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CT装置の一次X線スペクトルの解析
https://repo.qst.go.jp/records/44095
https://repo.qst.go.jp/records/44095065866b1-2a34-4182-8c30-537c0dc74fa3
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-05-29 | |||||
タイトル | ||||||
タイトル | CT装置の一次X線スペクトルの解析 | |||||
言語 | ||||||
言語 | jpn | |||||
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 |
松本, 政雄
× 松本, 政雄× 岡本, 英明× 黒田, 知純× 鈴木, 隆一郎× 松本, 徹× その他× 松本 政雄× 松本 徹 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We have attempted to calculate a primary X-ray spectrum of CT (Computed Tomography) system. Dose rates of primary X-ray spectrum are very high, so we reduced dose rate by using carbon scatterer and enabled to measure 90°-scattered spectrum with a CdZnTe detector. The primary X-ray spectrum can be calculated from measured data of 90°-scattered spectrum by counting backwards. In counting backwards, we used not only Klein-Nishina co-efficients but also response functions obtained by Monte Carlo methods, because Raylei scattering and multiple scattering maybe occur in carbon scatterer. In our results, the primary X-ray spectrum calculated from response functions obtained by Monte Carlo methods are roughly equivalent to that calculated from Klein-Nishina coefficients. |
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書誌情報 |
医用画像情報学会雑誌 巻 17, 号 2, p. 88-96, 発行日 2000 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0910-1543 |