Experiment Science and Technology, Volume. 23, Issue 3, 100(2025)

Experimental Teaching Research on Measuring the Half-Life of Radionuclides by the Thermal Neutron Activation Method

Xue QIN, Xiulian CHEN, and Jun LIU*
Author Affiliations
  • College of Physics, Sichuan University, Chengdu 610064, China
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    Figures & Tables(11)
    • Table 1. [in Chinese]

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      Table 1. [in Chinese]

      核素丰度/%σth/b放射性核半衰期主要射线及能量/MeV
      115In95.72161.00116mIn54.10 mβ(1.01)γ(1.294,1.097,0.417等)
      47.00116In14.20 sβ(3.29)
      113In4.283.00114In71.90 sβ(1.98)
      5.00114mIn49.50 dγ(0.190)X(0.0242
      197Au100.0096.00198Au2.70 dβ(0.961)γ(0.412)
      127I100.005.50128I24.99 mβ(2.12)
      164Dy28.102600.00165Dy139.80 mβ(1.25)
      63Cu69.204.3064Cu12.70 hβ(0.573)γ(1.35)
      65Cu30.801.8066Cu5.10 mβ(2.63)
      55Mn100.0013.4056Mn2.58 hβ(2.84)γ(0.847)
      23Na100.000.5624Na14.96 hβ(1.39)γ(1.37,2.75)
      51V99.754.9452V3.76 mβ(2.54)γ(1.43)
      27Al100.000.2328Al2.25 mβ(2.86)γ(1.78)
      37Cl24.230.5638Cl37.30 mβ(4.92)γ(2.17,1.64)
      107Ag51.8445.00108Ag2.38 mβ(1.65)
      109Ag48.163.20110Ag24.60 sβ(2.89)
    • Table 2. [in Chinese]

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      Table 2. [in Chinese]

      本底扣除情况半衰期/min误差/%
      未扣除本底65.020.15
      已扣除本底54.40.55
    • Table 3. [in Chinese]

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      Table 3. [in Chinese]

      样品厚度核素半衰期误差/%
      0.1mm108Ag1.98 min16.81
      110Ag16.50 s32.92
      0.2 mm108Ag2.30 min3.36
      110Ag23.50 s4.47
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    Xue QIN, Xiulian CHEN, Jun LIU. Experimental Teaching Research on Measuring the Half-Life of Radionuclides by the Thermal Neutron Activation Method[J]. Experiment Science and Technology, 2025, 23(3): 100

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    Paper Information

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    Received: Jan. 22, 2024

    Accepted: --

    Published Online: Jun. 9, 2025

    The Author Email: Jun LIU (刘军)

    DOI:10.12179/1672-4550.20240024

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