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Cryogenic molecular separation system for radioactive 11C ion acceleration
https://repo.qst.go.jp/records/47604
https://repo.qst.go.jp/records/47604addef4de-6fb5-49c7-bf11-1090cf0ea33b
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2017-01-04 | |||||
| タイトル | ||||||
| タイトル | Cryogenic molecular separation system for radioactive 11C ion acceleration | |||||
| 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 |
Katagiri, Ken
× Katagiri, Ken× Noda, Akira× Nagatsu, Koutarou× Nakao, Masao× Houjou, Satoru× Wakui, Takashi× Noda, Kouji× al, et× 片桐 健× 野田 章× 永津 弘太郎× 中尾 政夫× 北條 悟× 涌井 崇志× 野田 耕司 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | A 11C molecular production/separation system (CMPS) has been developed as part of an isotope separation on line system for simultaneous positron emission tomography imaging and heavy-ion cancer therapy using radioactive 11C ion beams. In the ISOL system, 11CH4 molecules will be produced by proton irradiation and separated from residual air impurities and impurities produced during the irradiation. The CMPS includes two cryogenic traps to separate specific molecules selectively from impurities by using vapor pressure differences among the molecular species. To investigate the fundamental performance of the CMPS, we performed separation experiments with non radioactive 12CH4 gases, which can simulate the chemical characteristics of 11CH4 gases. We investigated the separation of CH4 molecules from impurities, which will be present as residual gases and are expected to be difficult to separate because the vapor pressure of air molecules is close to that of CH4. We determined the collection/separation efficiencies of the CMPS for various amounts of air impurities and found desirable operating conditions for the CMPS to be used as a molecular separation device in our ISOL system. | |||||
| 書誌情報 |
Review of Scientific Instruments 巻 86, 号 12, p. 123303-1-123303-7, 発行日 2015-12 |
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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 | 0034-6748 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1063/1.4937593 | |||||
