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讨论用于治癌的低束流高能量质子直线加速器的初步物理设计．采用短脉冲和高重复频率的S波段的加速结构，类似于医用电子直线加速器．总长26m，由离子源、RFQ、DTL、SCDTL及SCL组成，能量经70—200MeV有八档可调，平均束流强度10—40nA．
Discusses the initial physical design of a low-beam, high-energy proton linac for cancer treatment. S-band acceleration structures with short pulses and high repetition rates, similar to medical linear linacs. The total length is 26m. It consists of ion source, RFQ, DTL, SCDTL and SCL. The energy is adjustable by eight steps at 70-200MeV and the average beam intensity is 10-40nA.