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为改进这台加速器的性能,以适应核物理、核技术实验工作的需要,1978年制定技术改造方案,确定把它改造为扇形聚焦可变能量回旋加速器。经过物理设计与模拟试验、技术设计及工程准备,1982年夏停机拆装调试,1983年按计划出束。改造后的回旋加速器,其能量常数K=40,能把质子加速到30MeV,能区在10～30MeV内可调,并可采用三倍频加速H_2~+离子,提供2～2.5MeV和6～9MeV的质子。每次换能时间较快,可在2小时以内改变一个能量。
To improve the performance of this accelerator, in order to meet the needs of experimental work in nuclear physics and nuclear technology, a technological transformation plan was formulated in 1978, and it was decided to transform it into a fan-shaped focusing variable energy cyclotron. After physical design and simulation tests, technical design and engineering preparation, the summer of 1982, disassembly debugging, 1983 planned out of the beam. The modified cyclotron has an energy constant K = 40, which can accelerate the proton up to 30 MeV and the energy range can be adjusted within 10 ~ 30MeV. The accelerating H_2 ~ + ion can be accelerated by triple frequency to provide 2 ~ 2.5MeV and 6 ~ 9MeV protons. Each conversion time is fast, you can change an energy within 2 hours.