Influence of resonances on spectral formation of x-ray lines in Fe XVII.
作者： Guo Xin Chen , Anil K. Pradhan
DOI: 10.1103/PHYSREVLETT.89.013202
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摘要: New theoretical results from large-scale relativistic close coupling calculations reveal the precise effect of resonances in collisional excitation of x-ray lines of Ne-like Fe XVII. By employing the Breit-Pauli R-matrix method and an 89-level eigenfunction expansion, including up to n= 4 levels, significant resonance enhancement of the collision strengths of forbidden and intercombination transitions is shown. The present results should help resolve long-standing discrepancies; in particular, the present line ratios of three benchmark …
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