质子直线加速器设计研究

当前质子直线加速器发展的两个重要方向是强流质子直线加速器和小型质子直线加速器.前者主要用于核能领域,后者主要用于质子治疗.两类加速器有着共同的特点:1.采用一些新型加速结构,它们是传统结构的组合和发展;2.加速小发射度的质子束;3.加速器应有高度的可靠性.但前者的建造难度远大于后者,它还要求具有很低的束流损失率和尽可能高的能量利用效率.研究了两类加速器设计中的一些重要问题,提出了一些设计方案.

Study on Design of Proton Linacs

Two important directions in the development of proton linacs are high current proton linacs (mainly applied in nuclear power field) and compact proton linacs (for proton therapy). There are some common characteristics in them: 1. Employment of the novel accelerating structures, which are combination and evolution of the conventional ones; 2. Accelerating beam with small emittance; 3. Requirement for high reliability. The construction of the former is, however, much more difficult because it needs low beam lose rate and as high power transformation efficiency as possible. In this paper some important problems in the design of these accelerators are discussed and some schemes designed by us are presented.