Radiative neutron capture cross section from 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi mathvariant="normal">U</mml:mi><mml:mprescripts /><mml:none /><mml:mn>236</mml:mn></mml:mmultiscripts></mml:math>

Baramsai, B.; Jändel, M.; Bond, E. M.; Roman, Audrey; Rusev, G.; Walker, C.; Couture, A.; Mosby, S.; O’Donnell, J. M.; Ullmann, J. L.; Kawano, Toshihiko

doi:10.1103/physrevc.96.024619

Cited by 3 publications

(1 citation statement)

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“…The data for 236 U is from ref. [13] and was normalized with experimentally-determined efficiencies. There is no data for 234 U in the EXFOR data base; a recent measurement at DANCE will be analyzed.…”

Section: Results For Even Uranium Isotopesmentioning

confidence: 99%

Neutron Capture on Actinides Studied with DANCE

Ullmann

Baramsai

Couture

et al. 2020

Compound-Nuclear Reactions

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Neutron capture cross sections in the continuum region above about neutron energies of 1 keV have been difficult to calculate accurately, and measurements are needed for accurate results. Recent capture measurements on 234,236,238 U and 239 P u made using the DANCE detector have resolved some discrepencies in the 235 U and 239 P u capture cross sections. In addition, measurements of the gamma-ray emission spectra from capture are shown to provide an additional constraint on the photon strength functions used in calculating the spectrum shape and cross section. Using photon strength functions constrained by the gamma-ray spectra, cross-section calculations can be made that reproduce the measurements with no additinal renormalization.

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Section: Results For Even Uranium Isotopesmentioning

confidence: 99%

Neutron Capture on Actinides Studied with DANCE

Ullmann

Baramsai

Couture

et al. 2020

Compound-Nuclear Reactions

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Direct determination of the 237Np/238U ratio in nuclear fuel samples by multicollection inductively coupled plasma mass spectrometry (MC-ICP-MS)

Mialle,

Nonell,

Cruchet

et al. 2024

J Radioanal Nucl Chem

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A new method for the direct measurement of 237Np/238U ratio in irradiated UO2 pellets by multicollection inductively coupled plasma mass spectrometry (MC-ICP-MS) is proposed. It allows the determination of ratios down to 10 × 10–6 mol·mol−1 using ion counter and Faraday cup. This approach was validated by intercomparison with the usual two-step-method (Quadrupole ICP-MS for 237Np determination and isotope dilution mass spectrometry (IDMS) for 238U). For ratios between 10 × 10–6 and 100 × 10–6 mol·mol−1, expanded uncertainties (k = 2) varied from 2.75% to 0.81%, twice lower than the uncertainties determined by the usual method.

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