Radiative transition rates and collision strengths for Si II

Home

All issues

Volume 508 / No 3 (December IV 2009)

A&A, 508 3 (2009) 1527-1537

Full HTML

Free Access

Table 5:

Comparison of Maxwellian averaged collision strengths in JJ-coupling from present calculation (Present), Tayal (2008; Tayal), and Dufton & Kingston (1991; DK).
Upper level	T (K)	Present	Tayal	DK
3s²3p ²P $^\circ _{3/2}$	5000	4.55	6.19	5.60
	10 000	4.45	6.09	5.70
	20 000	4.42	5.97	5.77
3s3p² ⁴P_1/2	5000	0.401	0.512	0.550
	10 000	0.398	0.515	0.516
	20 000	0.392	0.502	0.466
3s3p² ⁴P_3/2	5000	0.612	0.812	0.832
	10 000	0.609	0.789	0.780
	20 000	0.602	0.769	0.706
3s3p² ⁴P_5/2	5000	0.441	0.615	0.571
	10 000	0.458	0.595	0.534
	20 000	0.477	0.589	0.488
3s3p² ²D_1/2	5000	1.82	2.77	2.76
	10 000	1.82	2.74	2.74
	20 000	1.75	2.50	2.58
3s3p² ²D_3/2	5000	2.05	2.94	2.45
	10 000	2.14	2.98	2.44
	20 000	2.14	2.80	2.30
3s²4s ²S_1/2	5000	0.910	1.02	1.24
	10 000	0.865	1.06	1.20
	20 000	0.857	0.979	1.04
3s3p² ²S_1/2	5000	0.887	0.102	0.716
	10 000	0.899	0.988	0.840
	20 000	0.916	0.988	0.902

Source LaTeX | All tables | In the text

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.