http://www.cnr.it/ontology/cnr/individuo/prodotto/ID324769
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
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- 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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