A Review of Recent Developments in Atomic Processes for Divertors and Edge Plasmas

Details A Review of Recent Developments in Atomic Processes for Divertors and Edge Plasmas A Review of Recent Developments in Atomic Processes for Divertors and Edge Plasmas

1995-06-19

arxiv.org/abs/plasm-ph/9506003v2

Physics

Plasma Physics

Preprint for the 11th PSI meeting, postscript with 22 figures, 40 pages

Scientific paper

10.1016/0022-3115(94)00453-6

The most promising concepts for power and particle control in tokamaks and other fusion experiments rely upon atomic processes to transfer the power and momentum from the edge plasma to the plasma chamber walls. This places a new emphasis on processes at low temperatures (1-200 eV) and high densities (10^20-10^22 m^-3). The most important atomic processes are impurity and hydrogen radiation, ionization, excitation, recombination, charge exchange, radiation transport, molecular collisions, and elastic scattering of atoms, molecules and ions. Important new developments have occurred in each of these areas. The best available data for these processes and an assessment of their role in plasma wall interactions are summarized, and the major areas where improved data are needed are reviewed.

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