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  1. 原著論文

Distribution of Electron Density Using Dual-Energy X-Ray CT

https://repo.qst.go.jp/records/43258
https://repo.qst.go.jp/records/43258
3c50f163-66da-4e80-9ece-49e50e2986b2
Item type 学術雑誌論文 / Journal Article(1)
公開日 2003-11-10
タイトル
タイトル Distribution of Electron Density Using Dual-Energy X-Ray CT
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 Tsunoo, Takanori

× Tsunoo, Takanori

WEKO 430305

Tsunoo, Takanori

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Torikoshi, Masami

× Torikoshi, Masami

WEKO 430306

Torikoshi, Masami

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Sasaki, Makoto

× Sasaki, Makoto

WEKO 430307

Sasaki, Makoto

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Endo, Masahiro

× Endo, Masahiro

WEKO 430308

Endo, Masahiro

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Yagi, Naoto

× Yagi, Naoto

WEKO 430309

Yagi, Naoto

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Uesugi, Kentaro

× Uesugi, Kentaro

WEKO 430310

Uesugi, Kentaro

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角尾 卓紀

× 角尾 卓紀

WEKO 430311

en 角尾 卓紀

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取越 正己

× 取越 正己

WEKO 430312

en 取越 正己

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佐々木 誠

× 佐々木 誠

WEKO 430313

en 佐々木 誠

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遠藤 真広

× 遠藤 真広

WEKO 430314

en 遠藤 真広

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抄録
内容記述タイプ Abstract
内容記述 Knowledge of electron densities for materials is important for treatment planning for proton and heavier-ion radiotherapy. In order to obtain the electron densities with high precision, we have developed dual-energy x-ray computed tomography using synchrotron radiation. Two monochromatic x-rays with different energies generated from synchrotron radiation enables tomographic imaging which produces a cross sectional image based on electron density plus an additional image based on effective atomic number. Experiments for the dual-energy x-ray CT were made on the BL20B2 beamline at SPring-8. An image intensifier system and a CCD camera were used as the 2D detectors. The measured electron densities were agreement to within 2 % of the theoretical ones. Electron density and effective atomic number provide different contrast in images. Dual-energy x-ray CT can be used for quantitative measurement of the material.
書誌情報 IEEE Transactions on Nuclear Science

巻 50, 号 5, p. 1678-1682, 発行日 2003-10
ISSN
収録物識別子タイプ ISSN
収録物識別子 0018-9499
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