The light nuclei such as deuterium and tritium can fuse to produce other
nuclei such as alpha particle and neutron. In this process, kinetic energies
come out with alpha particle and neutron. However, the nuclear fusion power
deceases when the plasma is diluted by unwanted impurity particles. Moreover,
the heavy impurity particles can be more harmful since they cause the radiation
power loss, which decreases the plasma temperature. In this presentation, the
basics of impurity particle transport is discussed. Recent experimental results
are also introduced. |
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