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Investigation of solid , and for ultracold neutron production

✍ Scribed by F. Atchison; B. Blau; K. Bodek; B. van den Brandt; T. Bryś; M. Daum; P. Fierlinger; A. Frei; P. Geltenbort; P. Hautle; R. Henneck; S. Heule; A. Holley; M. Kasprzak; K. Kirch; A. Knecht; J.A. Konter; M. Kuźniak; C.-Y. Liu; C.L. Morris; A. Pichlmaier; C. Plonka; Y. Pokotilovski; A. Saunders; Y. Shin; D. Tortorella; M. Wohlmuther; A.R. Young; J. Zejma; G. Zsigmond

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
520 KB
Volume
611
Category
Article
ISSN
0168-9002

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✦ Synopsis

We have investigated the properties of the ultracold neutron converter materials deuterium D 2 , oxygen O 2 and heavy methane CD 4 in the temperature range between 8 K and room temperature. The experimental program was performed at the FUNSPIN beamline of the Swiss Spallation Neutron Source (SINQ) at Paul Scherrer Institut (PSI). In this paper the measured cold neutron total cross-sections for D 2 , O 2 and CD 4 are presented.

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A long wavelength neutron monochromator
A long wavelength neutron monochromator for superthermal production of ultracold neutrons
✍ C.E.H Mattoni; C.P Adams; K.J Alvine; J.M Doyle; S.N Dzhosyuk; R Golub; E Korobk 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 430 KB

Production of ultracold neutrons (UCN) by single-phonon downscattering of cold neutrons from superfluid helium (the ''superthermal process'') utilizes input neutrons only in a narrow wavelength band around 0:89 nm: Delivering a monochromatic 0:89 nm neutron beam to a superfluid helium target reduces