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Demonstration of tomographic imaging of isotope distribution by nuclear resonance fluorescence
https://repo.qst.go.jp/records/74620
https://repo.qst.go.jp/records/74620baddd93f-5ab4-4ae5-9206-aa90c65786a1
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-03-04 | |||||
タイトル | ||||||
タイトル | Demonstration of tomographic imaging of isotope distribution by nuclear resonance fluorescence | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Zen, Heishun
× Zen, Heishun× Ohgaki, Hideaki× Taira, Yoshitaka× Hayakawa, Takehito× Shizuma, Toshiyuki× Daito, Izuru× Jun-ichiro, Yamazaki× Kii, Toshiteru× Toyokawa, Hiroyuki× Katoh, Masahiro× Hayakawa, Takehito× Shizuma, Toshiyuki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Computed Tomography (CT) using X-ray attenuation by atomic effects has been used in various fields such as medical diagnosis. CT scanning of high density and high-Z industrial object using gamma-rays from radioisotopes, Bremsstrahlung gamma-rays in the MeV energy region, and quasi-monochromatic gamma-rays generated by laser Compton scattering (LCS) have been studied. However, even if such technologies are used, it is difficult to distinguish clearly a high-Z element from other high-Z elements by the atomic attenuation. Previous studies [4,5] have proposed a novel method to measure CT images for high density and high-Z objects using identification of a specific nuclide with Nuclear Resonance Fluorescence (NRF-CT). Here we show the demonstration of the isotope imaging with NRF-CT and a LCS gamma-ray beam. We measured a two-dimensional CT image of a lead isotope, 208Pb, inside a sample of an aluminum cylinder including an iron rod, a lead rod, and a hole (air). The preliminary NRF image includes both effects of atomic attenuation and nuclear resonant attenuation. By subtracting the atomic attenuation measured by a conventional method at the same time, a clear 208Pb isotope CT image was measured. | |||||
書誌情報 |
AIP advances 巻 9, 発行日 2019-03 |
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出版者 | ||||||
出版者 | AIP Publishing | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2158-3226 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.5064866 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://aip.scitation.org/doi/10.1063/1.5064866 |