Theoretical calculations of electron impact broadening o f Al X lines

The width and shift of the Al X resonance line 2s2 1S-2s2p1P0 were calculated using R-matrix method and semi-empirical method. Good agreement was found between the two calculations. The semi-empirical method can easily obtain large numbers of widths and there fore can be applied to derive the opacity of plasmas using detailed-term-accounting-approximation calculations. Some other widths of Al X lines were also obtained using the semi-empirical method. Detailed-term-accounting model can obtain accurate opacities of high temperature plasmas, but it requires large number s of atomic parameters such as excitation energies, oscillator strengths and widths of dipole allowed transitions. The results presented in this paper show that the calculations of the electron impact broadening can be greatl