精度NEDM测量在Triumf处具有超电压中子

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精度NEDM测量在Triumf处具有超电压中子

The Precision nEDM Measurement with UltraCold Neutrons at TRIUMF

论文作者

Matsumiya, Ryohei, Akatsuka, Hiroaki, Bidinosti, Chris P., Davis, Charles A., Franke, Beatrice, Fujimoto, Derek, Gericke, Michael T. W., Giampa, Pietro, Golub, Robert, Hansen-Romu, Sean, Hatanaka, Kichiji, Hayamizu, Tomohiro, Higuchi, Takashi, Ichikawa, Go, Imajo, Sohei, Jamieson, Blair, Kawasaki, Shinsuke, Kitaguchi, Masaaki, Klassen, Wolfgang, Klemets, Emma, Konaka, Akira, Korkmaz, Elie, Korobkina, Ekaterina, Kuchler, Florian, Lavvaf, Maedeh, Lee, Larry, Lindner, Thomas, Madison, Kirk W., Makida, Yasuhiro, Mammei, Russell, Mammei, Juliette, Martin, Jeffery W., McCrea, Mark, Miller, Eric, Mishima, Kenji, Momose, Takamasa, Okamura, Takahiro, Ong, Hooi Jin, Picker, Ruediger, Ramsay, William D., Schreyer, Wolfgang, Shimizu, Hirohiko M., Sidhu, Steve, Stargardter, Shawn, Tanihata, Isao, Vanbergen, Sean, van Oers, Willem T. H., Watanabe, Yutaka

论文摘要

Triumf Ultra-Cold高级中子（TUCAN）合作的目标是精确中子电偶极矩（NEDM）测量，不确定性为$ 10^{ - 27} \，E \ CDOT \ CDOT \ CDOT \ CDOT \ MATHRM {CM {CM} $，这是比当前NEDM上限限制和Ensimpermemememperment supersymembredimementimmentimementimementimementimementimementimementimementimementimementime。为了达到这一精确度，我们正在使用Superfluid氦气（HE-II）和NEDM光谱仪中的超热UCN产生开发新的高强度超级中子（UCN）源。本文报告了它们的当前发展状态。

The TRIUMF Ultra-Cold Advanced Neutron (TUCAN) collaboration aims at a precision neutron electric dipole moment (nEDM) measurement with an uncertainty of $10^{-27}\,e\cdot\mathrm{cm}$, which is an order-of-magnitude better than the current nEDM upper limit and enables us to test Supersymmetry. To achieve this precision, we are developing a new high-intensity ultracold neutron (UCN) source using super-thermal UCN production in superfluid helium (He-II) and a nEDM spectrometer. The current development status of them is reported in this article.

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