VEPP-4M linear optics correction using orbit response matrices

Rasim Mamutov, G. Baranov, P. Piminov, S. Sinyatkin, Dmitriy A. Lipoviy
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Abstract

This paper presents procedures and techniques for correcting the linear optics of the VEPP-4M collider. The accelerator structure investigation is based on the measurement and analysis of orbit response matrices (ORM) and optical functions reconstructed from turn-by-turn (TbT) data. Having no technical description of quadrupole lenses and corrector magnets, we have calibrated their current dependencies of magnetic strengths and fields, respectively. Corresponding to the reference orbit, quadrupole shifts in each plane have been obtained by using the beam-based alignment (BBA) technique. The accelerator optics has been corrected and calibrated at the injection energy of 1.9 GeV. The software combining automated optical functions measurement and correction has been developed and successfully implemented at VEPP-4M.
利用轨道响应矩阵进行 VEPP-4M 线性光学校正
本文介绍了校正 VEPP-4M 对撞机线性光学的程序和技术。对加速器结构的研究基于对轨道响应矩阵(ORM)和由逐转数据(TbT)重建的光学函数的测量和分析。由于没有对四极透镜和校正磁铁进行技术描述,我们分别校准了它们当前的磁强和磁场依赖关系。与参考轨道相对应,我们利用光束对准(BBA)技术获得了每个平面上的四极移动。在注入能量为 1.9 GeV 时,对加速器光学系统进行了校正和标定。结合自动光学功能测量和校正的软件已经开发完成,并在 VEPP-4M 成功实施。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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