Design of the second medium energy beam transport line for China Accelerator Driven System
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摘要: 中能传输线-2（MEBT2）在中国加速器驱动次临界系统（CADS）1.5 GeV加速器的前端具有非常重要的作用。介绍了MEBT2设计思路和束流动力学分析。MEBT2的设计和模拟均使用多粒子跟踪程序TraceWin完成。给出了可以完成束流传输和匹配的消色散MEBT2设计方案。模拟结果显示:在经过此方案所设计的MEBT2后，束流横向和纵向的发射度分别有5%和13%的增长，在此系统可接受的发射度增长范围内。Abstract: The second medium energy beam transport (MEBT2) line is of great importance in the front-end part of the 1.5 GeV accelerator in the China Accelerator Driven System (CADS) project. In this paper, we describe the design considerations and the beam dynamics of the 10 MeV MEBT2 line. The design and simulation of the MEBT2 were carried out with the multi-particle tracking program TraceWin. The simulation results show that an emittance growth of 5% in the transverse planes and 13% in the longitudinal plane is observable after beam transportation in the MEBT2.
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