天蝎座的阴极到目标模拟：I。仿真代码和模型
Cathode to Target Simulations for Scorpius: I. Simulation Codes and Models
摘要：
新的天蝎座线性感应电子加速器正在开发中，用于大型爆炸驱动流体动力学实验的多脉冲闪光照相。从阴极到目标的束物理检查与计算机模拟，包括包络，光线跟踪，和粒子在细胞（PIC）的代码。研究的束流不稳定性包括束流分裂（BBU），图像位移，diocotron，参数包络，离子软管，和电阻壁不稳定性。研究了束流失配引起的束流螺旋运动和发射度增长。这些模拟的结果记录在一系列报告中。在本报告中，这些模拟所使用的计算机代码和物理模型进行了说明。这项研究的结论是，天蝎座将产生和加速射线照相质量相当于目前的加速器在洛斯阿拉莫斯国家实验室，如果相同的工程标准和建设细节得到支持。
英文摘要：
The new Scorpius linear induction electron accelerator is under development for multi-pulse flash radiography of large, explosively-driven hydrodynamic experiments. Beam physics from the cathode to the target was examined with computer simulations, including envelope, ray-trace, and particle-in cell (PIC) codes. Beam instabilities investigated included beam breakup (BBU), image displacement, diocotron, parametric envelope, ion hose, and the resistive wall instability. Beam corkscrew motion and emittance growth from beam mismatch were also studied. The results of these simulations is documented in a series of reports. In this report the computer codes and physical models used for these simulations are described. The conclusion of this study is that Scorpius will produce and accelerate a beam with radiographic quality equivalent to the present accelerators at Los Alamos National Laboratory if the same engineering standards and construction details are upheld.
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