Some theoretical aspects of charged fusion product plasma diagnostics
1985
The inverse problem for drift losses of fusion alpha particles in a tokamak – the problem of calculating plasma parameters from known distributions of the alpha particle flux over the wall surface – is analysed. As the PLT experiments have shown, the energy spectrum of fusion charged particles escaping from the plasma can give an idea on the plasma temperature. The paper demonstrates that from a known spatial distribution of the particle flux it is possible also to determine the distributions of plasma density, ion temperature and plasma current. – The results of numerical modelling are given for some particular cases in which the aim was to establish the current density and the fusion alpha particle source profiles.
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