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Neutron spectrometry of JET discharges with ICRH-acceleration of helium beam ions.
Gatu Johnson, M; Andersson Sundén, E; Cecconello, M; Conroy, S; Ericsson, G; Eriksson, J; Gorini, G; Hellesen, C; Kiptily, V; Nocente, M; Sangaroon, S; Sharapov, S E; Tardocchi, M; van Eester, D; Weiszflog, M.
Afiliação
  • Gatu Johnson M; JET-EFDA, Culham Science Centre, OX14 3DB, Abingdon, United Kingdom. maria.gatu@physics.uu.se
Rev Sci Instrum ; 81(10): 10D336, 2010 Oct.
Article em En | MEDLINE | ID: mdl-21058459
Recent experiments at JET aimed at producing 4He ions in the MeV range through third harmonic ion cyclotron resonance heating (ICRH) acceleration of 4He beams in a 4He dominated plasma. MeV range D was also present through parasitic ICRH absorption on residual D. In this contribution, we analyze TOFOR neutron spectrometer data from these experiments. A consistent description of the data is obtained with d(d,n)3He and 9Be(α,n)12C neutron components calculated using Stix distributions for the fast D and 4He, taking finite Larmor radius effects into account and with a ICRH power partition of P(D)(RF) = 0.01×P(4He)(RF), in agreement with TOMCAT simulations.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Rev Sci Instrum Ano de publicação: 2010 Tipo de documento: Article País de afiliação: Reino Unido
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Rev Sci Instrum Ano de publicação: 2010 Tipo de documento: Article País de afiliação: Reino Unido