IOP Publishing, Plasma Physics and Controlled Fusion, 11(50), p. 115012, 2008
DOI: 10.1088/0741-3335/50/11/115012
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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.