强流DAEδALUS回旋加速器束流动力学模拟
Beam Dynamics Simulation for the High Intensity DAEδALUS Cyclotrons
摘要：
在DAEδALUS（Decay-At-rest Experiment for δCP studies At the Laboratory for Underground Science）项目中，提出了高功率H+2回旋加速器链，以有效地提供动能为800 MeV、平均功率在MW范围内的质子束。空间电荷在注入器和环形回旋加速器中都发挥着关键作用。大规模粒子模拟表明，注入器回旋加速器是一种空间电荷主导的回旋加速器，并且可以在隔膜上以可容忍的束流损失提取5 mA的束流电流。相比之下，在环形回旋加速器，没有空间电荷引起的束流损失期间观察到加速和提取。
英文摘要：
In the DAEδALUS (Decay-At-rest Experiment for δCP studies At the Laboratory for Underground Science) project, high power H+2 cyclotron chains are proposed to efficiently provide proton beams with a kinetic energy of 800 MeV and an average power in the MW range. Space charge plays a pivotal role in both the injector and the ring cyclotrons. Large-scale particle simulations show that the injector cyclotron is a space charge dominated cyclotron and that a 5mA beam current can be extracted with tolerable beam losses on the septum. In contrast, in the ring cyclotron, no space charge induced beam loss is observed during acceleration and extraction.
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