NUCLEAR TECHNIQUES, Volume. 47, Issue 9, 090203(2024)

Simulation study of medical isotope production using electron accelerator-driven photoneutron source

Zixiong ZHANG1...2, Kaixuan LI1,2, Qianglin WEI1,2, Yibao LIU1,2,3,*, and Qintuo ZHANG12 |Show fewer author(s)
Author Affiliations
  • 1(Engineering Research Center of Nuclear Technology Application, Ministry of Education (East China University of Technology), Nanchang 330013, China)
  • 2School of Nuclear Science and Engineering, East China University of Technology, Nanchang 330013, China
  • 3Engineering Technology Research Center of Nuclear Radiation Detection and Application, Nanchang 330013, China
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    Figures & Tables(16)
    Photon energy spectrum of Tungsten target
    Photonuclear reaction cross-section of 100Mo
    Cross-sections of 100Mo, 98Mo, 176Lu and 89Y
    Diagram of geometric modeling of 100Mo neutron source
    Neutron flux on the surface of tungsten shell under various 100Mo specifications
    Distribution of 99Mo after 8 h irradiation
    Neutron energy spectrum on the surface of tungsten shell (target: R=0.3 cm, H=1.4 cm)
    Production of 99Mo under different irradiation times
    Diagram of geometric model for photoneutron irradiation production
    Isotope activity changes with the thickness of the moderated layer
    Neutron energy spectrum of the interface between the moderated layer and oxide
    Isotope production under different irradiation times
    Activity changes of medical isotopes 177Lu (a), 99Mo (b), 90Y (c) after irradiation
    • 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 1. The radioisotopes found in natural MoO3 (irradiation: 24 h at 35 MeV and 2 mA, decay time: 1 h)

      核素

      Nuclide

      活度Activity/ Bq

      占比Proportion

      X/99Mo / %

      半衰期

      Half-life

      99Mo6.45×101165.92 h
      101Mo2.05×10103.17814.61 m
      93Mom1.05×1012162.7916.85 h
      91Mo7.83×101012.14015.49 m
      90Mo5.75×1090.8915.56 h
      97Nb4.24×1090.65772.10 m
      96Nb4.33×1090.67123.35 h
      95Nb9.05×1070.01434.99 d
      95Nbm7.33×1080.1143.61 d
      91Nb7.25×1060.001680 a
      91Nbm1.24×10101.92260.86 d
      90Nb3.64×10105.64314.6 h
      95Zr7.40×1041.147×10-564.03 d
      88Zr4.91×1070.00883.4 d
    • 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 2. The radioisotopes found in natural Lu2O3 (irradiation: 24 h at 35 MeV and 2 mA, decay time: 1 h)

      核素

      Nuclide

      活度Activity/ Bq

      占比Proportion

      X/177Lu / %

      半衰期

      Half-life

      177Lu6.74×101165.92 h
      174Lu1.03×10101.5283.31 a
      173Lu4.78×1090.7091.37 a
      172Lu1.70×10102.5226.70 d
      172Lum1.22×1060.000 23.70 m
      174Lum8.68×101012.878142 d
      176Lum1.66×10132 462.9083.66 h
    • 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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      Table 3. The radioisotopes found in natural Y2O3 (irradiation: 24 h at 35 MeV and 2 mA, decay time: 1 h)

      核素

      Nuclide

      活度Activity / Bq

      占比Proportion

      X/90Y / %

      半衰期

      Half-life

      90Y2.11×101265.92 h
      88Y1.35×10116.3892 559.096 h
      87Y5.29×10102.50779.80 h
      87Ym1.31×10116.20913.37 h
      87Srm1.22×10100.5782.81 h
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    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

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    Paper Information

    Category: ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS

    Received: Aug. 14, 2023

    Accepted: --

    Published Online: Nov. 13, 2024

    The Author Email:

    DOI:10.11889/j.0253-3219.2024.hjs.47.090203

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