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Fig. 8
EUV photon flux required to maintain an ionized fraction of 50%, N+/N = 1, (blue curve) and 83%, N+/N = 5, (red curve) for a density of n(e) = 10 cm−3, when the only loss processes is electron recombination as a function of the plasma temperature, Tkin (K). The curves are proportional to density.
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