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Intensity control in RF-knockout extraction for scanning irradiation
https://repo.qst.go.jp/records/43833
https://repo.qst.go.jp/records/438331946ae49-fb46-4eaa-b878-9869defff0cb
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2005-10-22 | |||||
タイトル | ||||||
タイトル | Intensity control in RF-knockout extraction for scanning irradiation | |||||
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 |
Furukawa, Takuji
× Furukawa, Takuji× Noda, Kouji× Uesugi, Takehiro× Naruse, Takuya× Shibuya, Shinji× 古川 卓司× 野田 耕司× 上杉 健弘 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In cancer therapy using an ion beam, a scanning irradiation method has been developed in order to realize 3-D conformal irradiation. From studies of the scanning method, it has been required for a medical synchrotron to be capable of controlling the beam intensity during the duration of extraction. For this purpose, a beam-intensity control technique with RF-knockout slow-extraction has been studied and developed at the HIMAC synchrotron. Based on a simple one-dimensional model of extraction, the function of amplitude modulation (AM) for a transverse RF-field was analytically calculated to control the beam current. By cooperating with the feedback system, finally, we could control the beam intensity within a range of one order during a single flattop. We report on a simulation and the experiment result of intensity control for scanning irradiation. | |||||
書誌情報 |
Nuclear Instruments & Methods in Physics Research Section B 巻 240, p. 32-35, 発行日 2005-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0168-583X |