neutron spectra
Calculations of the Epithermal Neutron Spectra in the LENA (Triga Mark II) Reactor and Determination of the Cobalt Resonance Capture Integral EUR 4227
... we have performed calculations of epithermal neutron spectra by multigroup nuclear codes, based on the neutron transport and diffusion theories, for several positions of a Triga Mark II [r] ...
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In-core dosimetry for the validation of neutron spectra in the CROCUS reactor
... simulated neutron spectra in the zero-power reactor CROCUS for dosimetry ...measured spectra, and thus the validation of spectra and experimental ...
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First Results on 238U(n,f) Prompt Fission Neutron Spectra from 1 to 200 MeV incident neutron energy
... fission neutron spectra collects few data, far less precise than those on the other fission observables, and presents significant discrepancies especially below 1 MeV and above 5 ...
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Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities
... fission neutron spectra and multiplicities are obtained for a suite of actinides in the Los Alamos model ...fission neutron spectra is also ...
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Measurement of neutron spectra for photonuclear reaction with linearly polarized photons
... of neutron energy and angular dependency to reveal effect of ...absolute neutron spectra for the photons, incident number of photons and neutron detector efficiency are carefully determined ...
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Estimation of Covariances on Prompt Fission Neutron Spectra and Impact of the PFNS Model on the Vessel Fluence
... For reactor calculations, the expectations on nuclear data are becoming more and more important. Not only must they provide an acceptable reproduction of experimental observables, but the evaluators must also handle ...
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Proton Recoil Spectrometer for Fast Neutron Spectra
... The collimator efficiency is just the solid angle subtended by the source end of the collimator and is o.88 x 1O steradian for this colli mator, Figure 6 shows the total efficiency which[r] ...
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Parameterisation of fission neutron spectra (TRIGA Reactor) for neutron activation without the used of standard
... of neutron capture process. The neutron spectrum parameters (f and α), thermal and epithermal neutron flux (φth, φ epi ,) at a specific irradiation position of the rotary rack ...
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RDMM A Code for Fast Neutron Spectra Determination by Activation Analysis EUR 2985
... ROTA European Atomic Energy Community - EURATOM Joint Nuclear Research Center - Ispra Establishment Italy Scientific Information Processing Center - CETIS and Chemistry Department - Nucl[r] ...
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Thermal Neutron Spectra in Uniform Lattices Use of Cadilhac's Formalism EUR 3350
... In heterogeneous systems such as the unit cell of a uniform lattice, the fine structure of the flux can very often be evaluated at each energy by mono energetic transport or diffusion t[r] ...
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Prediction of Neutron Emission Anisotropy for Validation of an Analysis Model for Neutron Spectra in Beam-Injected LHD Deuterium Plasmas
... the neutron flux at θ = 0 ◦ increases and that at θ = 180 ◦ decreases compared to the case of isotropic emission at both poloidal planes φ = 0 ◦ and 18 ◦ ...of neutron emission anisotropy shown in ...the ...
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Study of neutron spectra in extended uranium target. New experimental data
... The use of proton beams for energy production in accelerator-driven systems (ADS) was exten- sively investigated [1]-[3] and the general opinion is that the optimal energy of proton beam lies in the range 1-3 GeV. The ...
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Neutron spectrometry and dosimetry in 100 and 300 MeV quasi-mono-energetic neutron field at RCNP, Osaka University, Japan
... The neutron spectra are normalized to the proton beam current measured by a Faraday Cup (FC) inside a beam dump (see ...The neutron spectral distributions at 0° exhibit five regions with different ...
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Time variability of alpha from realistic models of Oklo reactors
... over neutron spectra with a 1/E epithermal tail in an addition to the Maxwellian ...contribution. Spectra with different contributions from the epithermal neutron tail were obtained with an ...
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Application of the EGPT methodology in the analysis of small-sample reactivity worth experiments
... The method was then applied to infer trends and covariances on the capture cross section of 103 Rh, a major poisoning fi ssion product in both thermal and fast- spectrum reactors. We performed the consistent analysis of ...
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Leading neutron production at HERA in the color dipole approach
... leading neutron spectra could be well described using the color dipole formalism and that these spectra could help us to observe more clearly gluon saturation effects in future ep ...leading ...
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Thermal neutron spectrum in a medium with two different temperatures. EUR 23.e
... The results obtained from the above two methods show that when the moderator components have the same mass, the neutron spectra are shifted to lower energy than the Maxwellian distributi[r] ...
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Three-Dimensional (X,Y,Z) Deterministic Analysis of the PCA-Replica Neutron Shielding Benchmark Experiment using the TORT-3.2 Code and Group Cross Section Libraries for LWR Shielding and Pressure Vessel Dosimetry
... The neutron spectra calculated in the 1/4 T RPV and in the void box measurement positions using ...experimental neutron spectrum and are respectively shown in ...experimental neutron ...
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HungPLB 2018
... An exclusive systematic study of the giant dipole resonance (GDR) parameters has been performed in very light mass nucleus 31 P in the temperature range of ∼ 0 . 8–2 . 1 MeV and average angular momentum of ∼ 11–16 ¯ h. ...
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LICORNE: A new and unique facility for producing intense, kinematically focused neutron beams at the IPN Orsay
... neutrons spectra that would be available for a dedicated neutron source using the p( 7 Li, 7 Be)n inverse ...corresponding neutron spectra for thin (4 m) and thick (28 m) polypropylene ...
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