自然发射度主导与IBS主导机制下的阻尼环优化
Damping Ring Optimization in Natural Emittance and IBS Dominated Regimes
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中文总结 AI 辅助
本文应用阻尼环设计原理,将含束内散射的阻尼环设计构建为约束数值最小化问题,采用多目标遗传优化研究从自然发射度主导到IBS主导的转变,并验证于C$^{3}$对撞机参数。
中文摘要 AI 辅助
线性正负电子对撞机能够实现标准模型可观测量及其以外物理的精密测量。现代线性对撞机需要阻尼环,在其中源发射度被阻尼并非对称化。先前的工作[Phys. Rev. ST Accel. Beams 4, 021001 (2001)]概述了阻尼环设计的系统化流程。本文应用这些原理,并将阻尼环设计(在包含束内散射的情况下)构建为带约束的数值最小化问题。我们采用多目标遗传优化来描绘从自然发射度主导到束内散射主导机制的转变。在可能的情况下,我们与解析结果进行比较,并取得良好一致性。该分析应用于C$^{3}$对撞机概念的参数,但该流程完全可推广至其他直线加速器参数。
英文摘要
Linear electron-positron colliders enable precision measurements of Standard Model observables and beyond. Modern linear colliders need damping rings wherein the emittance of the source is damped and asymmetrized. A previous work [Phys. Rev. ST Accel. Beams 4, 021001 (2001)] delineated a systematic procedure for damping ring design. In this paper, we apply those principles, and frame damping ring design as a constrained numerical minimization problem when including intrabeam scattering. We use a multi-objective genetic optimization to map the transition from natural- emittance-dominated to intrabeam-scattering-dominated regimes. We compare to analytic results where possible to good agreement. The analysis is applied to parameters for the C$^{3}$ collider concept, but the procedure is fully generalizable to other linac parameters.
发表机构
- Cornell Laboratory for Accelerator Based Sciences and Education (CLASSE), Cornell University(康奈尔大学加速器科学与工程实验室)
- SLAC National Accelerator Laboratory(斯坦福直线加速器中心)
- Cornell High Energy Synchrotron Source (CHESS), Cornell University(康奈尔大学高能同步辐射光源)
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