Neutral particle heating

Particles with high kinetic energy that are injected into the plasma transfer their energy to the plasma particles through collisions and heat them: In a neutral particle injector first the ions are produced in an ion source and then accelerated by an electric field. To allow the fast ions to penetrate into the plasma without hindrance from the magnetic field cage, first they have to be re-neutralised. The neutralised particles shoot into the plasma and transfer their energy to the plasma particles through collisions.

 
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