Energetic particle physics in JET

S.E. Sharapov, B. Alper, D. Borba, L.-G. Eriksson, A. Fasoli, R.D. Gill, A. Gondhalekar, C. Gormezano, R.F. Heeter, G.T.A. Huysmans, J. Jacquinot, A.A. Korotkov, P. Lamalle, M.J. Mantsinen, D.C. McDonald, F.G. Rimini, D.F.H. Start, D. Testa, P.R. Thomas, [Unknown] JET Team

Research output: Contribution to journalArticleAcademicpeer-review

18 Citations (Scopus)


Results achieved on JET during the 1997-1999 experimental campaigns in the physics of energetic ions and runaway electrons are reviewed. Heating of deuterium-tritium (DT) plasmas by fusion born alpha particles is found to be similar to that achieved by comparable ICRF heating of deuterium plasmas. The stability of alpha particle driven Alfvén eigenmodes (AEs) in the highest fusion power ELM-free H mode discharges is shown to be consistent with the existing theoretical analysis for AEs. Direct measurements of the trapped alpha particle and knock-on deuteron distribution functions by a neutral particle analyser (NPA) are described. New ICRF heating scenarios tested in JET DT plasmas are presented in view of the possible use of the ICRF heating of ITER-like DT plasmas on route to ignition. The energetic ion pinch in the presence of toroidally asymmetric ICRF waves is studied experimentally on JET. Recent experimentally observed effects of ICRF accelerated ions on sawteeth in JET are reviewed. Detailed time and space resolved X ray images of the electron runaway beam in flight spontaneously generated by disruptions on JET are described.
Original languageEnglish
Pages (from-to)1363-1381
JournalNuclear Fusion
Issue number7
Publication statusPublished - 1 Jul 2000
Externally publishedYes


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