精确测量 n=2 三重体 P J=1 到 J=0 原子的精细结构,使用频率偏移分离的振荡场
F Heydarizadmotlagh1, T D G Skinner1, K Kato1
1Department of Physics and Astronomy, York University, Toronto, Ontario M3J 1P3, Canada.
Physical review letters
|May 3, 2024
概括
科学家们精确地测量了的细结构.
科学领域:
- 原子物理 原子物理
- 量子电动力学 (QED) 是指量子电动力学.
背景情况:
- 对的n=2 3P细结构进行高精度测量对于测试基本物理理论至关重要.
- 以前的实验和理论已经进行了先进的量子电动力学 (QED) 测试,细结构常数 (α) 确定,以及对新物理学的搜索.
研究的目的:
- 为了实现高精度测量J=1到J=0间隔在n=2 3P细结构内.
- 提供数据,使得能够更精确地确定细结构常数 (α).
主要方法:
- 使用了频率抵消分离振荡场技术.
- 在中测量了J=1到J=0的过渡频率.
主要成果:
- 实现了每亿分之2 (ppb) 的精度测量.
- 测量间隔为29,616,955,018 ((60) Hz. 频率为29,616,955,018 ((60) Hz. 频率为29,616,955,018 ((60) Hz. 频率为29,616,955,018 ((60) Hz. 频率为29,616,955,018 ((60) Hz. 频率为29,616,955,018 ((60) Hz. 频率为29,616,955,018 ((60) Hz. 频率为29,616,955,018 ((60) Hz.
结论:
- 这一结果是细结构测量的重大进步.
- 它通过改进的理论计算为精细结构常数 (α) 的1ppb确定铺平了道路.
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