| Development of Compact Standing－wave Guides with on－Axis Coupler of Electron Linac for Medical Radio |
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| 引用本文： | 林郁正,童德春,杨越,靳清秀,孙翔,孙敬清,胡少光,陈怀璧,黄海,陈秉彝,张益林,李跃增,孙宝玉,胡文胜,邹阳.Development of Compact Standing－wave Guides with on－Axis Coupler of Electron Linac for Medical Radio[J].清华大学学报,1996(1). |
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| 作者姓名： | 林郁正 童德春 杨越 靳清秀 孙翔 孙敬清 胡少光 陈怀璧 黄海 陈秉彝 张益林 李跃增 孙宝玉 胡文胜 邹阳 |
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| 作者单位： | Department or Engineering Physics，Tsinghua University，Beijing 100084;Bei |
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| 摘 要： | ＤｅｖｅｌｏｐｍｅｎｔｏｆＣｏｍｐａｃｔＳｔａｎｄｉｎｇ－ｗａｖｅＧｕｉｄｅｓｗｉｔｈｏｎ－ＡｘｉｓＣｏｕｐｌｅｒｏｆＥｌｅｃｔｒｏｎＬｉｎａｃｆｏｒＭｅｄｉｃａｌＲａｄｉｏｔｈｅｒａｐｙａｎｄＩｎｄｕｓｔｒｉａｌＲａｄｉｏｇｒａｐｈｙＬｉｎＹｕｚｈ...
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Development of Compact Standing-wave Guides with on-Axis Coupler of Electron Linac for Medical Radiotherapy and Industrial Radiography |
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| Lin Yuzheng, Tong Dechun, Yang Yue, Jin Qingxiu,Sun Xiang, Sun Jingqing, Hu Shaoguang, Chen Huaibi,Huang Hai, Chen Bingyi, Zhang Yilin, Li Yuezeng,Sun Baoyu, Hu Wenshing, Zou Yang.Development of Compact Standing-wave Guides with on-Axis Coupler of Electron Linac for Medical Radiotherapy and Industrial Radiography[J].Tsinghua Science and Technology,1996(1). |
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| Authors: | Lin Yuzheng Tong Dechun Yang Yue Jin Qingxiu Sun Xiang Sun Jingqing Hu Shaoguang Chen Huaibi Huang Hai Chen Bingyi Zhang Yilin Li Yuezeng Sun Baoyu Hu Wenshing Zou Yang |
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| Abstract: | A series of completely sealed standing-wave (SW) accelerator guides was developed and installed on 3,4, 6, 9 and 14 MeV home-made electron linacs for medical and industrial uses. In the development of these SW guides, various subjects, including particle dynamics, microwave properties etc, were studied. The fsctors influencing the transverse motion were considered analytically and using a simulation code, TRSV. The problem of electron backbombardment in SW linac was analyzed by a 3-dimensional trace code, SB. Simultaneously decreasing the length of the first cavity and the injection voltage can reduced the electron backbombarding power. The code PPDW based on equivalent circuit theory was developed to analyze many microwave characteristics of arbitrarily composed coupled cavity chains. This research contributed to the successful development of the 3, 4, 6, 9 and 14MeV SW accelerator guides. For example, in the recently developed 14MeV SW guide, the beam passes smoothly through a 1.45 m long guide with a beamhole (diameter of 7 mm) without using a focusing solenoid. |
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| Keywords: | standing-wave accelerator guide electron linac medical and industrial uses particle dynamics simulation electron backbombardment microwave properties |
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