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ECRイオン源からの残留ガス成分の測定
https://repo.qst.go.jp/records/53533
https://repo.qst.go.jp/records/53533c4d2e1d3-e65e-4e61-a230-9d9825cc4e33
Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2005-06-24 | |||||
タイトル | ||||||
タイトル | ECRイオン源からの残留ガス成分の測定 | |||||
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_5794 | |||||
資源タイプ | conference paper | |||||
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 |
北條, 悟
× 北條, 悟× 本間, 壽廣× 坂本, 幸雄× 山田, 聰× 北條 悟× 本間 壽廣× 坂本 幸雄× 山田 聰 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A technical realization for a position emitter 11C-beam(R.I.) as an accelerating -beam has studied at NIRS-HIMAC in order to apply for a heavy-ion therapy.In this study,the calculation result shows the order of 1E+9ppp of 11C2+ ions will be extracted from the calculation result shows the order of 1E+9ppp of 11C2+ ions will be extracted from the ion source during 18minutes at 3.3-second intervals with 1-msec beam pulse under one-Ci of 11C-production ,where the ionization efficiency of the.11C2+ion is assumed to be 1percent.So that the first object in this study is to measure an ionization sfficiebcy of 11C-gas in an ECR ion source.In order to investigate the efficiency CH4-gas of 0.07atm/cc/min was used, and equipped a suitable Q-mass gas analyzing system to measure residual gas components evacuated from the ECR. Result show that almost 1% of the ionization efficiency was observed for 2+ and 4+ of 12C-ions, in the measurement of the charge spectrum.On the other hand,unexpected phenomenon was also observed on the ionization process in the ECR.In this paper details of the phenomenon are analyzed. | |||||
書誌情報 |
Proceedings of the Symposium on Accelerator and Related Technology for Application 巻 7, p. 85-86, 発行日 2005-06 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1344-4514 |