Measurement of the 238U(n,γ)239U reaction cross sections in the energy range of 2.0–5.0 MeV by using a neutron activation technique

Yuan, Zhiling; Shen, Su

doi:10.1007/s10967-020-07046-3

Cited by 1 publication

(2 citation statements)

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“…The 239 Np radionuclide is recognizable by the characteristic γ-rays of 106.1 keV, 228.2 keV, and 277.6 keV, whose intensities all surpass 10%. Nevertheless, the γ-rays at 277.6 keV were preferred over others in the calculations because the γ-rays at 106.1 keV and 228.2 keV are subjected to interference by the γ-rays at 103.2 keV and 228.2 keV originating from the fission products 153 Sm (T 1/2 = 46.284 h) and 132 Te (T 1/2 = 3.204 d), respectively [4][5][6]. In this experiment, the 197 Au (n, γ)…”

Section: B 238 U Neutron Capture Cross-section Calculationmentioning

confidence: 99%

“…The radionuclide 239 Pu is produced by the 238 U (n, γ) reaction and two consecutive beta decays of 239 U [3,4]. The yield of 239 Pu relies on the 238 U (n, γ) 239 U reaction cross-section, resulting in the requirement to determine the precise reaction cross-sectional values of 238 U (n, γ) 239 U to anticipate the dynamical behaviors of complicated arrangements and security [4,5]. Meanwhile, the value of the conversion ratio, the ratio of the amount of nuclear fuel produced by the fast reactor operation to the consumption, depends on the 238 U neutron capture crosssection.…”

Section: Introductionmentioning

confidence: 99%

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Cross-sections of the ²³⁸U (n, γ) ²³⁹U reaction in the 3.0–7.0 MeV energy region measured by relative activation method*

Wen¹,

Zheng²,

Luo³

2023

Chinese Phys. C

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The reaction cross-sections of 238U (n, γ)239U have been experimentally determined at the neutron energies of 6.117 ± 0.119 MeV, 4.626 ± 0.086 MeV and 3.622 ± 0.348 MeV employing the relative activation approach along with off-line γ-rays spectroscopy method. The D (d, n)3He reaction was utilized to obtain monoenergetic neutrons of the required energy and the 197Au (n, γ)198Au reaction cross-sections were adopted as the referential standard to ascertain the neutron capture cross-sections of 238U. Furthermore, the effects of low-energy scattered neutrons, neutron fluence fluctuation, the counting geometric corrections when measuring γ-rays, neutrons and γ-rays self-absorption caused by samples thickness have been considered and revised in the present work. For comparison with experimental results, the cross-sections of 238U (n, γ)239U reaction were calculated theoretically with original parametric TALYS-1.9 program. The experimental measurements were also in contrast with previous experimental results and the evaluation data available for ROSFOND-2010, CENDL-3.2 and ENDF/B-VIII.0.

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Section: B 238 U Neutron Capture Cross-section Calculationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Cross-sections of the ²³⁸U (n, γ) ²³⁹U reaction in the 3.0–7.0 MeV energy region measured by relative activation method*

Wen¹,

Zheng²,

Luo³

2023

Chinese Phys. C

View full text Add to dashboard Cite

show abstract

Measurement of the 238U(n,γ)239U reaction cross sections in the energy range of 2.0–5.0 MeV by using a neutron activation technique

Cited by 1 publication

References 27 publications

Cross-sections of the ²³⁸U (n, γ) ²³⁹U reaction in the 3.0–7.0 MeV energy region measured by relative activation method*

Cross-sections of the ²³⁸U (n, γ) ²³⁹U reaction in the 3.0–7.0 MeV energy region measured by relative activation method*

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Measurement of the 238U(n,γ)239U reaction cross sections in the energy range of 2.0–5.0 MeV by using a neutron activation technique

Cited by 1 publication

References 27 publications

Cross-sections of the 238U (n, γ) 239U reaction in the 3.0–7.0 MeV energy region measured by relative activation method*

Cross-sections of the 238U (n, γ) 239U reaction in the 3.0–7.0 MeV energy region measured by relative activation method*

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Product

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Cross-sections of the ²³⁸U (n, γ) ²³⁹U reaction in the 3.0–7.0 MeV energy region measured by relative activation method*

Cross-sections of the ²³⁸U (n, γ) ²³⁹U reaction in the 3.0–7.0 MeV energy region measured by relative activation method*