The thermonuclear fusion experiment ITER requires a 33 MW auxiliary heating power from two Neutral Beam Injectors (HNB), each of them providing 40 A of negative deuterium ions. The EU activities oriented to the realisation of a negative ion electrostatic accelerator for the HNB comprise the construction in Padova of SPIDER, a test bed devoted to the optimisation of the beam source. The secondary particles which are generated inside the SPIDER accelerator are the subject of the present contribution.
Secondary particles in the acceleration stage of high current, high voltage neutral beam injectors: the case of the injectors of the thermonuclear fusion experiment ITER
CHITARIN, GIUSEPPE;MARCONATO, NICOLO';VELTRI, PIERLUIGI
2010
Abstract
The thermonuclear fusion experiment ITER requires a 33 MW auxiliary heating power from two Neutral Beam Injectors (HNB), each of them providing 40 A of negative deuterium ions. The EU activities oriented to the realisation of a negative ion electrostatic accelerator for the HNB comprise the construction in Padova of SPIDER, a test bed devoted to the optimisation of the beam source. The secondary particles which are generated inside the SPIDER accelerator are the subject of the present contribution.
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