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[en] Species and impurity measurements on the DITE phase II neutral injectors are described. Measurements have been made of Doppler-shifted Hsub(α) line radiation, using a fast-scanning monochromator, and of the energy spectrum of charge-exchange neutrals resulting from the interaction of the beams with gas infill in the DITE torus using a tangentially viewing neutral particle energy analyser. Hydrogen-bearing impurities have been detected by both methods. Measurements have also been made with a normal incidence vacuum ultraviolet monochromator of lines from C IV and O VII ions in the plasma observed whilst neutral injection is in operation. The origin of the observed Dopper-shifted spectra from these highly ionised impurities is discussed. (author)
Source
Wilson, I.H.; Stephens, K.G. (eds.); Institute of Physics, London (UK); Institute of Physics Conference Series; no. 54; 364 p; ISBN 0 85498 145 4; 
; 1980; p. 132-138; Institute of Physics; Bristol; 2. international conference on low-energy ion beams; Bath, UK; 14 - 17 Apr 1980
; 1980; p. 132-138; Institute of Physics; Bristol; 2. international conference on low-energy ion beams; Bath, UK; 14 - 17 Apr 1980