Articles with "thermal neutron" as a keyword



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Large scale BN-perovskite Nanocomposite Aerogel Scintillator for Thermal Neutron Detection.

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Published in 2023 at "Advanced materials"

DOI: 10.1002/adma.202209452

Abstract: State-of-the-art thermal neutron scintillation detectors rely on rare isotopes for neutron capture, lack stability and scalability of solid-state scintillation devices, and poorly discriminate between the neutron and gamma rays. Our boron nitride (BN) - CsPbBr3… read more here.

Keywords: aerogel scintillator; nanocomposite aerogel; thermal neutron; detection ... See more keywords
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A priori calculation of the thermal neutron die-away time of large samples irradiated in the facility MEDINA

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Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-018-5874-5

Abstract: An analytical method for the a priori calculation of the thermal neutron die-way time was developed in order to optimize the detection of prompt and delayed gamma rays induced in the neutron activation of large… read more here.

Keywords: neutron die; neutron; time; die away ... See more keywords
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Optimization of Linac-based neutron source for thermal neutron activation analysis

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Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-018-6041-8

Abstract: A 20 MeV electron Linac based neutron beam has been shaped for neutron activation analysis (NAA) technique. A beam shaping assembly (BSA) has been simulated using MCNPX2.6 code to increase the thermal neutron flux and decrease… read more here.

Keywords: based neutron; activation analysis; neutron activation; thermal neutron ... See more keywords
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Influence of field-of-view and section thickness of diagnostic imaging on thermal neutron flux estimation in dose-planning for boron neutron capture therapy

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Published in 2018 at "Radiological Physics and Technology"

DOI: 10.1007/s12194-018-00494-3

Abstract: Radiation treatment planning for boron neutron capture therapy (BNCT) often uses computed tomography (CT) images reconstructed utilizing various section thickness and field-of-view (FOV) settings. Based on these images, a geometrical model is created by setting… read more here.

Keywords: neutron; section thickness; thermal neutron; neutron flux ... See more keywords
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First measurements of thermal neutron distribution in the LHD torus hall generated by deuterium experiments

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Published in 2018 at "Fusion Engineering and Design"

DOI: 10.1016/j.fusengdes.2018.09.013

Abstract: Abstract For the estimation of the neutron field generated by deuterium plasma operation in the Large Helical Device (LHD), the first measurement of the thermal neutron distribution on the floor level of the LHD torus… read more here.

Keywords: torus hall; thermal neutron; neutron distribution;
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Design and optimization of thermal neutron device based on deuterium-deuterium neutron generator

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Published in 2021 at "Fusion Engineering and Design"

DOI: 10.1016/j.fusengdes.2021.112289

Abstract: Abstract A thermal neutron device based on a portable D-D neutron generator has been designed and optimized by Monte Carlo method. The goal of optimal design is to maximize the thermal neutron flux at the… read more here.

Keywords: neutron generator; thermal neutron; deuterium; neutron ... See more keywords
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Cadmium isotopes in chondrites and acid leachates: Nucleosynthetic homogeneity and a monitor for thermal neutron capture effects

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Published in 2020 at "Geochimica et Cosmochimica Acta"

DOI: 10.1016/j.gca.2020.01.059

Abstract: Abstract Nucleosynthetic isotope variations are well documented for refractory elements in meteorites and the Earth, while moderately volatile elements generally display homogeneous compositions. Cadmium is a moderately volatile element with eight stable isotopes generated by… read more here.

Keywords: neutron capture; capture effects; acid leachates; thermal neutron ... See more keywords
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Synthesis and characterization of borate glasses for thermal neutron scintillation and imaging

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Published in 2020 at "Radiation Measurements"

DOI: 10.1016/j.radmeas.2020.106319

Abstract: Abstract With the aim of finding promising neutron scintillators, different compositions have been synthesized in the glassy phase and subsequently characterized for their performance as the scintillation screen of thermal neutron imaging systems. Three new… read more here.

Keywords: scintillation; characterization borate; neutron scintillation; thermal neutron ... See more keywords
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Evaluation of thermal neutron dose from Am-Be source using gelatinized boron fricke dosimeter

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Published in 2019 at "Radiation Physics and Chemistry"

DOI: 10.1016/j.radphyschem.2019.04.037

Abstract: Abstract In the current work, we focused on the evaluation of thermal neutron doses in mixed gamma/thermal neutron field using borated Fricke gel with 23 ppm of 10B isotope. The dose response using two measuring protocols… read more here.

Keywords: neutron; thermal neutron; neutron dose; evaluation thermal ... See more keywords
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Calculated and experimental response of calcium silicate polycrystalline to high and very-high neutron doses

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Published in 2020 at "Radiation Physics and Chemistry"

DOI: 10.1016/j.radphyschem.2020.108820

Abstract: Abstract In the scope to the discovery of new detectors for high and very-high gamma and neutron radiation dose (mGy-MGy), synthetic polycrystals of CaSiO3 have been produced by the devitrification method in our laboratory. CaSiO3… read more here.

Keywords: neutron; calculated experimental; high high; experimental response ... See more keywords
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Calculation of thermal neutron scattering cross-section of solids using OCLIMAX.

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Published in 2020 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.0c00569

Abstract: The thermal neutron scattering cross-section of a solid depends on the energy (or wavelength) of the incident neutrons. Being able to calculate the energy dependence from first principles, without the approximations built in the scattering… read more here.

Keywords: neutron scattering; cross section; scattering cross; thermal neutron ... See more keywords