MORA装置在核β衰变中测试时间反演不变性性能
仪器与探测器
2025-04-25 v1 核实验
摘要
MORA实验装置设计用于测量核β衰变中的三重关联D参数。D系数敏感于时间反演不变性可能的违反情况。实验配置由透明Paul陷阱组成，周围是交替排列的β粒子和recoil离子探测器。探测装置的八边形对称性优化了正电子-recoil离子 coincident 计数率对D相关性的灵敏度，同时减少了系统效应。MORA采用创新的陷阱内激光极化技术。本文介绍了离子陷阱、相关束流组件、激光系统以及β粒子和recoil离子探测器的设计与性能。描述了向极化原理证明方面取得的最新进展。
引用
@article{arxiv.2504.16957,
title = {Performance of the MORA Apparatus for Testing Time-Reversal Invariance in Nuclear Beta Decay},
author = {N. Goyal and A. Singh and S. Daumas-Tschopp and L. M. Motilla Martinez and G. Ban and V. Bosquet and J. F. Cam and P. Chauveau and S. Chinthakayala and G. Fremont and R. P. De Groote and F. de Oliveira Santos and T. Eronen and A. Falkowski and X. Flechard and Z. Ge and M. Gonzalez-Alonso and H. Guerin and L. Hayen and A. Jaries and M. Jbayli and A. Jokinen and A. Kankainen and B. Kootte and R. Kronholm and N. Lecesne and Y. Merrer and V. Morel and M. Mougeot and G. Neyens and J. Perronnel and M. Reponen and A. Raggio and S. Rinta-Antila and A. Rodriguez-Sanchez and N. Severijns and J. C. Thomas and C. Vandamme and S. Vanlangendonk and V. Virtanen and E. Lienard and I. D. Moore and P. Delahaye},
journal= {arXiv preprint arXiv:2504.16957},
year = {2025}
}
备注
18 pages