磁场诱导自旋去极化下的超冷中子能谱与储存特性
高能物理 - 实验
2025-11-11 v1 高能物理 - 唯象学
核实验
摘要
我们提出了一种 novel 方法，从磁场诱导的自旋去极化测量中提取超冷中子的能谱。该方法同样敏感于用于捕获超冷中子的材料储存特性，具体而言，是碰撞是规律的还是散射的。我们通过比较 n2EDM 实验的两种不同存储腔体，突出显示了该新技术的灵敏性。最后，我们通过与独立测量比较验证了该能谱的极化方式（通过磁场滤波器），并计算了中子中心质量偏移，这是测量中子电偶极矩系统误差的重要因素。
引用
@article{arxiv.2511.06884,
title = {Ultracold neutron energy spectrum and storage properties from magnetically induced spin depolarization},
author = {N. J. Ayres and G. Ban and G. Bison and K. Bodek and V. Bondar and T. Bouillaud and D. Bowles and G. L. Caratsch and E. Chanel and W. Chen and P. -J. Chiu and C. B. Crawford and V. Czamler and M. Daum and C. B. Doorenbos and M. Ferry and M. Fertl and A. Fratangelo and D. Galbinski and W. C. Griffith and Z. D. Grujic and K. Kirch and V. Kletzl and B. Lauss and T. Lefort and A. Lejuez and R. Li and K. Michielsen and J. Micko and P. Mullan and A. Mullins and O. Naviliat-Cuncic and D. Pais and F. M. Piegsa and G. Pignol and C. Pistillo and D. Rebreyend and I. Rienäcker and D. Ries and S. Roccia and D. Rozpedzik and W. Saenz-Arevalo and L. Sanchez-Real Zielniewicz and P. Schmidt-Wellenburg and E. P. Segarra and L. Segner and N. Severijns and K. Svirina and K. S. Tanaka and J. Thorne and J. Vankeirsbilck and N. von Schickh and N. Yazdandoost and J. Zejma and N. Ziehl and G. Zsigmond},
journal= {arXiv preprint arXiv:2511.06884},
year = {2025}
}