APPLICATIONS OF ATOMIC DATA IN THE STUDY OF TRANSPORT IN TOKAMAKS

The role of spectroscopy and atomic physics in the investigation of pa rticle transport in tokamaks is reviewed using experiments that were c onducted on the Texas Experimental Tokamak as examples. In one experim ent, the parallel particle flow was shown to be directly modified by i on-neutral charge exchange. In another experiment, particle confinemen t is shown to be correlated with electrostatic turbulence. Spectroscop ic techniques were also used to examine a prediction that neutral ioni zation induces plasma turbulence. Finally, spectroscopy is shown to be applicable to the measurement of plasma turbulence provided sufficien t atomic data is available for analysis.