反氢电电荷的极限
原子物理
2021-07-20 v1
摘要
ALPHA 合作组已成功演示了冷反氢 的产生与囚禁。对囚禁数据的分析使得能对最简单反原子的电电荷施加严格极限。物质的电荷中性已知精度极高，因此 的中性极限提供了对 CPT 不变性的检验。实验技术基于测量疑似带电 在电场中的偏转。测量被囚禁 原子因静电场产生位移的趋势，并与陷阱中 动力学的详细模拟结果比较。我们对系统误差进行了广泛考察，尤其关注来自硅顶点探测器的误差，该器件用于确定 湮灭位置。所得反氢原子电荷极限为 \mbox{}，代表了首次使用 的精密测量。
引用
@article{arxiv.2107.08152,
title = {Limit on the Electric Charge of Antihydrogen},
author = {A. Capra and C. Amole and M. D. Ashkezari and M. Baquero-Ruiz and W. Bertsche and E. Butler and C. L. Cesar and M. Charlton and S. Eriksson and J. Fajans and T. Friesen and M. C. Fujiwara and D. R. Gill and A. Gutierrez and J. S. Hangst and W. N. Hardy and M. E. Hayden and C. A. Isaac and S. Jonsell and L . Kurchaninov and A. Little and J. T. K. McKenna and S. Menary and S. C. Napoli and P. Nolan and K. Olchanski and A. Olin and A. Povilus and P. Pusa and F. Robicheaux and E. Sarid and D. M. Silveira and C. So and T. D. Tharp and R. I. Thompson and D. P. van der Werf and Z. Vendeiro and J. S. Wurtele and A. I. Zhmoginov and A. E. Charman},
journal= {arXiv preprint arXiv:2107.08152},
year = {2021}
}
备注
5 pages, 3 figures