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Fig. 7.
Contribution of excitations to the shells with n ≼ 5 (blue), n ≼ 10 (green), and n ≼ 20 (red) from the 3s (panel a) and 3p (panel b) subshells for the metastable 3F4 level. The cross sections calculated without radiative damping are represented by dashed lines.
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