Relativistic quantum mechanical calculations of electron-impact broadening for spectral lines in Be-like ions

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Volume 547 (November 2012)

A&A, 547 (2012) A4

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Table 1

Electron-impact widths W (FWHM) for the N IV transitions at various electron temperatures T_e and electron densities N_e.


N IV	T _e	N _e	W	w ₁	w ₂	w _m	w _c
Transition	(10⁴ K)	(10¹⁷ cm^-3)	(Å)	(Å)	(Å)	(Å)	(Å)


	5.4	2.8	0.400	0.381	0.555	0.410^c	0.246
(3478.72 Å)	7.24	0.86	0.110	0.116	0.170	0.122^a	0.070
	7.83	0.99	0.122	0.132	0.194	0.136^a	0.080
	8.01	1.13	0.138	0.151	0.221	0.148^a	0.090
	8.07	1.21	0.147	0.161	0.237	0.153^a	0.094
	8.12	5.80	0.703	0.773	1.13	0.84^b	0.452
	8.23	1.33	0.160	0.177	0.26	0.172^a	0.102
	9.63	8.1	0.909	1.06	1.55	1.11^b	0.613
	9.86	15.8	1.75	2.05	3.02	1.46^b	1.168
	10.1	19.4	2.213	2.51	3.69	1.72^b	1.421
	10.44	10.6	1.15	1.36	2.01	1.11^b	0.776


	5.4	2.8	0.403	0.383	0.564	0.330^c	0.246
(3483.00 Å)	7.24	0.86	0.110	0.117	0.172	0.122^a	0.070
	7.83	099	0.123	0.133	0.197	0.136^a	0.080
	8.01	1.13	0.139	0.152	0.225	0.150^a	0.090
	8.07	1.21	0.148	0.163	0.240	0.150^a	0.095
	8.12	5.8	0.708	0.778	1.15	0.84^b	0.449
	8.23	1.33	0.161	0.178	0.264	0.174	0.102
	9.63	8.1	0.916	1.06	1.58	1.10^b	0.604
	9.86	15.8	1.77	2.08	3.07	1.46^b	1.168
	10.1	19.4	2.15	2.53	3.75	1.72^b	1.433
	10.44	10.6	1.15	1.38	2.04	1.11^b	0.776


	5.4	2.8	0.400	0.385	0.571	0.400^c	0.245
(3484.93 Å)	7.24	0.86	0.110	0.117	0.174	0.122^a	0.070
	7.83	0.99	0.122	0.134	0.199	0.146^a	0.080
	8.01	1.13	0.138	0.153	0.227	0.146^a	0.090
	8.07	1.21	0.147
	8.12	5.8	0.705	0.782	1.16	0.84^b	0.454
	8.23	1.33	0.161
	9.63	8.1	0.912	1.07	1.59	1.10^b	0.601
	9.86	15.8	1.76	2.08	3.09	1.46^b	1.159
	10.1	19.4	2.14	2.54	3.78	1.72^b	1.433
	10.44	10.6	1.15	1.38	2.06	1.11^b	0.776

Notes. Vacuum wavelengths given in parentheses for each transition, W presents calculations, w₂ full quantum mechanical calculations, w₁ simplified calculations of Elabidi et al. (2008), w_m experimental widths, w_c the quantum calculations of Ralchenko et al. (2001) (same notations in the following tables); ^(a), ^(b), and ^(c) represent for experiments Blagojević et al. (1999), Wrubel et al. (1998), and Milosavljević & Djenize (1998), respectively.

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