Spectra of the Noble Gases in the 4-μ Region*

Curtis J. Humphreys; Edward Paul; Robert D. Cowan; Kenneth L. Andrew

doi:10.1364/JOSA.57.000855

Journal of the Optical Society of America
Vol. 57,
Issue 7,
pp. 855-864
(1967)
•https://doi.org/10.1364/JOSA.57.000855

Spectra of the Noble Gases in the 4-μ Region

Curtis J. Humphreys, Edward Paul, Robert D. Cowan, and Kenneth L. Andrew

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Curtis J. Humphreys, Edward Paul, Robert D. Cowan, and Kenneth L. Andrew, "Spectra of the Noble Gases in the 4-μ Region*," J. Opt. Soc. Am. 57, 855-864 (1967)

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Abstract

The spectra of neon, argon, krypton, and xenon have been observed in the wavelength region 3.8 to 4.1 μ, using an infrared spectrometer equipped with cooled lead sulfide detector. The most important observations are of the near-hydrogenic and closely pair-coupled 4f–5g transitions, which establish for the first time all the 5g level pairs lying below the first ionization limit of each element. A detailed investigation of the theoretically predicted 4f–5g energy levels and relative line strengths shows very good agreement with observation. Various p–s, p–d, and d–f transitions have been identified, the most significant new result being the establishment of the level pairs $5 f {[4 \frac{1}{2}]}_{4, 5}$ and $5 f {[3 \frac{1}{2}]}_{3, 4}$ of Ne i, which previously had been only estimated.

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Int.	λ	σ	Transition
Int.	λ	σ	Paschen	Racah
NEON
9	39012.21	2562.60	4d₆ −5X₁	$4 d {[0 \frac{1}{2}]}_{0} ° - 5 f {[1 \frac{1}{2}]}_{1}$
30	39129.38	2554.93	4d₅ −5X_1,2	$4 d {[0 \frac{1}{2}]}_{1} ° - 5 f {[1 \frac{1}{2}]}_{1, 2}$
6	39312.68	2543.02	4d₄′ −5Z_3,4	$4 d {[3 \frac{1}{2}]}_{4} ° - 5 f {[3 \frac{1}{2}]}_{3, 4}$
3	39330.36	2541.87	4d₄ −5Z_3,4	$4 d {[3 \frac{1}{2}]}_{3} ° - 5 f {[3 \frac{1}{2}]}_{3, 4}$
400	39445.95	2534.42	4d₄′ −5V_4,5	$4 d {[3 \frac{1}{2}]}_{4} ° - 5 f {[4 \frac{1}{2}]}_{4, 5}$
250	39464.70	2533.22	4d₄ −5V₄	$4 d {[3 \frac{1}{2}]}_{3} ° - 5 f {[4 \frac{1}{2}]}_{4}$
55	39556.10	2527.37	4d₃ −5Y_2,3	$4 d {[1 \frac{1}{2}]}_{2} ° - 5 f {[2 \frac{1}{2}]}_{2, 3}$
	39556.90	2527.32	3s₅ −4p₅	$5 s {[1 \frac{1}{2}]}_{2} ° - 5 p^{'} {[1 \frac{1}{2}]}_{1}$
60	39627.80	2522.79	4s₁‴′ −5U_2,3	$4 d^{'} {[2 \frac{1}{2}]}_{2} ° - 5 f^{'} {[2 \frac{1}{2}]}_{2, 3}$
120	39642.41	2521.86	4s₁‴ −5U_2,3	$4 d^{'} {[2 \frac{1}{2}]}_{3} ° - 5 f^{'} {[2 \frac{1}{2}]}_{2, 3}$
70	39658.88	2520.82	4s₁″ −5U_2,3	$4 d^{'} {[1 \frac{1}{2}]}_{2} ° - 5 f^{'} {[2 \frac{1}{2}]}_{2, 3}$
10	39692.10	2518.71	4d₃ −5X_1,2	$4 d {[1 \frac{1}{2}]}_{2} ° - 5 f {[1 \frac{1}{2}]}_{1, 2}$ s
25	39798.98	2511.94	4d₂ −5Y₂	$4 d {[1 \frac{1}{2}]}_{1} ° - 5 f {[2 \frac{1}{2}]}_{2}$
35	39806.30	2511.48	3p₃ −3s₄	$4 p {[0 \frac{1}{2}]}_{0} - 5 s {[1 \frac{1}{2}]}_{1} °$
30	39829.78	2510.00	4s₁′ −5U₂	$4 d^{'} {[1 \frac{1}{2}]}_{1} ° - 5 f {[2 \frac{1}{2}]}_{2}$
2	39936.67	2503.28	4d₂ −5X_1,2	$4 d {[1 \frac{1}{2}]}_{1} ° - 5 f {[1 \frac{1}{2}]}_{1, 2}$
45	40062.74	2495.40	4d₁″ −5Z₃	$4 d {[2 \frac{1}{2}]}_{2} ° - 5 f {[3 \frac{1}{2}]}_{3}$
100	40079.15	2494.38	4d₁′ −5Z_3,4	$4 d {[2 \frac{1}{2}]}_{3} ° - 5 f {[3 \frac{1}{2}]}_{3, 4}$
3	40128.37	2491.32	4d₁″ −5Y_2,3	$4 d {[2 \frac{1}{2}]}_{2} ° - 5 f {[2 \frac{1}{2}]}_{2, 3}$
6	40145.50	2490.26	4d₁′ −5Y_2,3	$4 d {[2 \frac{1}{2}]}_{3} ° - 5 f {[2 \frac{1}{2}]}_{2, 3}$
500	40240.96	2484.35		$4 f {[1 \frac{1}{2}]}_{1, 2} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
9	40279.15	2482.00		$4 f {[4 \frac{1}{2}]}_{4, 5} - 5 g {[4 \frac{1}{2}]}_{4, 5} °$
2500	40344.06	2478.00		$4 f {[4 \frac{1}{2}]}_{4, 5} - 5 g {[5 \frac{1}{2}]}_{5, 6} °$
1300	40414.97	2473.66		$4 f^{'} {[3 \frac{1}{2}]}_{3, 4} - 5 g^{'} {[4 \frac{1}{2}]}_{4, 5} °$
700	40418.82	2473.42		$4 f^{'} {[2 \frac{1}{2}]}_{2, 3} - 5 g^{'} {[3 \frac{1}{2}]}_{3, 4} °$
600	40447.17	2471.69		$4 f {[2 \frac{1}{2}]}_{2, 3} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
8	40511.85	2467.74		$4 f {[2 \frac{1}{2}]}_{2, 3} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
1250	40552.60	2465.26		$4 f {[3 \frac{1}{2}]}_{3, 4} - 5 g {[4 \frac{1}{2}]}_{4, 5} °$
10	40575.72	2463.86		$4 f {[3 \frac{1}{2}]}_{3, 4} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
ARGON
240	39653.45	2521.16		$4 f {[1 \frac{1}{2}]}_{1} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
500	39659.85	2520.75		$4 f {[1 \frac{1}{2}]}_{2} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
65	39737.96	2515.80		$4 f {[4 \frac{1}{2}]}_{4, 5} - 5 g {[4 \frac{1}{2}]}_{4, 5} °$
50	39824.461	2510.335	3s₁‴′ −3p₇	$3 d^{'} {[2 \frac{1}{2}]}_{2} ° - 5 p {[1 \frac{1}{2}]}_{1}$
2500	39898.23	2505.69		$4 f {[4 \frac{1}{2}]}_{4, 5} - 5 g {[5 \frac{1}{2}]}_{5, 6}$
200	39997.240	2499.491	3p₆ −3s₆	$5 p {[1 \frac{1}{2}]}_{2} - 6 s {[1 \frac{1}{2}]}_{2} °$
600	40069.42	2494.99		$4 f^{'} {[3 \frac{1}{2}]}_{3, 4} - 5 g^{'} {[4 \frac{1}{2}]}_{4, 5} °$
200	40081.23	2494.25		$4 f^{'} {[2 \frac{1}{2}]}_{3} - 5 g^{'} {[3 \frac{1}{2}]}_{3, 4} °$
100	40086.94	2493.90		$4 f^{'} {[2 \frac{1}{2}]}_{2} - 5 g^{'} {[3 \frac{1}{2}]}_{3, 4} °$
440	40153.84	2489.74		$4 f {[2 \frac{1}{2}]}_{3} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
280	40158.77	2489.44		$4 f {[2 \frac{1}{2}]}_{2} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
30	40315.73	2479.75		$4 f {[2 \frac{1}{2}]}_{3} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
8	40320.70	2479.44		$4 f {[2 \frac{1}{2}]}_{2} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
1200	40422.10	2473.22		$4 f {[3 \frac{1}{2}]}_{3, 4} - 5 g {[4 \frac{1}{2}]}_{4, 5} °$
55	40479.64	2469.70		$4 f {[3 \frac{1}{2}]}_{3, 4} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
KRYPTON
250	39283.80	2544.88		$4 f {[1 \frac{1}{2}]}_{1} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
500	39300.65	2543.79		$4 f {[1 \frac{1}{2}]}_{2} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
70	39376.81	2538.87		$4 f {[4 \frac{1}{2}]}_{4, 5} - 5 g {[4 \frac{1}{2}]}_{4, 5} °$
1100	39486.745	2531.805	3p₉ −3s₅	$6 p {[2 \frac{1}{2}]}_{3} - 7 s {[1 \frac{1}{2}]}_{2} °$
220	39557.178	2527.297	3p₈ −4d₂	$6 p {[2 \frac{1}{2}]}_{2} - 5 d {[1 \frac{1}{2}]}_{1} °$
100	39572.774	2526.301	3p₈ −3s₅	$6 p {[2 \frac{1}{2}]}_{2} - 7 s {[1 \frac{1}{2}]}_{2} °$
1400	39588.40	2525.30		$4 f {[4 \frac{1}{2}]}_{5} - 5 g {[5 \frac{1}{2}]}_{5, 6} °$
1100	39589.58	2525.23		$4 f {[4 \frac{1}{2}]}_{4} - 5 g {[5 \frac{1}{2}]}_{5, 6} °$
120	39820.052	2510.613	4p₉ −4d₄′	$7 p {[2 \frac{1}{2}]}_{3} - 5 g {[3 \frac{1}{2}]}_{4} °$
500	39954.83	2502.14		$4 f {[2 \frac{1}{2}]}_{3} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
300	39966.61	2501.41		$4 f {[2 \frac{1}{2}]}_{2} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
25	40175.55	2488.40		$4 f {[2 \frac{1}{2}]}_{3} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
15	40189.02	2487.56		$4 f {[2 \frac{1}{2}]}_{2} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
1300	40306.11	2480.34		$4 f {[3 \frac{1}{2}]}_{3, 4} - 5 g {[4 \frac{1}{2}]}_{4, 5} °$
60	40381.28	2475.72		$4 f {[3 \frac{1}{2}]}_{3, 4} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
250	40685.368	2457.216	3p₇ −3s₄	$6 p {[1 \frac{1}{2}]}_{1} - 7 s {[1 \frac{1}{2}]}_{1} °$
XENON
22	38668.34	2585.39		$4 f {[4 \frac{1}{2}]}_{5} - 5 g {[4 \frac{1}{2}]}_{4, 5} °$
18	38680.18	2584.60		$4 f {[4 \frac{1}{2}]}_{4} - 5 g {[4 \frac{1}{2}]}_{4, 5} °$
200	38686.295	2584.190	2p₃ −3s₁‴	$6 p^{'} {[1 \frac{1}{2}]}_{2} - 5 d^{'} {[2 \frac{1}{2}]}_{3} °$
150	38727.17	2581.46		$4 f {[1 \frac{1}{2}]}_{1} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
250	38738.043	2580.738	3p₉ −3s₄	$7 p {[2 \frac{1}{2}]}_{2} - 8 s {[1 \frac{1}{2}]}_{1} °$
350	38868.17	2572.10		$4 f {[1 \frac{1}{2}]}_{2} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
25 000	38939.777	2567.368	2p₈ −3d₄	$6 p {[2 \frac{1}{2}]}_{3} - 5 d {[3 \frac{1}{2}]}_{3} °$
1400	38949.04	2566.76		$4 f {[4 \frac{1}{2}]}_{5} - 5 g {[5 \frac{1}{2}]}_{5, 6} °$
1100	38962.44	2565.87		$4 f {[4 \frac{1}{2}]}_{4} - 5 g {[5 \frac{1}{2}]}_{5, 6} °$
28	39154.448	2553.292	2p₄ −3S₄	$6 p^{'} {[1 \frac{1}{2}]}_{1} - 8 s {[1 \frac{1}{2}]}_{1} °$
400	39473.17	2532.68		$4 f {[2 \frac{1}{2}]}_{3} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
200	39519.08	2529.73		$4 f {[2 \frac{1}{2}]}_{2} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
7	39759.27	2514.45		$4 f {[2 \frac{1}{2}]}_{3} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
4	39810.99	2511.18		$4 f {[2 \frac{1}{2}]}_{2} - 5 g {[2 \frac{1}{2}]}_{2, 3} °$
2500	39954.750	2502.149	2p₁₀ −3d₆	$6 p {[0 \frac{1}{2}]}_{1} - 5 d {[0 \frac{1}{2}]}_{0} °$
1200	39956.10	2502.06		$4 f {[3 \frac{1}{2}]}_{4} - 5 g {[4 \frac{1}{2}]}_{4, 5} °$
30	40059.77	2495.59		$4 f {[3 \frac{1}{2}]}_{3, 4} - 5 g {[3 \frac{1}{2}]}_{3, 4} °$
33	40196.154	2487.122	2s₄ −3p₁₀	$7 s {[1 \frac{1}{2}]}_{1} ° - 7 p {[0 \frac{1}{2}]}_{1}$
18	40757.888	2452.844	3p₉ −3s₅	$7 p {[2 \frac{1}{2}]}_{2} - 8 s {[1 \frac{1}{2}]}_{2} °$

		$5 g {[4 \frac{1}{2}]}_{4, 5} °$	$5 g {[3 \frac{1}{2}]}_{3, 4} °$	$5 g {[5 \frac{1}{2}]}_{5, 6} °$	$5 g {[2 \frac{1}{2}]}_{2, 3} °$

		169544.22	169542.74	169540.25	169538.90
$4 f {[3 \frac{1}{2}]}_{4}$	167078.94₁	2465.26	2463.86		⋯
$4 f {[3 \frac{1}{2}]}_{3}$	167078.93₂	2465.26	2463.86		⋯
$4 f {[2 \frac{1}{2}]}_{2}$	167071.02₇		2471.69		2467.74
$4 f {[2 \frac{1}{2}]}_{3}$	167071.01₄		2471.69		2467.74
$4 f {[4 \frac{1}{2}]}_{4}$	167062.25₁	2482.00	⋯	2478.00
$4 f {[4 \frac{1}{2}]}_{5}$	167062.25₇	2482.00	⋯	2478.00
$4 f {[1 \frac{1}{2}]}_{2}$	167054.60₇				2484.35
$4 f {[1 \frac{1}{2}]}_{1}$	167054.59₅				2484.35

$5 g^{'} {[4 \frac{1}{2}]}_{4, 5} °; 5 g^{'} {[3 \frac{1}{2}]}_{3, 4} °$

170322.05

$4 f^{'} {[2 \frac{1}{2}]}_{2}$	167848.63₉	2473.42
$4 f^{'} {[2 \frac{1}{2}]}_{3}$	167848.62₇	2473.42
$4 f^{'} {[3 \frac{1}{2}]}_{4}$	167848.39₄	2473.66
$4 f^{'} {[3 \frac{1}{2}]}_{3}$	167848.38₀	2473.66

		$5 g {[4 \frac{1}{2}]}_{4, 5} °$	$5 g {[3 \frac{1}{2}]}_{3, 4} °$	$5 g {[5 \frac{1}{2}]}_{5, 6} °$	$5 g {[2 \frac{1}{2}]}_{2, 3} °$

		122723.12	122719.54	122712.87	122709.43
$4 f {[3 \frac{1}{2}]}_{4}$	120249.955	2473.22	2469.70		⋯
$4 f {[3 \frac{1}{2}]}_{3}$	120249.917	2473.22	2469.70		⋯
$4 f {[2 \frac{1}{2}]}_{2}$	120230.104		2489.44		2479.44
$4 f {[2 \frac{1}{2}]}_{3}$	120229.791		2489.74		2479.75
$4 f {[4 \frac{1}{2}]}_{4}$	120207.216	2515.80	⋯	2505.69
$4 f {[4 \frac{1}{2}]}_{5}$	120207.175	2515.80	⋯	2505.69
$4 f {[1 \frac{1}{2}]}_{2}$	120188.672				2520.75
$4 f {[1 \frac{1}{2}]}_{1}$	120188.274				2521.16

		$5 g^{'} {[3 \frac{1}{2}]}_{3, 4} °$	$5 g^{'} {[4 \frac{1}{2}]}_{4, 5} °$

		124148.52	124148.30

$4 f^{'} {[2 \frac{1}{2}]}_{2}$	121654.621	2493.90
$4 f^{'} {[2 \frac{1}{2}]}_{3}$	121654.275	2494.25
$4 f^{'} {[3 \frac{1}{2}]}_{4}$	121653.321	⋯	2494.99
$4 f^{'} {[3 \frac{1}{2}]}_{3}$	121653.279	⋯	2494.99

		$5 g {[4 \frac{1}{2}]}_{4, 5} °$	$5 g {[3 \frac{1}{2}]}_{3, 4} °$	$5 g {[5 \frac{1}{2}]}_{5, 6} °$	$5 g {[2 \frac{1}{2}]}_{2, 3} °$

		108528.52	108523.82	108514.87	108510.14
$4 f {[3 \frac{1}{2}]}_{4}$	106048.19	2480.34	2475.72		⋯
$4 f {[3 \frac{1}{2}]}_{3}$	106048.19	2480.34	2475.72		⋯
$4 f {[2 \frac{1}{2}]}_{2}$	106022.425		2501.41		2487.56
$4 f {[2 \frac{1}{2}]}_{3}$	106021.657		2502.14		2488.40
$4 f {[4 \frac{1}{2}]}_{4}$	105989.64		⋯	2525.23
estimate		2538.87
$4 f {[4 \frac{1}{2}]}_{5}$	105989.57		⋯	2525.30
$4 f {[1 \frac{1}{2}]}_{2}$	105966.379				2543.79
$4 f {[1 \frac{1}{2}]}_{1}$	105965.258				2544.88

		$5 g {[4 \frac{1}{2}]}_{4, 5} °$	$5 g {[3 \frac{1}{2}]}_{3, 4} °$	$5 g {[5 \frac{1}{2}]}_{5, 6} °$	$5 g {[2 \frac{1}{2}]}_{2, 3} °$

		93446.64	93440.27	93427.89	93421.91^b
$4 f {[3 \frac{1}{2}]}_{4}$	90944.629	2502.06	2495.59		⋯
$4 f {[3 \frac{1}{2}]}_{3}$	90944.546	2502.06	2495.59		⋯
$4 f {[2 \frac{1}{2}]}_{2}$	90910.548		2529.73		2511.18
$4 f {[2 \frac{1}{2}]}_{3}$	90907.586		2532.68		2514.45
$4 f {[4 \frac{1}{2}]}_{4}$	90862.002	2584.60	⋯	2565.87
$4 f {[4 \frac{1}{2}]}_{5}$	90861.151	2585.39	⋯	2566.76
$4 f {[1 \frac{1}{2}]}_{2}$	90849.936				2572.10
$4 f {[1 \frac{1}{2}]}_{1}$	90840.273				2581.46

Level pair	Observed	Estimated^a
$5 f {[4 \frac{1}{2}]}_{4, 5}$	169536.37	169536.3
$5 f {[3 \frac{1}{2}]}_{3, 4}$	169545.00	169545.0

	−E^a	−E_c	−E−E_c	ΔE_av
	−E^a	−E_c	−E−E_c	calc	obs
Ne 4f	0.06250	0.00004	0.06254	0.02254	0.02254
Ne 5g	0.04000	0.00000	0.04000	0.02254	0.02254
Ar 4f	0.06251	0.00018	0.06269	0.02269	0.02274
Ar 5g	0.04000	0.00000	0.04000	0.02269	0.02274
Kr 4f	0.06252	0.00032	0.06284	0.02283	0.02287
Kr 5g	0.04000	0.00001	0.04001	0.02283	0.02287
Xe 4f	0.06256	0.00056	0.06312	0.02309	0.02316
Xe 5g	0.04001	0.00002	0.04003	0.02309	0.02316

		E_av	ζ_p	F₂	G_l₋₁	G_l₊₁	ζ_l	σ(%)^b
p⁵4f Ne	em	−6864^c	520.3±0	1.115± 3	0.001± 1	0.000± 2	0.002±12	0.19
p⁵4f Ne	th	−6863	651.3	1.029	0.0006	0.0003	0.002
Ar	em	−6888^c	954.0±2	2.839±19	0.011± 8	0.000±16	0.001±80	0.51
Ar	th	−6879	1092.3	3.109	0.011	0.006	0.002
Kr	em	−6905^c	3579.7±5	3.819±51	0.032±22	0.000±44	0.00 ±22	1.0
Kr	th	−6896	3807.2	4.334	0.027	0.016	0.002
Xe	em	−6941^d	7024.9^e	4.80 ±40	0.15 ±22	0.07 ±46	0.50 ±2.4	5.4
Xe	th	−6926	6914.5	6.35	0.090	0.056	0.005
p⁵5g Ne	em	−4390^c	520.2±0	0.051± 0	0.000± 1	0.000± 1	0.000± 6	0.55
p⁵5g Ne	th	−4389	651.3	0.048	<10⁻⁵	<10⁻⁵	0.001
Ar	em	−4393^c	954.5±0	0.133± 1	0.002± 3	0.000± 2	0.000±12	0.45
Ar	th	−4389	1092.3	0.144	4.10⁻⁵	1.10⁻⁵	0.001
Kr	em	−4395^d	3580.7^e	0.177± 1	0.000± 3	0.000± 2	0.000±13	0.23
Kr	th	−4390	3807.2	0.200	1.10⁻⁴	3.10⁻⁵	0.001
Xe	em	−4399^d	7024.9^e	0.240± 3	0.000±13	0.000± 9	0.000±58	0.76
Xe	th	−4393	6914.7	0.286	3.10⁻⁴	1.10⁻⁴	0.001

	120 F₂/ζ_p	50 F₂/ζ_p	Pair shift		Diff.	Obs.^a
	120 F₂/ζ_p	50 F₂/ζ_p	K = 5/2	K = 7/2	Diff.	Obs.^a
p⁵4 f Ne	0.26	0.11	0.29 cm⁻¹	0.12 cm⁻¹	0.17 cm⁻¹	0.25 cm⁻¹
Ar	0.36	0.15	1.01	0.42	0.59	1.00
Kr	0.13	0.05	0.49	0.20	0.29	1.89
Xe	0.08	0.03	0.39	0.16	0.23	⋯

	2823 F₂/ζ_p	1437 F₂/ζ_p	K = 7/2	K = 9/2

p⁵5g Ne	0.27	0.14	0.014	0.007	0.007	⋯
Ar	0.39	0.20	0.051	0.026	0.025	0 22
Kr	0.14	0.07	0.025	0.013	0.012	⋯
Xe	0.10	0.05	0.023	0.012	0.011	⋯

Conf.	Separation	Ne		Ar		Kr		Xe
Conf.	Separation	S	8S/S₂	S	8S/S₂	S	8S/S₂	S	8S/S₂
p⁵4f	$S_{1} = \frac{3}{2} {[3 \frac{1}{2}]}_{3} - \frac{3}{2} {[2 \frac{1}{2}]}_{3}$	7.92	7.23	20.13	7.12	26.53	6.61	36.96	6.37
	$S_{2} = \frac{3}{2} {[2 \frac{1}{2}]}_{3} - \frac{3}{2} {[4 \frac{1}{2}]}_{5}$	8.76	8.00	22.62	8.00	32.09	8.00	46.43	8.00
	$S_{3} = \frac{3}{2} {[4 \frac{1}{2}]}_{5} - \frac{3}{2} {[1 \frac{1}{2}]}_{1}$	7.66	7.00	18.90	6.69	24.31	6.06	20.88	3.60

		S	50S/S₅	S	50S/S₅	S	50S/S₅	S	50S/S₅

p⁵5g	$S_{4} = \frac{3}{2} {[4 \frac{1}{2}]}_{4} - \frac{3}{2} {[3 \frac{1}{2}]}_{4}$	1.48	29.7	3.58	26.8	4.70	26.3	6.37	25.7
	$S_{5} = \frac{3}{2} {[3 \frac{1}{2}]}_{4} - \frac{3}{2} {[5 \frac{1}{2}]}_{6}$	2.49	50.0	6.67	50.0	8.95	50.0	12.38	50.0
	$S_{6} = \frac{3}{2} {[5 \frac{1}{2}]}_{6} - \frac{3}{2} {[2 \frac{1}{2}]}_{2}$	1.35	27.1	3.44	25.8	4.73	26.4	6.16	24.9

	j₁[K]	Ne	Ar	Kr	Xe
s₁	$\frac{3}{2} [3 \frac{1}{2}]$	0.00₉	0.038	0.00	0.083^d
s₂	$\frac{3}{2} [2 \frac{1}{2}]$	0.01₃	0.213^a	0.768^a	2.982^a,^d
s₃	$\frac{3}{2} [4 \frac{1}{2}]$	−0.00₆	0.041	∼0.07^b	0.851^a,^d
s₄	$\frac{3}{2} [1 \frac{1}{2}]$	0.01₂	0.398^a	1.121^a	9.663^a,^d
s₅	$\frac{1}{2} [2 \frac{1}{2}]$	0.01₂	0.346^a	0.88^c	⋯
s₆	$\frac{1}{2} [3 \frac{1}{2}]$	0.01₄	0.042	−0.5^c	⋯

Abstract

Cited By

Figures (3)

Tables (11)

Equations (159)

Journal of the Optical Society of America