n2EDM MSR——用于基础物理测量的超大高性能磁屏蔽室
仪器与探测器
2022-10-12 v1 高能物理 - 实验
核实验
摘要
我们展示了位于保罗·谢勒研究所的 n2EDM 实验用磁屏蔽室（MSR），其内腔为立方体，边长均为 2.92 m，从而提供 25 m³ 的可达空间。该 MSR 有 87 个直径达 220 mm 的开口以操作内部实验装置，并在屏蔽层之间设有用于敏感信号处理电子学的中间空间。表征测量显示，中央 1 m³ 内剩磁低于 100 pT，整个内腔中距壁面 up to 4 cm 范围内磁场低于 600 pT。使用正弦 2 μT 峰峰值信号在 0.01 Hz 测得的准静态屏蔽因子在三个空间方向均约为 100,000，并随频率快速上升，在 1 Hz 以上达到 10⁸。
引用
@article{arxiv.2206.10714,
title = {The `n2EDM MSR' -- a very large magnetically shielded room with an exceptional performance for fundamental physics measurements},
author = {N. J. Ayres and G. Ban and G. Bison and K. Bodek and V. Bondar and T. Bouillaud and B. Clement and E. Chanel and P. -J. Chiu and C. B. Crawford and M. Daum and C. B. Doorenbos and S. Emmenegger and A. Fratangelo and M. Fertl and W. C. Griffith and Z. D. Grujic and P. G. Harris and K. Kirch and J. Krempel and B. Lauss and T. Lefort and O. Naviliat-Cuncic and D. Pais and F. M. Piegsa and G. Pignol and G. Rauscher and D. Rebreyend and I. Rienäcker and D. Ries and S. Roccia and D. Rozpedzik and W. Saenz-Arevalo and P. Schmidt-Wellenburg and A. Schnabel and N. Severijns and B. Shen and M. Staab and K. Svirina and R. Tavakoli Dinani and J. Thorne and N. Yazdandoost and J. Zejma and G. Zsigmond},
journal= {arXiv preprint arXiv:2206.10714},
year = {2022}
}
备注
10 pages, 15 Figures, submitted to Review of Scientific Instruments