Assignments and Mean-Life Measurements for O ii and O iii Ions

M. Druetta; M. C. Poulizac; M. Dufay

doi:10.1364/JOSA.61.000515

Journal of the Optical Society of America
Vol. 61,
Issue 4,
pp. 515-518
(1971)
•https://doi.org/10.1364/JOSA.61.000515

Assignments and Mean-Life Measurements for O ii and O iii Ions

M. Druetta, M. C. Poulizac, and M. Dufay

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M. Druetta, M. C. Poulizac, and M. Dufay, "Assignments and Mean-Life Measurements for O ii and O iii Ions," J. Opt. Soc. Am. 61, 515-518 (1971)

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Abstract

Spectra of an ionized oxygen beam, excited by the beam-foil technique, have been studied in the wavelength range 1100–6000 Å, between 0.2 and 2 MeV. Radiative mean lives have been generally measured from 0.2 to 2 MeV. Transition probabilities and oscillator strengths have been deduced from some of them.

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λ(Å)measured^a	Upper level of the transition	τ(10⁻⁹ s)	Other decay constants		Other values (τ 10⁻⁹ s)
			τ′(10⁻⁹s)	α
3712^m	3p ⁴S°	5.4^b	11		4.8^d
3749^m		5.8
4317^m	3p ⁴P°	8.5			8.54^e
4350^vs		7.7			7.7^e
4640^vs		12	9	0.8
4650^vs	3p ⁴D°	10	6, 20	0.7, 0.4
4660^s		19^c	12	0.5
4153^m	3d ⁴P	4.2	10	0.3
3882^w		2.6	8	0.7
4103^w	3d ⁴D	3	13	0.3
4120^m		3	15	0.2
4072^vs	3d ⁴F	5.6	20	0.4	5.29^e
4092^w		4.2	19	0.4	4.18^e
3973^s	3p ²P°	7.1			6.0^f
4415^vs	3p ²D°	11			11.8^e
2300^w		5.1
3912^m	3p′ ²P°	4.9
3919^w		4.8
4590^vs	3p′ ²F°	14	4	0.5	9.5,^d 10.7,^d 12,^d
					14,^d 8.7,^f 12.8^e
4596^vs		14	4.5	0.3
4185^s	3d′ ²G	9.5	25	0.2	5.05^e
4189^vs		6.1	20	0.3
4144^m	3d‴ ⁶D°	2.6	14	0.15
4468	3p‴ ⁶P	10.5

λ (Å) measured^a	Upper level of the transition	τ 10⁻⁹ s	Other decay constants		Other values (τ 10⁻⁹ s)
			τ′(10⁻⁹s)	α
3135^w	4s ⁴P	3.0	7	0.2
3277^w		3.2
4276^m	4f ⁴F°	4.0	25	0.3
4610^w	4f ²F°	4.4	25	0.5
4378^m	4f′ ²F°	4.0	25	0.25
4253^s	4f′ ²H°	5.5	30	0.15	6.9,^b 4.35^c
3218^w	4s‴ ⁶S	1.5

λ(Å) measured^a	Upper level of the transition	τ (10⁻⁹ s)	Other decay constants		Other values (τ 10⁻⁹ s)
			(τ = 10⁻⁹s)	α
1588	Unidentified	0.6^b	2, 6.5	0.4, 0.75	0.44^d
1767	…	2.8^b	18	0.5	1.2^d
1923	…	1.4^b	12	0.6	1.3^d
2288^w	4p ⁵D°	3.3
2316^w	4p ³P	2
2383^w	4p ³D	3.0^c	0.95		3.5^e
2455^w	3p ¹S	2.2^c	1.2		1.8^f
2497^w	4p ⁵D°	3.7^c	2.8, 20		3.71^e
2509^w	4p ⁵D°	3.6^c	2.7, 14.5		3.8,^f 3.4,^f 5.44,^g 3.55,^e 2.83^e
2515^w	4p ⁵D°	3.4^c	2.6
2534^w	4p ³D	3.5
2558^w	4p ¹D	3.9			4.57^e
2597^w	4p ³S	1.9	1.3	0.5
2605^w	4p ³S	1.6	1.3	0.65
2609^w	4p ³S	1.6	1.2	0.75
2666^w	3p ⁵S°	3.2
2675^w	3p ⁶S°	2.8			2.75^e
2686^m	3p ⁵S°	3.0			4.20,^g 2.97^e
2984^vs	3p ¹D	2.9			4.4,^f 3.5^f 4.6,^h 3.25^g 3.37^e
3024^m	3p ³P	2.8			2.20,^g 2.86^e
3036^w	3p ³P	3.7^b			3.71^e
3047^vs	3p ³P	3			2.5,^f 3.36,^g 3.35^e
3059^m	3p ³P	2.1^b
3088^w	3d ⁵D	7.0
3261^s	3d³F°	5.7			4.81^g
3266^vs	3d³F°	7.0			5.13,^g 5.04^e
3312^w	3p ³S	3.5			2.9,ⁱ 2.7^e
3340^w	3p ³S	3.1
3351^m	3p ⁵P°	7.2	4.5	0.35	10,^f 22.8^g
3362^s	3p ⁵P°	7.0^c	4, 0.80	0.45
3385^m	3d ⁵D	8.6^c	14		25.2^g
3450^s	3d ⁵F	6.6			9.0,^g 7.61,^g 6.4^h
3900^vs	3p ⁵D°	10.4	5	0.5
3712^s	3p ⁵D°	10.6^c	5	0.5
3756^vs	3p ³D	7.8	2	0.35
3760^vs	3p ³D	8.6	2.3	0.35
3774^s	3p ³D	5.9			4.67^g
3791^s	3p ³D	7.6	2	0.4
4435^s	Unclassified	4.0	30	0.15
5593^m	3p ¹P	7.5	5	0.5

Transitions	λ(Å)	This work	A_ij (10⁸ s⁻¹) NBS table	Other values
O ii
3s ⁴P–3p ⁴S°	3736	1.78	1.77^a–^c
3p ⁴D°–3d ⁴F	4075	2.04	1.98^a,^b
3p′ ²F°–3d′ ²G	4188	1.47	2.51^a–^c	1.43^d
3d′′ ²G–4f ²H°	4254	1.82	2.63^a–^c	1.62^d
3s ⁴P–3p ⁴P°	4341	1.23	1.05^a–^c
3s ²P–3p ²D°	4418	0.92	1.13^a–^c	1.05^d
3s‴ ⁶S°–3p‴ ⁶P	4467	0.95	0.92^a
3s′ ²D–3p′ ²F°	4593	0.70	1.11^a–^c
3s ⁴P–3p ⁴D°	4651	0.89	1.02^a–^c
O iii
3s ⁵P–3p ⁵S°	2678	3.3^a	2.99
3s ⁵P–3p ⁵P°	3346	1.4^a	1.50
3s ⁵P–3p ⁵D°	3706	0.95^a	1.09
3p ⁵D°–3d ⁵F	3453	1.5^a	1.67	1.36,^d 1.3^e
3p ⁵D–3d ³F°	3266	1.6^a,^b	2.08	1.96^f

λ(Å)measured^a	Upper level of the transition	τ(10⁻⁹ s)	Other decay constants		Other values (τ 10⁻⁹ s)
			τ′(10⁻⁹s)	α
3712^m	3p ⁴S°	5.4^b	11		4.8^d
3749^m		5.8
4317^m	3p ⁴P°	8.5			8.54^e
4350^vs		7.7			7.7^e
4640^vs		12	9	0.8
4650^vs	3p ⁴D°	10	6, 20	0.7, 0.4
4660^s		19^c	12	0.5
4153^m	3d ⁴P	4.2	10	0.3
3882^w		2.6	8	0.7
4103^w	3d ⁴D	3	13	0.3
4120^m		3	15	0.2
4072^vs	3d ⁴F	5.6	20	0.4	5.29^e
4092^w		4.2	19	0.4	4.18^e
3973^s	3p ²P°	7.1			6.0^f
4415^vs	3p ²D°	11			11.8^e
2300^w		5.1
3912^m	3p′ ²P°	4.9
3919^w		4.8
4590^vs	3p′ ²F°	14	4	0.5	9.5,^d 10.7,^d 12,^d
					14,^d 8.7,^f 12.8^e
4596^vs		14	4.5	0.3
4185^s	3d′ ²G	9.5	25	0.2	5.05^e
4189^vs		6.1	20	0.3
4144^m	3d‴ ⁶D°	2.6	14	0.15
4468	3p‴ ⁶P	10.5

Abstract

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Journal of the Optical Society of America