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SIMULATION OF NEUTRON ENERGY SPECTRA OF FILTERED THERMAL NEUTRON BEAM
Published 2020-09-01Subjects: Get full text
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Strain mapping and defects inspection of divertor targets by Bragg edge neutron imaging and neutron tomography
Published 2025-01-01Subjects: Get full text
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Study of the atmospheric neutron radiation effects using compact laser-driven spallation neutron source
Published 2025-01-01“…We propose a laboratory accelerated test method for study of the atmospheric neutron radiation effects by using a compact laser-driven spallation neutron source (LDSNS). …”
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Possible explanation for the neutron lifetime puzzle
Published 2025-01-01Subjects: “…neutron lifetime…”
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Physical Environment of Accreting Neutron Stars
Published 2016-01-01“…Neutron stars (NSs) powered by accretion, which are known as accretion-powered NSs, always are located in binary systems and manifest themselves as X-ray sources. …”
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Unstructured Grids and the Multigroup Neutron Diffusion Equation
Published 2013-01-01“…The neutron diffusion equation is often used to perform core-level neutronic calculations. …”
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UCN Source at an External Beam of Thermal Neutrons
Published 2015-01-01“…We propose a new method for production of ultracold neutrons (UCNs) in superfluid helium. The principal idea consists in installing a helium UCN source into an external beam of thermal or cold neutrons and in surrounding this source with a solid methane moderator/reflector cooled down to ~4 K. …”
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Regge Poles in Neutron Scattering by a Cylinder
Published 2014-01-01“…We outline the correspondence between Regge poles and near-surface quasi-stationary neutron states. Such states are of practical importance for studying subtle effects of neutron-surface interaction.…”
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Computational Methods for Multidimensional Neutron Diffusion Problems
Published 2009-01-01“…A neutronic module for the solution of two-dimensional steady-state multigroup diffusion problems in nuclear reactor cores is developed. …”
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Neutron Interferometry at the National Institute of Standards and Technology
Published 2015-01-01“…Neutron interferometry has proved to be a very precise technique for measuring the quantum mechanical phase of a neutron caused by a potential energy difference between two spatially separated neutron paths inside interferometer. …”
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Upgrading of Resolution Elastic Neutron Scattering (RENS)
Published 2013-01-01“…An update of the Resolution Elastic Neutron Scattering (RENS) approach consisting in measuring the elastically scattered neutron intensity versus the instrumental energy resolution is presented. …”
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Neutron Scattering on Impurity Nanoclusters in Gel Samples
Published 2015-01-01“…We estimate the mean size of the impurity nanoparticles that form the frame of the IHG samples and discuss the possibility to use IHG samples for the production of ultracold neutrons (UCNs) in He-II cooled to the temperature of a few mK, as well as the reflection of UCNs at any temperature. …”
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Dark-matter induced neutron-antineutron oscillations
Published 2025-01-01“…Abstract If dark matter carries a baryon number of two, neutron-antineutron oscillations could require its presence to manifest themselves. …”
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Numerical Approximation for Fractional Neutron Transport Equation
Published 2021-01-01“…Fractional neutron transport equation reflects the anomalous transport processes in nuclear reactor. …”
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Neutron Capture Radiography: Neutron Capture Radiography:a technique for isotopic labelling and analytical imaging with a few stable isotopes
Published 2006-01-01“…NCR (neutron capture radiography) may be used successfully for the imaging of one of the stable isotopes of a few chemical elements (especially 6Li and 10B, possibly also 14N, 17O, and others) and for labelling experiments using these stable isotopes. …”
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Calculation of the Neutron Parameters for Accelerator-Driven Subcritical Reactors
Published 2021-01-01“…The proton beam in the energy range from 115 MeV to 2000 MeV interacts with the lead to create neutrons. The neutron parameters as neutron yield Yn/p, neutron multiplication factor k, the radial and axial distributions of the neutron flux in the core have been calculated by using MCNPX program. …”
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Analytical solutions for the neutron transport using the spectral methods
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Symmetry and Solution of Neutron Transport Equations in Nonhomogeneous Media
Published 2014-01-01“…The efficiency of this method is illustrated with examples of thermal neutron diffusion problems. Such problems appear in neutron physics and nuclear geophysics. …”
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Analyzing the speed of sound in neutron star with machine learning
Published 2024-12-01“…It has a negative trough beyond the maximal central densities of neutron stars. The change in sign of the trace anomaly hints towards a near-conformal matter at the centre of neutron stars, which may not necessarily be conformal quark matter.…”
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Properties of Neutron Noise Induced by Localized Perturbations in an SFR
Published 2015-01-01“…Investigation of the properties of neutron noise induced by localized perturbations in a sodium-cooled fast reactor has been performed using a multigroup neutron noise simulator. …”
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