Lei Cao, Yaofeng Zhang, Yang Yang, Jianwei Huang, Xiaole Zhang. Measurement of environmental level X, γ dose with conversion of complete spectra without deconvolution method of MC simulation[J]. High Power Laser and Particle Beams, 2022, 34(2): 026005
- High Power Laser and Particle Beams
- Vol. 34, Issue 2, 026005 (2022)
Fig. 1. CT images of HPGe detector
Fig. 2. Schematic diagram of MCNP model of HPGe detector
Fig. 3. Diagram of calibration measuring situation for HPGe detector
Fig. 4. Comparison of experimental detection efficiency and simulated detection efficiency
Fig. 5. Experimental device for measuring radioactive source with high purity germanium detector
Fig. 6. Experimental device for measuring radioactive sources in a 10L spherical ionization chamber
Fig. 7. Energy spectrum of different energies simulated by MCNP
Fig. 8. Energy spectrum of Co-60 and Cs-137 simulated by MCNP
Fig. 9. Results of G and GE for energy group No. 1
Fig. 10. Results of G and GE for energy group No. 2
Fig. 11. Energy spectrum of Co-60 of high purity germanium detector
Fig. 12. Energy spectrum of Cs-137 of high purity germanium detector
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Table 1. Result of the calibration measurement of HPGe detector
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Table 2. Simulated detection efficiency results of HPGe detector with different dead layer thickness
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Table 3. Dose rate of conversion of complete spectra without deconvolution method and simulation of energy group No. 2
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Table 4. The results of measuring the dose rate of Co-60 and Cs-137 in a 10 L spherical ionization chamber at different distances
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Table 5. Comparison of dose rate of Conversion of complete spectra without deconvolution method and the standard value
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