Growing solid deuterium for UCN production

Ekaterina Korobkina, Igor Berkutov, Robert Golub, Paul Huffman, Clark Hickman, Kent Leung, Graham Medlin, Matthew J. Morano, Thomas Rao, Cole Teander, Christian White and Albert R. Young

Jadavpur Journal of International Relations, 2022, vol. 24, issue 2, 179-191

Abstract: We have experimentally studied growing a large (about 1 liter) ortho-deuterium crystal in a real UCN source cryostat and recorded the growing process optically using a camera. The best quality was observed when growing the crystal directly from a vapor phase. The crystal was grown at different mass flows of deuterium and annealed at different temperatures. Optimum conditions were found for both, obtaining an optically transparent crystal and cooling it down with minimal damage. We found that the quality, final shape and changes during annealing of the crystal are very much dependent on the temperature profile of the cryostat walls.

Keywords: Solid deuterium; ultra-cold neutrons (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:sae:jadint:v:24:y:2022:i:2:p:179-191

DOI: 10.3233/JNR-220010

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