Near-threshold photoionization of xenon metastable atoms*

R. D. Rundel; F. B. Dunning; H. C. Goldwire; R. F. Stebbings

doi:10.1364/JOSA.65.000628

Journal of the Optical Society of America
Vol. 65,
Issue 6,
pp. 628-633
(1975)
•https://doi.org/10.1364/JOSA.65.000628

Near-threshold photoionization of xenon metastable atoms

R. D. Rundel, F. B. Dunning, H. C. Goldwire, and R. F. Stebbings

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R. D. Rundel, F. B. Dunning, H. C. Goldwire, and R. F. Stebbings, "Near-threshold photoionization of xenon metastable atoms*," J. Opt. Soc. Am. 65, 628-633 (1975)

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Abstract

Photoionization from the 5p⁵(²P_3/2)6s[3/2]₂ and 5p⁵(²P_1/2)6s′[1/2]₀ metastable levels of atomic xenon has been studied in the wavelength range from the threshold at 4622 Å to 2700 Å. Structure in the photoionization signal, due to autoionization, is analyzed to provide term values, lifetimes, and line-shape parameters of the autoionizing states. These parameters, together with the estimated absolute cross sections, are used to derive discrete and continuum oscillator strengths.

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Transition	E_r (cm⁻¹)	Γ (cm⁻¹)	q	τ (10⁻¹² sec)	Quantum defect
6s′[1/2]₀ → 7p′[3/2]₁	22 658 ± 8	28.8 ± 0.5	−7.2 ± 0.5	1.16 ± 0.02	3.6042 ± 0.0004
6s′[1/2]₀ → 7p′[1/2]₁	22 863 ± 9	76.8 ± 0.5	−11.8 ± 0.5	0.434 ± 0.002	3.5670 ± 0.0005
6s′[1/2]₀ → 8p′[3/2]₁	26 529 ± 9	13.4 ± 0.5	−3.7 ± 0.5	2.49 ± 0.09	3.5910 ± 0.0008
6s′[1/2]₀ → 8p′[1/2]₁	26 627 ± 8	31.2 ± 0.5	−20.3 ± 1	1.07 ± 0.01	3.5522 ± 0.0007
6s [3/2]₂ → 7p′[3/2]_1,2	31 814 ± 15	51 ± 30	−0.9 ± 2	0.65 ± 0.37	3.5994 ± 0.0008
6s [3/2]₂ → 7p′[1/2]₁	31 995 ± 10	88.6 ± 1	−24.8 ± 2	0.377 ± 0.004	3.5665 ± 0.0005
6s [3/2]₂ → 8p′[1/2]₁	35 757 ± 9	37.0 ± 0.5	−14.0 ± 2	0.90 ± 0.01	3.5519 ± 0.0008
6s [3/2]₂ → 4f′[7/2]₃, [5/2]_2,3	34 355 ± 8	7.6 ± 0.5	−16.4 ± 2	4.4 ± 0.3	0.0259 ± 0.0006
6s [3/2]₂ → 5f′[7/2]₃, [5/2]_2,3	36 864 ± 9	5.2 ± 0.5	−10.3 ± 2	6.4 ± 0.6	0.0281 ± 0.0010

Transition	Q_A(10⁻¹⁸ cm²)	Q_B(10⁻¹⁸ cm²)	〈χ_E\|z\|ψ₀〉(10⁻¹⁰ cm eV^−1/2)	〈Φ\|z\|ψ₀〉 (10⁻¹⁰ cm)	$\frac{d f}{d E} ({eV}^{- 1})$	f
6s′[1/2]₀ → 7p′[3/2]₁	0.5	1.2	7.9	4.2	0.015	1.3×10⁻³
6s′[1/2]₀ → 7p′[1/2]₁	0.1	1.2	3.7	5.3	0.012	2.1×10⁻³
6s′[1/2]₀ → 8p′[3/2]₁	0.4	1.4	6.2	1.2	0.016	1.1×10⁻⁴
6s′[1/2]₀ → 8p′[1/2]₁	0.01₅	1.4	1.3	2.0	0.013	3.4×10⁻⁴
6s [3/2]₂ → 7p′[3/2]_1,2	0.08	0.5	2.7	0.24	0.005	≲10⁻⁶
6s [3/2]₂ → 7p′[1/2]₁	0.002	0.5	0.4	1.4	0.005	1.9×10⁻⁴
6s [3/2]₂ → 8p′[1/2]₁	0.003	0.4	0.5	0.59	0.003	4.1×10⁻⁵
6s [3/2]₂ → 4f′[7/2]₃, [5/2]_2,3	0.05	0.2	1.9	1.2	0.003	1.7×10⁻⁴
6s [3/2]₂ → 5f′[7/2]₃, [5/2]_2,3	0.09	0.2	2.6	0.84	0.002	8.3×10⁻⁵

Transition	E_r (cm⁻¹)	Γ (cm⁻¹)	q	τ (10⁻¹² sec)	Quantum defect
6s′[1/2]₀ → 7p′[3/2]₁	22 658 ± 8	28.8 ± 0.5	−7.2 ± 0.5	1.16 ± 0.02	3.6042 ± 0.0004
6s′[1/2]₀ → 7p′[1/2]₁	22 863 ± 9	76.8 ± 0.5	−11.8 ± 0.5	0.434 ± 0.002	3.5670 ± 0.0005
6s′[1/2]₀ → 8p′[3/2]₁	26 529 ± 9	13.4 ± 0.5	−3.7 ± 0.5	2.49 ± 0.09	3.5910 ± 0.0008
6s′[1/2]₀ → 8p′[1/2]₁	26 627 ± 8	31.2 ± 0.5	−20.3 ± 1	1.07 ± 0.01	3.5522 ± 0.0007
6s [3/2]₂ → 7p′[3/2]_1,2	31 814 ± 15	51 ± 30	−0.9 ± 2	0.65 ± 0.37	3.5994 ± 0.0008
6s [3/2]₂ → 7p′[1/2]₁	31 995 ± 10	88.6 ± 1	−24.8 ± 2	0.377 ± 0.004	3.5665 ± 0.0005
6s [3/2]₂ → 8p′[1/2]₁	35 757 ± 9	37.0 ± 0.5	−14.0 ± 2	0.90 ± 0.01	3.5519 ± 0.0008
6s [3/2]₂ → 4f′[7/2]₃, [5/2]_2,3	34 355 ± 8	7.6 ± 0.5	−16.4 ± 2	4.4 ± 0.3	0.0259 ± 0.0006
6s [3/2]₂ → 5f′[7/2]₃, [5/2]_2,3	36 864 ± 9	5.2 ± 0.5	−10.3 ± 2	6.4 ± 0.6	0.0281 ± 0.0010

Transition	Q_A(10⁻¹⁸ cm²)	Q_B(10⁻¹⁸ cm²)	〈χ_E\|z\|ψ₀〉(10⁻¹⁰ cm eV^−1/2)	〈Φ\|z\|ψ₀〉 (10⁻¹⁰ cm)	$\frac{d f}{d E} ({eV}^{- 1})$	f
6s′[1/2]₀ → 7p′[3/2]₁	0.5	1.2	7.9	4.2	0.015	1.3×10⁻³
6s′[1/2]₀ → 7p′[1/2]₁	0.1	1.2	3.7	5.3	0.012	2.1×10⁻³
6s′[1/2]₀ → 8p′[3/2]₁	0.4	1.4	6.2	1.2	0.016	1.1×10⁻⁴
6s′[1/2]₀ → 8p′[1/2]₁	0.01₅	1.4	1.3	2.0	0.013	3.4×10⁻⁴
6s [3/2]₂ → 7p′[3/2]_1,2	0.08	0.5	2.7	0.24	0.005	≲10⁻⁶
6s [3/2]₂ → 7p′[1/2]₁	0.002	0.5	0.4	1.4	0.005	1.9×10⁻⁴
6s [3/2]₂ → 8p′[1/2]₁	0.003	0.4	0.5	0.59	0.003	4.1×10⁻⁵
6s [3/2]₂ → 4f′[7/2]₃, [5/2]_2,3	0.05	0.2	1.9	1.2	0.003	1.7×10⁻⁴
6s [3/2]₂ → 5f′[7/2]₃, [5/2]_2,3	0.09	0.2	2.6	0.84	0.002	8.3×10⁻⁵

Abstract

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Equations (22)

Journal of the Optical Society of America