A theoretical study of the 3d-2p resonance to intercombination line-intensity ratio in mid-/Z Ne-like ions

The oscillator strengths of the 2p⁵3d_3/2 ¹P₁-2p^{6 1}S₀ and 2p⁵3d_5/2 ³D₁-2p^{6 1}S₀ resonance and intercombination transitions in seven Ne-like ions, namely CrXV, FeXVII, NiXIX, ZnXXI, GeXXIII, SeXXV and KrXXVII, are calculated by using a relativistic multi-configuration Dirac-Fock method. In the calculations, main correlation and relaxation effects are considered. The results are compared with some experimental measurements and theoretical predictions as far as available. In addition, the relative oscillator strength ratios of resonance and intercombination lines for those ions are compared with the recent experiments made on a tokamak and electron-beam ion trap.