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制動X線計測によるトリチウムガスの非破壊測定 (II) : 制動X線の発生及び透過過程
https://doi.org/10.15099/00006365
https://doi.org/10.15099/00006365dbdcd06f-c9a6-43a0-8f50-9dd7c71aae96
名前 / ファイル | ライセンス | アクション |
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annual_report8-5.pdf (797.0 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-10-03 | |||||
タイトル | ||||||
タイトル | 制動X線計測によるトリチウムガスの非破壊測定 (II) : 制動X線の発生及び透過過程 | |||||
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 | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15099/00006365 | |||||
ID登録タイプ | JaLC | |||||
著者 |
松山, 政夫
× 松山, 政夫× 中谷, 秀夫× 渡辺, 国昭 |
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著者別名 | ||||||
姓名 | Matsuyama, Masao | |||||
著者別名 | ||||||
姓名 | Nakatani, Hideo | |||||
著者別名 | ||||||
姓名 | Watanabe, Kuniaki | |||||
その他(別言語等)のタイトル | ||||||
その他のタイトル | Non-destructive Determination of Tritium by Bremsstraflung Counting (II) -Generation and Depletion Process of Bremsstrahlung X-rays - | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | To apply the bremsstrahlung counting method to in-situ and real-time measurements of tritium pressure in the fuel processes of thermonuclear fusion devices as well as conventional tritium handling system of tritium research laboratories, we studied theoretically the processes of generation of bremsstrahlung X-rays and its depletion in materials. The spectra of bremsstrahlung X-rays generated by tritium β-rays at the inner surface of measuring tube were calculated with the β-spectrum and Wyard formula. The bremsstrahlung spectra at the outer surface of the measuring tube made of Pyrex glass were calculated using the mass absorption coefficient for the glass and calculated bremsstrahlung intensity at the inner surface. The calculated bremsstrahlung spectra agreed quite well with the observed ones. In addition, the present analysis showed that the ratio of bremsstrahlung intensity for glass to that for aluminum alloy was 7.5. This value was in good agreement with the observed ratio (8.2). The changes in the bremsstrahlung intensity with thickness of glass were also evaluated. It was found that the bremsstrahlung intensity decreases with thickness in a convex manner. This convex curve could be approximated to -2.38 power of the thickness in the range from 0.5~2.0mm. This thickness dependence agreed well with the experimental results. It was concluded that the present method is quite valuable to predict the bremsstrahlung spectra owing to the deceleration ofβ-rays in material. It was also revealed that the measuring tube of double-layers structure constructed with different atomic number materials is useful because a large increase in sensitivity can be expected with this device. | |||||
書誌情報 |
富山大学トリチウム科学センター研究報告 = Annual Report of Tritium Research Center, Toyama University 巻 8, p. 51-60, 発行日 1988 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0287-1408 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10100133 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 富山大学トリチウム科学センター | |||||
資源タイプ(DSpace) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article |