INFINITESIMAL FIELD SIZE HVL OF ISO 4037 NARROW SPECTRUM X-RAYS: SIMULATED RESULTS
Half-value layer (HVL) measurement is the method most often used to validate an X-ray reference field as defined in ISO 4037. This work presents Particle and Heavy Ion Transport code System (PHITS) simulated values of HVL and their standard deviations for an infinitesimal radiation field size. The H...
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| 格式: | Bài viết |
| 语言: | English |
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Trường Đại học Đà Lạt
2024
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| 在线阅读: | https://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/256920 https://tckh.dlu.edu.vn/index.php/tckhdhdl/article/view/1325 |
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| Thư viện lưu trữ: | Thư viện Trường Đại học Đà Lạt |
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| 总结: | Half-value layer (HVL) measurement is the method most often used to validate an X-ray reference field as defined in ISO 4037. This work presents Particle and Heavy Ion Transport code System (PHITS) simulated values of HVL and their standard deviations for an infinitesimal radiation field size. The HVL values, calculated from simulated values of air kerma at a detector position for various radiation field sizes, were extrapolated to an infinitesimal field size for different ISO 4037 narrow spectrum X-ray beam qualities at two distances from an X-ray source. |
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