作为电偶极矩测量前提的冷却同步加速器COSY上的束流准直
加速器物理
2021-03-24 v2
摘要
于利希电偶极矩研究（JEDI）合作组旨在利用存储环直接测量质子与氘核的电偶极矩（EDM）。该测量基于极化测量。为了达到最高精度，必须知道穿过磁体（尤其是四极铁）的精确轨迹，以避免磁场对极化矢量的影响。本文描述了一种在位于于利希研究中心（Forschungszentrum Jülich）的冷却同步加速器（COSY）上开发并实现的基于束流的准直技术。良好准直的四极铁使得人们能够对束流位置监测器（BPMs）进行绝对校准。该方法基于如下事实：未通过四极铁中心的粒子束会受到偏转。该方法达到的精度约为40微米。文中还讨论了其对用于EDM测量的新型高精度存储环设计的一些影响。
引用
@article{arxiv.2009.02058,
title = {Beam-based alignment at the Cooler Synchrotron COSY as a prerequisite for an electric dipole moment measurement},
author = {T. Wagner and A. Nass and J. Pretz and F. Abusaif and A. Aggarwal and A. Andres and I. Bekman and N. Canale and I. Ciepal and G. Ciullo and F. Dahmen and S. Dymov and C. Ehrlich and R. Gebel and K. Grigoryev and D. Grzonka and V. Hejny and J. Hetzel and A. Kacharava and V. Kamerdzhiev and S. Karanth and I. Keshelashvili and A. Kononov and A. Kulikov and K. Laiham and A. Lehrach and P. Lenisa and N. Lomidze and A. Magiera and D. Mchedlishvili and F. Müller and N. N. Nikolaev and A. Pesce and V. Poncza and F. Rathmann and M. Retzlaff and A. Saleev and M. Schmühl and D. Shergelashvili and V. Shmakova and J. Slim and A. Stahl and E. Stephenson and H. Ströher and M. Tabidze and G. Tagliente and R. Talman and Yu. Uzikov and Yu. Valdau and A. Wrońska},
journal= {arXiv preprint arXiv:2009.02058},
year = {2021}
}
备注
Submitted to "Journal of Instrumentation (JINST)"