Observation of the alpha particle "Knock-On" neutron emission from magnetically confined DT fusion plasmas
Phys Rev Lett
; 85(6): 1246-9, 2000 Aug 07.
Article
em En
| MEDLINE
| ID: mdl-10991523
ABSTRACT
Suprathermal fuel ions from alpha-particle knock-on collisions in fusion DT plasmas are predicted to cause a weak feature in the neutron spectrum of d+t-->alpha+n. The knock-on feature has been searched for in the neutron emission of high ( >1 MW) fusion-power plasmas produced at JET and was found using a magnetic proton recoil type neutron spectrometer of high performance. Measurement and predictions agree both in absolute amplitude and in plasma-parameter dependence, supporting the interpretation and model. Moreover, the results provide input to projecting alpha-particle diagnostics for future self-heated fusion plasmas.
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01-internacional
Base de dados:
MEDLINE
Tipo de estudo:
Prognostic_studies
Idioma:
En
Revista:
Phys Rev Lett
Ano de publicação:
2000
Tipo de documento:
Article
País de afiliação:
Suécia