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IOP Publishing, Plasma Physics and Controlled Fusion, 11(50), p. 115012, 2008

DOI: 10.1088/0741-3335/50/11/115012

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Hybrid H-mode scenario with nitrogen seeding and type III ELMs in JET

Journal article published in 2008 by E. de La Luna, Y. Corre, E. Joffrin, P. Monier-Garbet, Y. Andrew, G. Arnoux, M. Beurskens, S. Brezinsek, M. Brix, R. Buttery, R. E. Coffey, I. Coffey, Kristel Crombé, D. De La Luna, H. G. Esser and other authors.
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This paper is available in a repository.

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Abstract

The performance of the ‘hybrid’ H-mode regime (long pulse operation with high neutron fluency) has been extensively investigated in JET during the 2005–2007 experimental campaign up to normalized pressure βN = 3, toroidal magnetic field Bt = 1.7 T, with type I ELMs plasma edge conditions. The optimized external current drive sources, self-generated non-inductive bootstrap current and plasma core stability properties provide a good prospect of achieving a high fusion gain at reduced plasma current for long durations in ITER.