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Table 6

Collision strengths of the DW4 calculation for a sample of transitions to the main n = 4 levels.

i − j 0.00 0.80 2.24 4.82 9.48 17.80 32.90 60.00

1–265 2.5-2 2.8-2 3.2-2 4.1-2 5.6-2 9.2-2 1.4-1 1.3-1
1–289 1.3-2 1.4-2 1.6-2 1.9-2 2.5-2 3.9-2 5.7-2 5.6-2
1–291 2.6-2 2.9-2 3.3-2 4.0-2 5.5-2 8.6-2 1.3-1 1.3-1
1–377 6.1-2 6.1-2 6.2-2 6.2-2 6.4-2 6.5-2 6.6-2 6.7-2
1–424 3.2-2 3.3-2 3.4-2 3.6-2 4.0-2 4.3-2 4.6-2 5.1-2
1–454 6.4-1 6.5-1 6.7-1 6.9-1 7.1-1 7.3-1 7.5-1 7.6-1
1–460 5.5-2 5.6-2 5.6-2 5.8-2 6.0-2 6.2-2 6.3-2 6.4-2
1–536 2.8-2 3.1-2 3.5-2 4.4-2 6.3-2 1.0-1 1.5-1 1.8-1
1–596 4.9-1 4.9-1 5.0-1 5.2-1 5.5-1 5.7-1 5.9-1 6.1-1
1–749 9.0-2 9.3-2 9.7-2 1.0-1 1.2-1 1.4-1 1.6-1 1.8-1
1–813 1.3-1 1.3-1 1.4-1 1.6-1 1.9-1 2.3-1 2.7-1 3.2-1

Notes. The first column indicates the lower and upper levels of the transition, the rest are the collision strengths at the final energy values (Ryd) indicated in the first row. ab Indicates a × 10b.

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