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Thermalization of neutrons by ultracold nanoparticles

Abstract : The interaction of neutrons with nanoparticles with implications for the physics of ultracold neutrons (UCN) was recently considered in relation to the experimental observation of small changes in the energy of UCN upon their collision with the surface. It is proposed that this interaction be used to increase significantly the UCN density: if the temperature of the nanoparticles is lower than the temperature of the neutrons and if the density of the nanoparticles is high, the neutrons can be slowed down. The first numerical calculations of this slowing down process within the model of free nanoparticles are presented.
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Conference papers
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http://hal.in2p3.fr/in2p3-00143874
Contributor : Lpsc Bibliotheque <>
Submitted on : Friday, April 27, 2007 - 3:17:24 PM
Last modification on : Monday, July 20, 2020 - 9:18:25 AM

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V.V. Nesvizhevsky, G. Pignol, K.V. Protasov. Thermalization of neutrons by ultracold nanoparticles. 24th International Conference on Low Temperature Physics - LT24, Aug 2005, Orlando, Florida, United States. pp.1679-1682, ⟨10.1063/1.2355355⟩. ⟨in2p3-00143874⟩

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