Charge-exchange measurements of high-energy fast ions in LHD using negative-ion neutral beam injection

W. H. J. Hayashi, W. W. Heidbrink, C. M. Muscatello +10

A new sightline geometry for the fast-ion D-alpha (FIDA) diagnostic on the Large Helical Device (LHD) has been confirmed to measure signals for high-energy fast ions produced by ne…