费米实验室增强器在高强度运行中的束流俘获近期改进
加速器物理
2021-10-20 v1
摘要
费米实验室增强器采用多圈束流注入，所有腔体的相位布置使得即使各站均处于相同最大电压时，束流所见的净RF电压仍为零。在束流俘获期间，通过反相系统缓慢增加RF电压。俘获结束时开启反馈以进行束流加速。对于当前运行以及PIP-II时期，HLRF与LLRF系统均须提供正确的预期相位与RF电压，以从注入到引出保持纵向发射度，这一点至关重要。本文描述了腔体相位分布的原始架构、我们近期的基于束流的RF相位测量、观测到的腔间相对相位显著偏差及校正工作。同时给出了改进后的高强度束流俘获结果。
引用
@article{arxiv.2110.09713,
title = {Recent Improvements in the Beam Capture at Fermilab Booster for High Intensity Operation},
author = {C. M. Bhat† and S. J. Chaurize and P. Derwent and M. W. Domeier and V. Grzelak and W. Pellico and J. Reid and B. A. Schupbach and C. Y. Tan and A. K. Triplett},
journal= {arXiv preprint arXiv:2110.09713},
year = {2021}
}
备注
.pdf prepared on Windos10 from .docx document, 4 pages, 9 figures, to be published in "HB2021, 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams, October 4-9, 2021