EFFECTS OF COMPONENT AND THICKNESS OF METAL LAYER ON RESPONSE FUNCTIONS OF BONNER SPHERE EXTENDED SPECTROMETER USING MCNP CALCULATION
The response functions of the Bonner Sphere Extended spectrometer were calculated using the MCNP program. For incident neutrons above 10MeV, Tungsten was an excellent heavy material layer as it yielded the highest response among tested materials. As for the effect of isotopes’ abundance and thicknes...
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| Định dạng: | Bài viết |
| Ngôn ngữ: | English |
| Được phát hành: |
Trường Đại học Đà Lạt
2023
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| Truy cập trực tuyến: | https://tckh.dlu.edu.vn/index.php/tckhdhdl/article/view/332 https://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/114248 |
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| Thư viện lưu trữ: | Thư viện Trường Đại học Đà Lạt |
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| Tóm tắt: | The response functions of the Bonner Sphere Extended spectrometer were calculated using the MCNP program. For incident neutrons above 10MeV, Tungsten was an excellent heavy material layer as it yielded the highest response among tested materials. As for the effect of isotopes’ abundance and thickness of the metal layer, the differences in the response function could be neglected in the high-energy region (above several MeV), but the thickness of the heavy-metal layer had a considerable effect on the response. Recommended thickness for Bonner Sphere Extended spectrometers was also discussed. |
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