1967RA24: ¹⁰B(n, γ), E = thermal; measured E_γ; deduced Q.

1969WE07: ¹⁰B(n, γ), E = thermal; measured E_γ, Doppler shift attenuation. ¹¹B levels deduced T_1/2.

1970MEZS: ¹⁰B(n, γ), E = thermal; measured σ.

1986KO19: ¹⁰B(n, γ), E = thermal; measured E_γ, I_γ; deduced σ. ¹¹B deduced neutron binding energy, transition energies.

2001AC04: ¹⁰B(n, γ), E = thermal; measured E_γ, I_γ; deduced k₀ factors.

2002RE13: ¹⁰B(n, γ), E = thermal; compiled, analyzed prompt E_γ, I_γ.

2003CHZX: ¹⁰B(n, γ); measured E_γ, I_γ; deduced prompt k₀-factors, partial σ.

2003MOZU: ¹⁰B(n, γ), E = thermal; compiled, analyzed k₀ factors.

2004MA76: ¹⁰B(n, γ), E = thermal; analyzed data; deduced k₀ factors, γ-emission probabilities.

Measured total cross section for ¹⁰B(n, γ)¹¹B

Recommended value:
Measured values:	0.303 ± 0.020 b	(EGAF)
	0.5 ± 0.1 b	(2003MUZZ)
	0.29 ± 0.04 b	(1986KO19)
	0.5 ± 0.2 b	(1973MU14, 1957BA18)

Recommended Values

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

 

Eγ (keV)	Ei (keV)	Ef (keV)	σγ	Iγ a
4444.03 ± 0.11	4445.00	0	(1.96 ± 0.17) x 10 -1	64.6 ± 7.0
2296.63 ± 0.13	6741.88	4445.00	(2.71 ± 0.61) x 10 -2	8.95 ± 2.10
6739.67 ± 0.17		0	(5.67 ± 0.54) x 10 -2	18.7 ± 2.2
(4474.5 ± 0.3)	8920.48	4445.00	(2.26 ± 0.36) x 10 -3	0.746 ± 0.129
8916.60 ± 0.19		0	(3.87 ± 0.43) x 10 -2	12.8 ± 1.6
2533.35 ± 0.18	Capture State	8920.48	(4.17 ± 0.62) x 10 -2	13.8 ± 2.2
4711.18 ± 0.10		6741.88	(7.78 ± 0.66) x 10 -2	25.7 ± 2.8
7006.75 ± 0.09		4445.00	(1.64 ± 0.13) x 10 -1	54.2 ± 5.7
11447.75 ± 0.14		0	(1.41 ± 0.16) x 10 -2	4.64 ± 0.61

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 (%)
4444.03 ± 0.11	4445.00	0	100
2296.63 ± 0.13	6741.88	4445.00	32.3
6739.67 ± 0.17		0	67.7
(4474.5 ± 0.3)	8920.48	4445.00	(5.5)
8916.60 ± 0.19		0	94.5
2533.35 ± 0.18	Capture State	8920.48	14.0
4711.18 ± 0.10		6741.88	26.1
7006.75 ± 0.09		4445.00	55.1
11447.75 ± 0.14		0	4.7

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Previous Measurements

 

Eγ (keV)	Ei (keV)	Ef (keV)	Iγ (%)
			(1986KO19)	(1967TH05)	weighted mean of (1967TH05, 1986KO19)	(1957BA18, 1958BA52)
2534	11454.2	8920	12 ± 4	15 ± 2	14.4 ± 1.8
4711		6740	28 ± 2	25 ± 1	25.6 ± 0.9	30
7006		4450	56 ± 2	54 ± 3	55.4 ± 1.7	18
11447		0	4.6 ± 0.3	6 ± 1	4.7 ± 0.3	0.8
8916	8920	0	13 ± 1	15 ± 2	13.4 ± 0.9	6
2296	6740	4450	7 ± 4	10 ± 3	8.9 ± 2.4
6739		0	19 ± 2	19 ± 1	19.0 ± 0.9	10
5019	5020	0		< 2
4444	4450	0	67 ± 4	65 ± 3	65.7 ± 2.4	80
2120	2120	0		< 3

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Last modified: 20 June 2008