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arxiv: 2207.09880 · v1 · pith:64VAI6IXnew · submitted 2022-07-19 · ⚛️ physics.ins-det · nucl-ex

The Precision nEDM Measurement with UltraCold Neutrons at TRIUMF

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