Particle diagnostics of ion cyclotron resonance plasma heating in the Globus-M tokamak
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- Chernyshev, F.V., Ayushin, B.B., Gusev, V.K. et al. Plasma Phys. Rep. (2009) 35: 903. doi:10.1134/S1063780X09110014
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Basic experimental results on cyclotron heating of the ion plasma component in the Globus-M spherical tokamak obtained by means of the ACORD-12 charge-exchange ion analyzer are presented. A procedure for determining the maximum energy of fast ions confined in the plasma is described. The procedure was applied to estimate the limiting energy of hydrogen minority ions accelerated during ion cyclotron heating in the Globus-M tokamak. The experimental evaluation of the maximum hydrogen ion energy is confirmed by simulations of ion orbits. Recommendations for optimizing experiments on ion cyclotron heating in the Globus-M tokamak are formulated.