fast neutrons
Project of multi purpose research nuclear installation on fast neutrons is to ensure the national economy safety
... The article considers some opportunities of perspective nuclear power development which being guarantee of branch competitiveness in the internal and external markets, make essential impact on formation of national ...
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THE EFFECT OF OXYGEN ON THE PRODUCTION BY FAST NEUTRONS OF CHROMOSOMAL ABERRATIONS IN TRADESCANTIA MICROSPORES
... I n view of these results it seemed of interest to investigate the oxygen effect when fast neutrons are used to produce aberrations in Tradescantia, since this radiatio[r] ...
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Inelastic scattering of fast neutrons from 56Fe
... The inelastic scattering of fast neutrons has been measured for several decades applying two different methods: 1. Using quasi-monoenergetic neutron beams and detecting the scattered neutron or 2. employ- ...
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Imaging of Fast Neutrons and Gamma Rays from 252Cf in a Heavily Shielded Environment
... Coded aperture systems both in portable [25] and non- portable forms [26] have also been investigated. These imagers have large detection volumes and can therefore rapidly locate sources of fast-neutrons in ...
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THE EFFECT OF RADIATION DOSE FRACTIONATION ON CHROMOSOME ABERRATION FREQUENCIES IN TRADESCANTIA MICROSPORES. II. STUDIES WITH FAST NEUTRONS
... HE previous paper (DE SERRES and GILES 1953) has described the results T of experiments investigating the effects of fractionated doses of X-rays on the frequency of chromosome[r] ...
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Studying collective nuclear excitations with fast neutrons: a comparison of 76Ge and 76Se
... polyethylene vials were used in the (n,n'γ) measurements at UKAL. Gamma rays were detected in a high-purity germanium (HPGe) detector of 50% relative efficiency and an energy resolution of less than 2.2 keV(FWHM) at 1333 ...
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Fast neutrons effect on the dielectric properties of poly (vinyl alcohol)/hydroxypropyl cellulose blends
... For measuring the dielectric properties [the dielectric permittivity (ε′), dielectric loss tangent (tan δ) and a.c. electrical conductivity (σa.c.)] in three different frequencies (1, 10 and 100 kHz) and at different ...
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Neutrons for industry
... and fast neutrons of roughly equal intensity. Fast neutrons have a considerable lower cross section for the doping reaction and in addition create defects in the ...the fast flux by a ...
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Pulse Shape Discrimination with the Pixie-500 Data-Acquisition System and EJ309 Liquid Organic Scintillators.
... The ability to quickly and accurately characterize special nuclear material is crucial in nuclear security applications. The shortage of 3 He has made it necessary to develop alternative neutron detectors. Liquid organic ...
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Molecular and Radiation Genetics Annual Report 1966 EUR 3889
... IRRADIATION FAST NEUTRONS NEUTRON BEAMS MEV RANGE RBE OXYGEN DIAGRAMS RADIATION DOSES RADIATION EFFECTS AGE VARIATIONS RADIOSENSITIVITY DROSOPHILA SPERM MUTATIONS X CHROMOSOME CROSSING-O[r] ...
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Qualification and characterization of electronics of the fast neutron Hodoscope detectors using neutrons from CABRI core
... dedicated to high power monitoring. Both detectors measure the fast neutrons coming from the test rod and from the CABRI driver core fuel. For limiting the neutron contribution due to the CABRI core and ...
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Material optimisation in dual particle detectors by comparing advanced scintillating materials using two Monte Carlo codes
... neutrons. Similarly, C. W. E. van Eijk [34] compares the light yield, density and Ce concentration in different inorganic scintillators. In addition, he compares the scintillation properties of some neutron ...
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International Journal of Physics
... slow neutrons but can fission very easily by extremely fast neutrons, there is a ...of neutrons in the hot star plasma); so it is that inner layer that then receives the decelerating ...
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New composite material based on heavy concrete reinforced by basalt-boron fiber for radioactive waste management
... This research was supported by Horizon 2020 ERA-NET Support Programme, Research Grant Agreement No 7.9 – 3/18/7 ( “ Devel- opment of Boron-Infused Basalt-Fiber Reinforced Concrete for Nuclear and Radioactive Waste ...
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Neutrons for scattering: What they are, where to get them, and how to deal with them
... layer coating introduces a Bragg reflection at a certain angle, and the gradient in the lattice spacing of supermirrors e ff ectively produces a range of e ff ective Bragg angles, and therefore a reflectivity which ...
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The Role of Replacing CdO by Fe2O3 on the Fast Neutron Removal Cross Sections in Cd Boro Phosphate Glass Shield
... effective fast neutrons removal cross-sec- tions of glass ...effective fast neu- trons removal cross-section, for simplicity removal cross-section, Σ R (cm −1 ), is the probability that a fast ...
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Prompt fission gamma-ray emission spectral data for 239Pu(n,f) using fast directional neutrons from the LICORNE neutron source
... Figure 3. (a) Schematic of the 9 MeV gamma-ray source, consisting of an AmBe source, paraffin and nickel foils; (b) Emission neutron spectrum from the AmBe source and observed neutron spectrum in the nickel foils. The ...
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Neutrons production on the IPHI accelerator for the validation of the design of the compact neutron source SONATE
... In order to validate the Monte-Carlo simulations inside the moderators, gold disks were positioned at various positions inside the moderator. Disks with a diameter of 6 mm and thickness 200 µm were used. The weight of ...
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THE MAGNETIC MIRROR NEUTRON POLARIZER AT THE REACTOR "ISPRA I" EUR 538 e
... 4 — MEASUREMENTS RESULTS The polarization was measured at the same time as the total intensity and the fast neutrons and gamma background, while the beam collimation and the mirror incli[r] ...
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Reexamination of Criticality Accident in JCO
... fissions. The life time of 238 U is about 4.5 billion years and, in addition, the rate of the spontaneous fission to the total width is around 5.45 10 × − 7 . Therefore, 1 g of 238 U make the spontaneous fission of 0.01 ...
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