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Abstract

The conditions necessary for neutral doping beams suitable for diagnosing the alpha particles in hightemperature or burning D-T fusion plasmas are investigated for the example of JET extended performance plasma parameters. It turns out that step processes have to be taken into account for the beam attenuation calculations. The necessary neutral doping beam current densities have to be beyond about 200 mA/cm**2 for sufficient photon density rates and neutral 4-He**o rates, respectively, and the neutral particle energy should be above about 200 keV/amu.

Additional information

Authors: SCHUMACHER U, MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING (GERMANY);SPRINGMANN E MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING (GERMANY), MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING (GERMANY)
Bibliographic Reference: AVAILABILITY: MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, 8046 GARCHING BEI MUENCHEN (GERMANY), MENTIONING REPORT IPP 1/215, 1983
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