Production of ultra-cold neutrons in solid alpha-oxygen (Articolo in rivista)

Type
Label
  • Production of ultra-cold neutrons in solid alpha-oxygen (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1209/0295-5075/96/62001 (literal)
Alternative label
  • Gutsmiedl, E.; Boehle, F.; Frei, A.; Maier, A.; Paul, S.; Orecchini, A.; Schober, H. (2011)
    Production of ultra-cold neutrons in solid alpha-oxygen
    in Europhysics letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gutsmiedl, E.; Boehle, F.; Frei, A.; Maier, A.; Paul, S.; Orecchini, A.; Schober, H. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 96 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Technical University of Munich; Institute Laue Langevin; University of Perugia; IOM University of Perugia (literal)
Titolo
  • Production of ultra-cold neutrons in solid alpha-oxygen (literal)
Abstract
  • Our recent neutron scattering measurements of phonons and magnons in solid alpha-oxygen have led us to a new understanding of the production mechanism of ultra-cold neutrons (UCN) in this super-thermal converter. The UCN production in solid alpha-oxygen is dominated by the excitation of phonons. The contribution of magnons to UCN production becomes only slightly important above E > 10meV and at E similar to 4meV. Solid alpha-oxygen is in comparison to solid deuterium less efficient in the down-scattering of thermal or cold neutrons into the UCN energy regime. Nevertheless, the lower efficiency might be compensated by the larger mean free-path of UCN in oxygen with respect to deuterium. Copyright (C) EPLA, 2011 (literal)
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