1967OR03: ⁹Be(n, γ), E = thermal; measured E_γ, I_γ; deduced Q. ¹⁰Be deduced transitions. Ge(Li) detectors.

1967RA24: ⁹Be(n, γ), E = thermal; measured E_γ; deduced Q.

1968GRZY: ⁹Be(n, γ), E = thermal; measured E_γ, deduced Q. Ge(Li) detector.

1969WE10: ⁹Be(n, γ), E = thermal; measured σ(E_γ). ¹⁰Be transition deduced no Doppler broadening.

1974JUZW: ⁹Be(n, γ), E = thermal; measured E_γ, I_g; deduced σ. ¹⁰Be deduced transitions.

1980IS02: ⁹Be(n, γ), E thermal; measured E_γ, I_g. ¹⁰Be deduced Q, neutron binding energy.

1985MU03: ⁹Be(n, γ), E = thermal; analyzed E1 transitions following capture; deduced spin-spin potential parameters. ¹⁰Be levels deduced spectroscopic amplitudes, phases. Direct capture model.

1986CO14: ⁹Be(n, γ), E = thermal; measured E_γ, I_g; deduced capture s relative to ¹⁴N(n, g). Pair spectrometer, NaI(Tl), Ge detectors.

1986KE14: E = reactor; measured γ-spectra following capture. ¹⁰Be levels deduced I_g.

1987LY01: ⁹Be(n, γ), E = thermal; calculated capture σ. Optical model, Lane-Lynn-Raman method.

1999ZHZM, 2000ZHZP: ⁹Be(n, γ), E = thermal; compiled, evaluated prompt γ-ray data.

2002RE13: ⁹Be(n, γ), E = thermal; compiled, analyzed prompt E_γ, I_g.

2003MOZU: ⁹Be(n, γ), compiled, analyzed capture σ, neutron binding energies.

EGAF: ⁹Be(n, γ), measured, evaluated neutron capture reactions.

Measured total cross section for ⁹Be(n, γ)¹⁰Be

Recommended value:	8.77 ± 0.35 mb	(2003MUZZ)
Measured values:	8.8 ± 0.6 mb	(EGAF)
	8.77 ± 0.35 mb	(2003MUZZ)
	8.49 ± 0.34 mb	(1986CO14)
	7.6 ± 0.8 mb	(1981MUZQ)
	9.2 ± 1.0 mb	(1973MU14)

Recommended Values

taken from the Evaluated Gamma-ray Activation File (EGAF) evaluation

 

Eγ (keV)	Ei (keV)	Ef (keV)	σγ	Iγ a
3367.448 ± 0.025	3368.056	0	(2.85 ± 0.22) x 10 -3	32.4 ± 3.3
2590.014 ± 0.019	5958.43	3368.056	(1.91 ± 0.15) x 10 -3	21.7 ± 2.3
5956.53 ± 0.03		0	(1.46 ± 0.12) x 10 -4	1.66 ± 0.18
5958.85 ± 0.12	5960.76	0	(6.8 ± 0.8) x 10 -6	0.077 ± 0.011
219.40 ± 0.10	6180.16	5960.76	(4.5 ± 0.6) x 10 -6	0.051 ± 0.008
2811.68 ± 0.05		3368.056	(1.05 ± 0.12) x 10 -5	0.119 ± 0.016
304.24 ± 0.13	6264.53	5960.76	(2.3 ± 0.5) x 10 -6	0.026 ± 0.006
2896.02 ± 0.04		3368.056	(1.16 ± 0.13) x 10 -5	0.132 ± 0.017
547.55 ± 0.04	Capture State	6264.53	(1.09 ± 0.10) x 10 -5	0.124 ± 0.014
631.92 ± 0.04		6180.16	(1.8 ± 0.4) x 10 -5	0.205 ± 0.048
853.630 ± 0.012		5958.47	(2.08 ± 0.24) x 10 -3	23.6 ± 3.2
3443.406 ± 0.02		3368.056	(9.8 ± 0.7) x 10 -4	11.1 ± 1.1
6809.61 ± 0.03		0	(5.8 ± 0.5) x 10 -3	65.9 ± 7.2

a) Iγ: Intensity per 100 neutron captures.

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Branching Ratios deduced from

Thermal Neutron Capture g-decay

 

Eγ (keV)	Ei (keV)	Ef (keV)	Branching Ratio (%)
3367.448 ± 0.025	3368.056	0	100
2590.014 ± 0.019	5958.43	3368.056	92.9
5956.53 ± 0.03		0	7.1
5958.85 ± 0.12	5960.76	0	100
219.40 ± 0.10	6180.16	5960.76	30
2811.68 ± 0.05		3368.056	70
304.24 ± 0.13	6264.53	5960.76	16.5
2896.02 ± 0.04		3368.056	83.5
547.55 ± 0.04	Capture State	6264.53	0.1
631.92 ± 0.04		6180.16	0.2
853.630 ± 0.012		5958.47	23.4
3443.406 ± 0.02		3368.056	11.0
6809.61 ± 0.03		0	65.2

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Previous Measurements

 

Eγ (keV)	Ei (keV)	Ef (keV)	Iγ (%)
			(1986KO19)	(1979JUZU) Renormalized by (1986KO19)	(1979JUZU)	(1974JUZW)	(1960BA01, 1963DR02)	(1961JA19)	(1963DR02)
547	6812	6263			0.16 ± 0.03	0.16 ± 0.03
631		6179			0.24 ± 0.03	0.24 ± 0.03
854		5958	23.5 ± 1.1	23.1	26.4 ± 2.6	26 ± 2.6	29.4	16	24
3443		3368	10.6 ± 0.2	11.4	11.4 ± 1.1	11.6 ± 1.1	11	15	11
6810		0	65.5 ± 1.1	65.1	64.6 ± 6.6	63.8 ± 6.5	62	70	65
2896	6263	3368			0.15 ± 0.03	0.15 ± 0.03
219	6179	5958			0.05 ± 0.01	0.05 ± 0.01
2811		3368			0.13 ± 0.03	0.13 ± 0.03
2590	5958	3368	22.6 ± 0.4	22.6	22.4 ± 2.6	23.3 ± 2.7	28	17	21
5956		0	1.49 ± 0.05	1.51	1.5 ± 0.3	1.75 ± 0.32	1.4	2	≤ 2
3367	3368	0	33.1 ± 0.3	33.3	33 ± 2.6	33.7 ± 2.7	37	28	28

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Last modified: 20 June 2008