Spectra of Se xvi to Se xxiv observed in a tokamak plasma

Jack Sugar; Victor Kaufman; William L. Rowan

doi:10.1364/JOSAB.5.000236

Journal of the Optical Society of America B
Vol. 5,
Issue 2,
pp. 236-242
(1988)
•https://doi.org/10.1364/JOSAB.5.000236

Spectra of Se xvi to Se xxiv observed in a tokamak plasma

Jack Sugar, Victor Kaufman, and William L. Rowan

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Jack Sugar, Victor Kaufman, and William L. Rowan, "Spectra of Se xvi to Se xxiv observed in a tokamak plasma," J. Opt. Soc. Am. B 5, 236-242 (1988)

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Abstract

Selenium was injected into the plasma of the Texas Experimental Tokamak by laser ablation. Spectra of Se ions stripped to the n = 3 shell were observed photographically with a 2.2-m vacuum spectrograph. Classifications of 60 lines arising from K-like to Na-like ions were determined. A wavelength accuracy of ±0.010 Å was obtained by calibration with internally generated Fe spectra.

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Spectrum	Wavelength (Å)	Intensity^a	Earlier Measurement^b	Classification
Se xvi (K-like)	101.559	2		3p⁶3d²D_3/2–3p⁵3d²	$({}^{3}F) {{}^{2}D}_{5 / 2}^{\circ}$
	101.663	40		²D_3/2–	$({}^{3}F) {{}^{2}D}_{3 / 2}^{\circ}$
	102.235	100		²D_5/2–	$({}^{3}P) {{}^{2}P}_{3 / 2}^{\circ}$
	102.536	10		²D_3/2–	$({}^{3}P) {{}^{2}P}_{1 / 2}^{\circ}$
	102.715	100		²D_5/2–	$({}^{3}F) {{}^{2}D}_{5 / 2}^{\circ}$
	110.087	20		²D_5/2–	$({}^{3}F) {{}^{2}F}_{7 / 2}^{\circ}$
	112.383	50		²D_3/2–	$({}^{3}F) {{}^{2}F}_{5 / 2}^{\circ}$
Se xvii (Ar-like)	105.841	400		3s²3p^{6 1}S₀–3s²3p⁵3d	${{}^{1}P}_{1}^{\circ}$
Se xvii (Ar-like)	131.001	20		¹S₀–	${{}^{3}D}_{1}^{\circ}$
Se xviii (Cl-like)	107.004	2		$3 s^{2} 3 p^{5} {{}^{2}P}_{3 / 2}^{\circ} - 3 s^{2} 3 p^{4}$	(³P)3d²P_1/2
	109.144	400		${{}^{2}P}_{3 / 2}^{\circ} -$	(³P) ²D_5/2
	109.873	50		${{}^{2}P}_{3 / 2}^{\circ} -$	(³P) ²P_3/2
	109.999	20		${{}^{2}P}_{1 / 2}^{\circ} -$	(³P) ²D_3/2
	111.977	10		${{}^{2}P}_{3 / 2}^{\circ} -$	(¹D) ²S_1/2
	115.060	10		${{}^{2}P}_{1 / 2}^{\circ} -$	(³P) ²P_1/2
	116.459	10		${{}^{2}P}_{3 / 2}^{\circ} -$	(¹S) ²D_3/2
Se xix (S-like)	113.824	50		3s²3p^{4 3}p₂–3s²3p³	$({}^{2}P) 3 d {{}^{3}D}_{3}^{\circ}$
	113.998	100		³P₂–	$({}^{2}D) {{}^{3}P}_{2}^{\circ}$
	114.126	20		¹D₂–	$({}^{2}D) {{}^{1}F}_{3}^{\circ}$
	116.255	5		¹D₂–	$({}^{2}D) {{}^{1}D}_{2}^{\circ}$
	117.364	8		³P₁–	$({}^{2}P) {{}^{3}D}_{2}^{\circ}$
	118.568	5		¹S₀	$({}^{2}P) {{}^{1}P}_{1}^{\circ}$
Se xx (P-like)	118.568	5		$3 s^{2} 3 p^{3} {{}^{2}D}_{3 / 2}^{\circ} - 3 s^{2} 3 p^{2}$	(³P)3d²F_5/2
	119.026	100		${{}^{2}D}_{5 / 2}^{\circ} -$	(³P) ²F_7/2
	120.014	20		${{}^{4}S}_{3 / 2}^{\circ} -$	(³P) ⁴P_3/2
	121.211	10		${{}^{4}S}_{3 / 2}^{\circ} -$	(³P) ⁴P_1/2
	123.331	60		${{}^{4}S}_{3 / 2}^{\circ} -$	(³P) ⁴P_5/2
	124.143	30		${{}^{2}P}_{3 / 2}^{\circ} -$	(³P) ²D_5/2
	218.188	10		${{}^{4}S}_{3 / 2}^{\circ} - 3 s 3 p^{4}$	⁴P_5/2
Se xxi (Si-like)	118.295	3		3s²3p^{2 3}P₂–3s²3p3d	${{}^{1}F}_{3}^{\circ}$
	124.620	2		³P₁	${{}^{3}P}_{1}^{\circ}$
	125.352	20		³P₀–	${{}^{3}D}_{1}^{\circ}$
	125.623	2	\	³P₁–	${{}^{3}P}_{0}^{\circ}$
	128.950	40		³P₂–	${{}^{3}D}_{3}^{\circ}$
	129.075	20		³D₂–	${{}^{1}F}_{3}^{\circ}$
	130.999	20		³P₂	${{}^{1}D}_{2}^{\circ}$
	135.768	30		¹S₀	${{}^{1}P}_{1}^{\circ}$
				³P₁	${{}^{3}P}_{2}^{\circ}$
	140.095	5 bl		³P₂–	${{}^{3}P}_{2}^{\circ}$
	144.344	2		¹D₂	${{}^{1}D}_{2}^{\circ}$
	159.828	10		³P₂–3s3p³	${{}^{3}S}_{1}^{\circ}$
Se xxii (Al-like)	131.612	100	0.66 HS	$3 s^{2} 3 p {{}^{2}P}_{1 / 2}^{\circ} - 3 s^{2} 3 d$	²D_3/2
	143.642	200	0.65 HS	${{}^{2}P}_{3 / 2}^{\circ} -$	²D_5/2
	145.741	10	0.80 HS	${{}^{2}P}_{3 / 2}^{\circ} -$	²D_3/2
	147.733	20	0.63 HS	${{}^{2}P}_{3 / 2}^{\circ} - 3 s 3 p^{2}$	²P_3/2
	150.322	20	0.34 HS	${{}^{2}P}_{1 / 2}^{\circ} -$	²S_1/2
	165.765	100	0.64 HS	${{}^{2}P}_{3 / 2}^{\circ} -$	²P_3/2
	168.917	30 cl	0.87 HS	${{}^{2}P}_{1 / 2}^{\circ} -$	²Pl/2
	168.983	10 cl	9.06 HS	${{}^{2}P}_{3 / 2}^{\circ} -$	²S_1/2
	194.502	10	0.44 HS	${{}^{2}P}_{1 / 2}^{\circ} -$	²D_3/2
	216.967	10		${{}^{2}P}_{3 / 2}^{\circ} -$	²D_5/2
Se xxii (Mg-like)	144.344	2		$3 s 3 p {{}^{3}P}_{1}^{\circ} - 3 s 3 d$	³D₁
	154.219	30	0.04 FH	${{}^{3}P}_{2}^{\circ} -$	³D₃
	159.031	40	8.86 FH	${{}^{1}P}_{1}^{\circ} -$	¹D₂
	176.036	1000	5.92 FH	3s^{2 1}S₀–3s3p	${{}^{1}P}_{1}^{\circ}$
	185.423	2		$3 s 3 p {{}^{3}P}_{2}^{\circ} - 3 p^{2}$	³P₂
	191.030	2		${{}^{3}P}_{1}^{\circ} -$	¹D₂
	265.822	60		3s¹S₀–3s3p	${{}^{3}P}_{1}^{\circ}$
Se xxiv (Na-like)^c	156.448	5	0.468 KRC	$3 p {{}^{2}P}_{1 / 2}^{\circ} - 3 d$	²D_3/2
	174.097	20	0.118 KRC	${{}^{2}P}_{3 / 2}^{\circ} -$	²D_5/2
	201.010	500	0.07 KRC	3s ²S_1/2–3p	${{}^{2}P}_{3 / 2}^{\circ}$
	239.123	300		²S_1/2	${{}^{2}P}_{1 / 2}^{\circ}$

Spectrum	Configuration	Term	J	Level^a	Leading Percentages
Se xvi (K-like)	3s²3p⁶3d	²D	3/2	0
			5/2	11 080 (50)
	3s²3p⁵3d²(³F)	²F∘	5/2	889 810 (90)	54	43	(¹G) ²F∘
			7/2	919 450 (90)	43	53
	3s²3p⁵3d²(³P)	²P∘	1/2	975 270 (90)	65	24	(¹S) ²P∘
			3/2	989 220 (90)	72	17	(¹D) ²P∘
	3s²3p⁵3d²(³F)	²D∘	3/2	983 640 (90)	69	18	(¹D) ²D∘
			5/2	984 650 (90)	69	17
Se xvii (Ar-like)	3s²3p⁶	¹S∘	0	0
	3s²3p⁵3d	¹P∘	1	944 810 (90)	98	2	³D∘
	3s²3p⁵d		1	763 350 (90)	98	2	¹P∘
Se xviii (Cl-like)	3s²3p⁵	²P∘	3/2	0
			1/2	65 454 (13)
	3s²3p⁴(¹S)3d	²D	3/2	858 670 (80)	51	21	(¹D) ²D
	3s²3p⁴(¹D)3d	²S	1/2	893 040 (80)	67	20	3s3p^{6 2}S
	3s²3p⁴(³P)3d	²P	3/2	910 140 (80)	47	26	(¹D) ²P
			1/2	934 550 (80)	50	39
	3s²3p⁴(³P)3d	²D	5/2	916 220 (80)	67	27	(¹D) ²D
			3/2	974 550 (80)	56	19	(¹S) ²D
Se xix (S-like)	3s²3p⁴	³P	2	0	86	14	¹D
			0	T 40170(10)	71	29	¹S
			1	57 880 (10)	100
	3s²3p⁴	¹D	2	T 91932 (10)	86	14	³P
	3s²3p⁴	¹S	0	181 290 (50)	71	29	³P
	3s²3p³(²D∘)3d	³P∘	2	877 210 (80)	69	10	(⁴S∘) ³D∘
	3s²3p³(²P∘)3d	³D∘	3	878 550 (80)	44	26	(⁴S∘) ³D∘
			2	909 930 (80)	22	22
	3s²Sp³(²D∘)3d	¹D∘	2	T 952 110 (80)	45	17	(²P∘) ¹D∘
	3s²3p³(²D∘)3d	¹P∘	3	T968 160 (80)	53	31	(²P∘) ¹P∘
	3s²3p³(²P∘)3d	¹P∘	1	1024 690 (80)	72	10	(⁴S∘) ³D∘
Se xx (P-like)	3s²3p³	⁴S∘	3/2	0	77	17	²P∘
	3s²3p³	²D∘	3/2	64 687 (10)	70	17	⁴S∘
			5/2	88 067 (10)	100
	3s²3p³	2P∘	1/2	T 130 450 (35)	100
			3/2	T 174 720 (35)	69	24	⁴S∘
	3s3p⁴	⁴P	5/2	458 320 (20)	85	9	3p²(³P)3d⁴P
	3s²3p²(³P)3d	⁴P	5/2	810 830 (70)	78	8	3s3p^{4 4}P
			1/2	825 010 (70)	56	23	3p²(¹D)3d²P
			3/2	833 240 (70)	36	21	(³P)3d²D
	3s²3p²(³P)3d	²F	5/2	908 080 (70)	29	23	(¹D) ²F
			7/2	928 220 (70)	63	34
	3s²3p²(³P)3d	²D	5/2	T980 240 (70)	37	21	(¹S) ²D
Se xxi (Si-like)	3s²3p²	³P	0	0	88	12	¹S
			1	48 956 (10)	100
			2	71695 (10)	65	35
	3s²3p²	¹D	2	142 271 (20)	65	35	³P
	3s²3p²	¹S	0	T 205 300 (70)	88	12	³P
	3s3p³	³S∘	1	697 370 (40)	64	29	¹P°
	3s²3p3d	³P∘	2	785 500 (60)	49	20	³D∘
			0	844 990 (60)	94	6	3s3p^{3 3}P∘
			1	851 400 (60)	65	24	3p3d³D∘
	3s²3p3d	¹D∘	2	835 060 (60)	36	35	³D∘
	3s²3p3d	³D∘	1	797 750 (60)	60	20	³P×
			3	847 190 (60)	83	7	3s3p^{3 3}D∘
	3s²3p3d	¹F∘	3	917 030 (60)	92	6	3p3d³D∘
	3s²3p3d	¹P∘	1	T 941 850 (60)	80	12	3s3p^{3 1}P∘
Se xxii (Al-like)	3s²3p	²P∘	1/2	0
			3/2	73 639 (10)
	3s3p²	²D	3/2	514 134 (30)	85	11	3s²3d²D
			5/2	534 538 (30)	78	11
	3s3p²	²P	1/2	592 007 (30)	56	40	²S
			3/2	676 900 (30)	94	4	3s²3d²D
	3s3p²	²S	1/2	665 239 (40)	55	44	²P
	3s²3d	²D	3/2	759 800 (50)	85	13	3s3p^{2 2}D
			5/2	769 810 (50)	89	11
Se xxiii (Mg-like)	3s²	¹S	0	0	98	2	³P^{2 1}S
	3s3p	³P∘	0	[357 600]	100
			1	376 192 (15)	96	4	¹P∘
			2	434 532 (20)	100
	3s3p	¹P∘	1	568066 (30)	96	4	³P∘
	3p²	³P	0	[848 860]	89	11
			1	[901 390]	100
			2	973 839 (40)	71	21	¹D
	3p²	¹D	2	899 670 (30)	60	28	³P
	3s3d	³D	1	1068 980 (50)	100
			2	[1074 370]	100
			3	1082 960 (50)	100
	3s3d	¹D	2	1196 870 (50)	80	19	³P^{2 1}D
Se xxiv (Na-like)	3s	²S	1/2	0
	3p	²P∘	1/2	418 195 (20)
			3/2	497 488 (20)
	3d	²D	3/2	1057 385 (40)
			5/2	1071 880 (40)

	Se xviii (n = 5)	Se xix (n = 4)	Se xx (n = 3)	Se xxi (n = 2)	Se xxii (n = 1)	Se xxiii (n = 0)
3s²3pⁿ
F²(pp)		177 190 (20)	180 220 (90)	180 170 (400)
ζ(3p)	43 636^a	45 051 (3)	46 670 (20)	47 612 (60)	49 093^a
α		306 (1)	215 (5)	360 (40)
3s3pⁿ⁻¹ 3d
F²(pp)	159 620^b	167 720^b	184 140^b
F²(pd)	178 630 (120)	176 270 (500)	184 890 (4000)	182 643 (40)
G¹(pd)	178 090 (40)	183 500 (250)	215 320 (2000)	200 009 (30)
G³(pd)	117 200^c	121 260^c	142 850^c	133 223^c
ζ(3p)	44 240(20)	46 890 (80)	43 890 (700)	48 657 (7)
ζ(3d)	4 068^b	4 138^b	4 449^b	4 410 (5)	5 347^a
α	250^b	250^b	250^b	250^b
D¹(pd)				14 358 (60)
3s3pⁿ⁺¹
F²(pp)					185 452^a
G¹(ps)					219 978^a	228 070 (100)
ζ(3p)					49 328^a	51 270 (40)
α					2506
R¹(pp, sd)	204 670 (50)	221 450^b	218 130 (2000)	185 436 (50)	232 893^a

	3s²	3p²	3s3d	Fitted/HFR
F²(pp)		182 100 (90)		0.853
G²(sd)			168 860 (25)	0.973
ζ(3p)		52 462^a		1.046
ζ(3d)			5586(4)	0.923
R¹(ss, pp)	230 525^a			0.850
R¹(sd, pp)		206 168^a		0.850

	Se xviii (3s² 3p⁵)	Sexix (3s² 3p⁴)	Se xx (3s² 3p³)	Se xxi (3s² 3p²)	Se xxii (3s² 3p)
3s²3pⁿ
F²(pp)		0.869	0.873	0.862
ζ(3p)	1.011	1.012	1.015	1.005	1.007
3s²3pⁿ⁻¹3d
F²(pp)	0.794	0.824	0.894
F²(pd)	0.891	0.866	0.897	0.874
G¹(pd)	0.795	0.814	0.950	0.877
G³(pd)	0.795	0.814	0.950	0.877
ζ(3p)	1.027	1.055	0.956	1.030
ζ(3d)	0.831	0.809	0.832	0.790	0.866
3s3pⁿ⁺¹
F²(pp)					0.878
G¹(sp)					0.818
ζ(3p)					1.012
R₁(pp, sd)	0.871	0.936	0.916	0.773	0.965

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Journal of the Optical Society of America B