Table 2: Comparison between present (RM1) and earlier (RM2: Aggarwal 1992) results of effective collision strengths for transitions within the levels of the (1s²2s²2p²) ground configuration of Ca XV. ( $a\pm b\equiv {a}\times {10}^{{\pm }b}$ ).
$\log~ T_{\rm e}$ 5.0 5.0 6.0 6.0 7.0 7.0 K

Transition I-J RM1 RM2 RM1 RM2 RM1 RM2

³P₀-³P₁ 1-2 2.387-1 1.679-1 1.258-1 1.743-1 3.885-2 3.872-2

³P₀-³P₂ 1-3 6.914-2 1.211-1 5.799-2 2.430-1 2.780-2 5.157-2

³P₀-¹D₂ 1-4 4.855-2 4.178-2 2.573-2 2.187-2 1.225-2 7.742-3

³P₀-¹S₀ 1-5 8.017-3 1.327-2 5.628-3 7.203-3 3.231-3 1.493-3

³P₁-³P₂ 2-3 3.911-1 5.386-1 4.647-1 8.777-1 1.372-1 1.911-1

³P₁-¹D₂ 2-4 1.665-1 1.555-1 9.944-2 9.186-2 4.981-2 3.181-2

³P₁-¹S₀ 2-5 2.269-2 3.104-2 1.822-2 1.797-2 1.041-2 4.974-3

³P₂-¹D₂ 3-4 3.926-1 3.899-1 2.455-1 3.602-1 1.102-1 1.001-1

³P₂-¹S₀ 3-5 2.339-2 4.975-2 2.262-2 3.220-2 1.462-2 9.405-3

¹D₂-¹S₀ 4-5 2.023-1 2.105-1 1.052-1 9.690-2 5.912-2 4.982-2

**Table 2:** Comparison between present (RM1) and earlier (RM2: Aggarwal 1992) results of effective collision strengths for transitions within the levels of the (1s²2s²2p²) ground configuration of Ca XV. ( $a\pm b\equiv {a}\times {10}^{{\pm }b}$ ).
$\log~ T_{\rm e}$	5.0	5.0	6.0	6.0	7.0	7.0 K
Transition	I-J	RM1	RM2	RM1	RM2	RM1	RM2
³P₀-³P₁	1-2	2.387-1	1.679-1	1.258-1	1.743-1	3.885-2	3.872-2
³P₀-³P₂	1-3	6.914-2	1.211-1	5.799-2	2.430-1	2.780-2	5.157-2
³P₀-¹D₂	1-4	4.855-2	4.178-2	2.573-2	2.187-2	1.225-2	7.742-3
³P₀-¹S₀	1-5	8.017-3	1.327-2	5.628-3	7.203-3	3.231-3	1.493-3
³P₁-³P₂	2-3	3.911-1	5.386-1	4.647-1	8.777-1	1.372-1	1.911-1
³P₁-¹D₂	2-4	1.665-1	1.555-1	9.944-2	9.186-2	4.981-2	3.181-2
³P₁-¹S₀	2-5	2.269-2	3.104-2	1.822-2	1.797-2	1.041-2	4.974-3
³P₂-¹D₂	3-4	3.926-1	3.899-1	2.455-1	3.602-1	1.102-1	1.001-1
³P₂-¹S₀	3-5	2.339-2	4.975-2	2.262-2	3.220-2	1.462-2	9.405-3
¹D₂-¹S₀	4-5	2.023-1	2.105-1	1.052-1	9.690-2	5.912-2	4.982-2

Source LaTeX | All tables | In the text