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Magnetic storage of UCN for a measurement of the neutron lifetime

Abstract : We present the status of an experimental setup designed and built for the measurement of the neutron lifetime and we describe also details about the measuring sequence. The central element of the setup is a magnetic trap made of permanent magnets. Neutrons surviving in the trap after fixed storage times are counted after their extraction and the trap losses are continuously monitored during the storage periods. The technique has achieved a statistical sensitivity of about 2 s on the storage time what constitutes the most sensitive magnetic trapping technique for ultra-cold neutrons developed so far.
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Conference papers
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http://hal.in2p3.fr/in2p3-00435405
Contributor : Sandrine Guesnon <>
Submitted on : Tuesday, November 24, 2009 - 10:47:54 AM
Last modification on : Tuesday, February 19, 2019 - 9:42:02 AM

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V.F. Ezhov, A.Z. Andreev, G. Ban, B.A. Bazarov, P. Geltenbort, et al.. Magnetic storage of UCN for a measurement of the neutron lifetime. 5th International Workshop on Particle Physics with Slow Neutrons, May 2008, Grenoble, France. pp.167-170, ⟨10.1016/j.nima.2009.07.071⟩. ⟨in2p3-00435405⟩

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