Zixiong ZHANG, Kaixuan LI, Qianglin WEI, Yibao LIU, Qintuo ZHANG. Simulation study of medical isotope production using electron accelerator-driven photoneutron source[J]. NUCLEAR TECHNIQUES, 2024, 47(9): 090203
- NUCLEAR TECHNIQUES
- Vol. 47, Issue 9, 090203 (2024)
Fig. 1. Photon energy spectrum of Tungsten target
Fig. 2. Photonuclear reaction cross-section of 100Mo
Fig. 3. Cross-sections of 100Mo, 98Mo, 176Lu and 89Y
Fig. 4. Diagram of geometric modeling of 100Mo neutron source
Fig. 5. Neutron flux on the surface of tungsten shell under various 100Mo specifications
Fig. 6. Distribution of 99Mo after 8 h irradiation
Fig. 7. Neutron energy spectrum on the surface of tungsten shell (target: R=0.3 cm, H=1.4 cm）
Fig. 8. Production of 99Mo under different irradiation times
Fig. 9. Diagram of geometric model for photoneutron irradiation production
Fig. 10. Isotope activity changes with the thickness of the moderated layer
Fig. 11. Neutron energy spectrum of the interface between the moderated layer and oxide
Fig. 12. Isotope production under different irradiation times
Fig. 13. Activity changes of medical isotopes 177Lu (a), 99Mo (b), 90Y (c) after irradiation
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Table 1. The radioisotopes found in natural MoO3 (irradiation: 24 h at 35 MeV and 2 mA, decay time: 1 h)
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Table 2. The radioisotopes found in natural Lu2O3 (irradiation: 24 h at 35 MeV and 2 mA, decay time: 1 h)
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Table 3. The radioisotopes found in natural Y2O3 (irradiation: 24 h at 35 MeV and 2 mA, decay time: 1 h)
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