用冷分子探测电子EDM
Probing the electron EDM with cold molecules
摘要：
我们提出了一种新的测量电子电偶极矩的进展，使用冷超声束的YbF分子。目前正在采集灵敏度为$10^{-27}\textrm{e.cm}/\sqrt{\textrm{day}}$的数据。因此，我们期望对Commins小组的Tl实验进行改进，该实验目前给出了最精确的结果。我们讨论了系统和统计误差，并评论了在$10^{-29}\textrm{e.cm}/\sqrt{\textrm{day}}$水平上进行测量的未来前景。
英文摘要：
We present progress towards a new measurement of the electron electric dipole moment using a cold supersonic beam of YbF molecules. Data are currently being taken with a sensitivity of $10^{-27}\textrm{e.cm}/\sqrt{\textrm{day}}$. We therefore expect to make an improvement over the Tl experiment of Commins' group, which currently gives the most precise result. We discuss the systematic and statistical errors and comment on the future prospect of making a measurement at the level of $10^{-29}\textrm{e.cm}/\sqrt{\textrm{day}}$.
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