All Figures

$\begin{figure} \par\includegraphics[angle=-90,width=8cm,clip]{2351fig1.ps} \end{figure}$ Figure 1: Partial collision strengths for the 2s ²S_1/2-2p ²P ${\rm ^o}_{3/2}$ transition (2-4) in Al XIII at 4 electron energies of 170 Ryd (circles), 200 Ryd (triangles), 250 Ryd (stars), and 300 Ryd (squares).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8cm,clip]{2351fig2.ps} \end{figure}$ Figure 2: Partial collision strengths for the 2p ²P ${\rm ^o}_{1/2}$ -3d ²D_3/2 transition (3-7) in Al XIII at 4 electron energies of 170 Ryd (circles), 200 Ryd (triangles), 250 Ryd (stars), and 300 Ryd (squares).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8cm,clip]{2351fig3.ps} \end{figure}$ Figure 3: Partial collision strengths for the 4d ²D_5/2-5d ²D_5/2 transition (14-22) in Al XIII at 4 electron energies of 170 Ryd (circles), 200 Ryd (triangles), 250 Ryd (stars), and 300 Ryd (squares).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=90,width=8cm,clip]{2351fig4.ps} \end{figure}$ Figure 4: Collision strengths for the 1s ²S_1/2-2s ²S_1/2 transition (1-2) in Al XIII.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=90,width=8cm,clip]{2351fig5.ps} \end{figure}$ Figure 5: Collision strengths for the 2p ²P ${\rm ^o}_{3/2}$ -3s ²S_1/2 transition (4-6) in Al XIII.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=90,width=8cm,clip]{2351fig6.ps} \end{figure}$ Figure 6: Collision strengths for the 3d ²D_5/2-4s ²S_1/2 transition (9-11) in Al XIII.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8cm,clip]{2351fig7.ps} \end{figure}$ Figure 7: Comparison between present (continuous curve) and earlier (Aggarwal et al. 2001) effective collision strengths for the 1s ²S-2s ²S ( 1-2: stars and the lowest curve), 2s ²S-3s ²S ( 2-4: squares and the middle curve), and 3d ²D-4p ²P ${\rm ^o}$ ( 6-8: circles and the upper curve) transitions in Al XIII.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8.1cm,clip]{2351fig8.ps} \end{figure}$ Figure 8: Comparison between present (continuous curve) and earlier (Aggarwal et al. 2001) effective collision strengths for the 2p ²P ${\rm ^o}$ -3s ²S ( 3-4: stars and the lowest curve), 3p ²P ${\rm ^o}$ -4s ²S ( 5-7: squares and the upper curve), and 3d ²D-4s ²S ( 6-7: circles and the middle curve) transitions in Al XIII. The results obtained without near threshold resonances (see Sect. 4) are shown as broken curves.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8cm,clip]{2351fig1.ps} \end{figure}$	Figure 1: Partial collision strengths for the 2s ²S_1/2-2p ²P ${\rm ^o}_{3/2}$ transition (2-4) in Al XIII at 4 electron energies of 170 Ryd (circles), 200 Ryd (triangles), 250 Ryd (stars), and 300 Ryd (squares).
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90,width=8cm,clip]{2351fig2.ps} \end{figure}$	Figure 2: Partial collision strengths for the 2p ²P ${\rm ^o}_{1/2}$ -3d ²D_3/2 transition (3-7) in Al XIII at 4 electron energies of 170 Ryd (circles), 200 Ryd (triangles), 250 Ryd (stars), and 300 Ryd (squares).
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90,width=8cm,clip]{2351fig3.ps} \end{figure}$	Figure 3: Partial collision strengths for the 4d ²D_5/2-5d ²D_5/2 transition (14-22) in Al XIII at 4 electron energies of 170 Ryd (circles), 200 Ryd (triangles), 250 Ryd (stars), and 300 Ryd (squares).
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=90,width=8cm,clip]{2351fig4.ps} \end{figure}$	Figure 4: Collision strengths for the 1s ²S_1/2-2s ²S_1/2 transition (1-2) in Al XIII.
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=90,width=8cm,clip]{2351fig5.ps} \end{figure}$	Figure 5: Collision strengths for the 2p ²P ${\rm ^o}_{3/2}$ -3s ²S_1/2 transition (4-6) in Al XIII.
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=90,width=8cm,clip]{2351fig6.ps} \end{figure}$	Figure 6: Collision strengths for the 3d ²D_5/2-4s ²S_1/2 transition (9-11) in Al XIII.
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90,width=8cm,clip]{2351fig7.ps} \end{figure}$	Figure 7: Comparison between present (continuous curve) and earlier (Aggarwal et al. 2001) effective collision strengths for the 1s ²S-2s ²S ( 1-2: stars and the lowest curve), 2s ²S-3s ²S ( 2-4: squares and the middle curve), and 3d ²D-4p ²P ${\rm ^o}$ ( 6-8: circles and the upper curve) transitions in Al XIII.
Open with DEXTER