4.69% | 4 × 10−10 | 3.5 × 10−10 | 15.07% | |
| 80 | 8.90 × 10−2 | 1.29 × 10−1 | −3.97% | 4.1 × 10−10 | 3.6 × 10−10 | 13.95% | |
| 90 | 6.39 × 10−2 | 9.67 × 10−2 | −3.27% | 4.3 × 10−10 | 3.8 × 10−10 | 12.63% | |
| 50 | 30 | 4.64 × 10−1 | 5.22 × 10−1 | −5.79% | 3.9 × 10−10 | 3.2 × 10−10 | 21.29% |
| 40 | 3.38 × 10−1 | 3.97 × 10−1 | −5.89% | 4.8 × 10−10 | 4.1 × 10−10 | 19.25% | |
| 50 | 2.44 × 10−1 | 3.03 × 10−1 | −5.94% | 5.6 × 10−10 | 4.7 × 10−10 | 17.95% | |
| 60 | 1.76 × 10−1 | 2.30 × 10−1 | −5.33% | 6.1 × 10−10 | 5.2 × 10−10 | 15.90% | |
| 70 | 1.26 × 10−1 | 1.74 × 10−1 | −4.79% | 6.5 × 10−10 | 5.6 × 10−10 | 14.84% | |
| 80 | 9.14 × 10−2 | 1.32 × 10−1 | −4.03% | 6.8 × 10−10 | 5.9 × 10−10 | 13.62% | |
| 90 | 6.58 × 10−2 | 9.98 × 10−2 | −3.41% | 7 × 10−10 | 6.2 × 10−10 | 12.55% | |
| 60 | 30 | 4.60 × 10−1 | 5.18 × 10−1 | −5.84% | 5.7 × 10−10 | 4.6 × 10−10 | 21.86% |
| 40 | 3.37 × 10−1 | 3.96 × 10−1 | −5.94% | 7.1 × 10−10 | 5.9 × 10−10 | 19.40% | |
| 50 | 2.44 × 10−1 | 3.04 × 10−1 | −5.93% | 8.1 × 10−10 | 6.9 × 10−10 | 18.03% | |
| 60 | 1.77 × 10−1 | 2.31 × 10−1 | −5.32% | 8.9 × 10−10 | 7.7 × 10−10 | 16.04% | |
| 70 | 1.28 × 10−1 | 1.76 × 10−1 | −4.76% | 9.5 × 10−10 | 8.3 × 10−10 | 14.87% | |
| 80 | 9.26 × 10−2 | 1.34 × 10−1 | −4.10% | 1 × 10−9 | 8.8 × 10−10 | 13.57% | |
| 90 | 6.66 × 10−2 | 1.02 × 10−1 | −3.50% | 1 × 10−9 | 9.1 × 10−10 | 12.63% |