Zhen HU, Lu ZHANG, Yifu ZHOU, Qingming HE, Long GU, Shixu ZHANG. NECP-MCX software simulation of AB-BNCT neutron transport process[J]. NUCLEAR TECHNIQUES, 2024, 47(9): 090205

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- NUCLEAR TECHNIQUES
- Vol. 47, Issue 9, 090205 (2024)

Fig. 1. Structural diagram and dimensions of BSA and Snyder head phantom

Fig. 2. Comparison of neutron spectra at BSA exit obtained by MCNP and MCX (a) rssa module, (b) sdef module

Fig. 3. Comparison of neutron spectra at BSA exit using different neutron source modules (a) MCNPX software, (b) MCX software

Fig. 4. Distributions of neutron flux with depth in head phantom for different databases(a) Thermal neutron, (b) Epithermal neutron

Fig. 5. Dose rate distributions of each component with depth in head phantom for different databases(a) Boron dose rate, (b) Nitrogen dose rate, (c) γ dose rate, (d) Total dose rates

Fig. 6. Distributions of total doses with depth in normal tissue and tumor for different databases in head phantom(a) ENDF/B-VII.0 database, (b) ENDF/B-VIII.0 database, (c) JEFF-3.3 database, (d) JENDL-5 database
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Table 1. Density and element composition of head phantom
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Table 2. Recommended values of neutron source beam parameters
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Table 3. Comparison of calculated values of neutron beam parameters
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Table 4. Relative errors of calculated values of neutron beam parameters

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