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JP2022123327A |
To improve nuclear security regarding MOX fuel.A MOX fuel material 10a comprises: a mixed oxide of uranium as a nuclear fuel material and plutonium as a nuclear fuel material; and a curium containing a curium 244 for creating neutrons as...
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JP7117213B2 |
A radiation monitor includes a radiation detection unit detecting radiation, and an optical fiber transmitting photons emitted from a light emitting element of the radiation detection unit, wherein the radiation detection unit includes a...
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JP2022115849A |
To provide a small-sized neutron beam detection device, a neutron beam detection method and a neutron beam detection program.A neutron beam detection device comprises: a solar cell type detector having a surface with a conversion membran...
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JP7085964B2 |
To obtain a radiation detector with which it is possible to measure the dosage rate of each of neutron and gamma ray separately with good accuracy by one radiation detector.Provided is a radiation detector for detecting the dosage rate o...
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JP7084758B2 |
To provide a neutron beam detection device capable of detecting an abnormality of the neutron beam detection device with a simple constitution, and provide an abnormality detection method of the neutron beam detection device.When a neutr...
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JP7083994B2 |
To provide a neutron beam measurement device and a neutron beam measurement method each of which allows for improvement in the measurement accuracy of the amount of thermal neutrons included in the neutron beam.The detection result acqui...
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JP7083421B2 |
An estimation method and a monitoring system for a plutonium concentration in a uranium plutonium solution system is based on neutron coincidence counting. Corrections are performed of the neutron multiplication absorption effect of the ...
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JP7066819B2 |
A method as well as a composite material for detecting free neutrons are disclosed that include a converter material, which is configured to generate in response to a capture of neutrons a secondary radiation, and a detector material, wh...
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JP7064750B2 |
To provide a neutron imaging device comprising a position resolution with higher resolution than before.A neutron imaging device comprises: a neutron detection substance; a first particle detection element which is generated by nuclear r...
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JP7055342B2 |
To display an image which is based on faint light from an object having a size of a meter.A photo-multiplication device 1 comprises: an avalanche panel 2 in which a plurality of avalanche photodiodes 4 converting faint light into current...
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JP7054322B2 |
To provide a neutron measurement member and a radioactivation amount measurement method which can accurately measure the distribution of neutrons.A neutron measurement member 1 includes: a plurality of radioactivation members 11 made of ...
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JP2022049292A |
To accurately measure a fissile material included in wastes and stored materials from a nuclear power plant, as well as damage/molten fuel-containing materials therefrom.A nuclear material measurement system comprises: an electron beam a...
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JP7039448B2 |
To achieve both sensitivity and resolution in neutron detection.A neutron detection apparatus 11 comprises: a scintillator 12 containing a neutron-reactive material; a plurality of detectors 13 for detecting light emitted by the scintill...
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JP7034255B2 |
The neutron detector comprises at least one module (detector element) comprising in each case two mutually parallel substrate plates made from a first neutron-transparent material, with said plates being spanned in each case on a self-su...
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JP7030129B2 |
A transmitter device includes a neutron detector structured to detect neutron flux, a capacitor electrically connected in parallel with the neutron detector, a gas discharge tube having an input end and an output end, and an antenna elec...
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JP7021989B2 |
To provide a neutron capture therapy system which appropriately performs discrimination regardless of deterioration of a detector, accordingly enables an operator to easily determine that wave height distribution is appropriate, and a ne...
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JP2022507037A |
A method for measuring a particle bundle that fluctuates with time with improved time resolution and a signal-to-noise ratio is provided. The particles may be photons, neutrons, electrons, or charged particles. The method includes a set ...
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JP6991501B2 |
To provide a neutron detector and neutron measurement device capable of obtaining the neutron spectrum in an epithermal region with high accuracy.A neutron detector 1 includes: a Li containing scintillator 5 receiving flying neutrons to ...
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JP6985206B2 |
To provide a radiation position detector capable of preventing disconnection of an anode due to discharge between an outer container and the anode.A radiation position detector 11 includes: a tubular outer container 20 serving as a catho...
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JP6974424B2 |
The invention provides a mask apparatus for use in sensing of incoming radiation, comprising: one or more coded masks, each of the masks having a body formed of a material that modulates the intensity of the incoming radiation; wherein e...
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JP6953902B2 |
To provide a neutron detector capable of enhancing n/γ discrimination by suppressing neutron signals from being buried by signals caused by fluorescence in the wavelength-shifted fiber by gamma rays and the Cerenkov light in the optical...
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JP6947389B2 |
To provide a thermal fluophor capable of discrimination measurement of neutron beam and gamma beam with corresponding to radiation dose range of BNCT with simple device at low cost stably, and a neutron beam and γ beam discrimination me...
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JP6948668B2 |
To provide a neutron semiconductor detector that can improve detection efficiency of neutron while allowing an incident position of neutron to be identified.A neutron semiconductor detector 1 comprises: a sapphire substrate 11 and a GaN ...
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JP6943944B2 |
The invention relates to neutron radiography and can be used for the examination of elongate radioactive items, primarily nuclear fuel elements, and also for the non-destructive testing of irradiated and non-irradiated objects in order t...
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JP6938627B2 |
Provided is a neutron capture therapy system (1) for irradiating an irradiation target body with a neutron beam, the system being provided with: an irradiation chamber (2) which is enclosed with a shielding wall (W1) for shielding agains...
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JP6900697B2 |
To provide a neutron scintillator, neutron detector, and neutron detection method capable of accurately measuring neutrons even in a field with a high dose of a gamma-ray to be background noise.A neutron scintillator includes as componen...
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JP2021084836A |
To provide a glass material that suppresses decrease of emission intensity in a high-temperature range and is suitable for a scintillator or the like.A glass material contains, in mol%, 10-45% of Li2O, 40-70% of SiO2, 0-15% (exclusive of...
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JP6875265B2 |
To enable detection of neutron beam with a simpler configuration.The neutron beam detection device 20: a first detector 21 which emits light when a gamma beam enters and does not emit light when a neutron beam enters; a second detector 2...
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JP6873794B2 |
The present invention addresses the problem of providing a system for monitoring the intensity of neutrons in the environment, capable of improving neutron measuring accuracy by eliminating localized measuring variability resulting from ...
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JP6867884B2 |
To provide a compact radiation measurement device capable of correctly specifying a position of a measurement object.A radiation measurement device 1 of the present invention is a radiation measurement device capable of measuring a posit...
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JP6862427B2 |
A scintillator array comprises a stack. The stack includes: a reaction part extending along one direction and configured to emit radiation by a reaction with neutrons; a scintillator part extending along the one direction, sandwiching th...
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JP6860369B2 |
To provide a proportional counter tube capable of suppressing degradation of resolution.A proportional counter tube 1 includes: a conversion film 23 which receives a neutron N and generates an alpha particle A; a capillary plate 21 that ...
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JP6860343B2 |
Presented herein are systems, methods, and computer-readable media for recording event times in particle detection scenarios. The systems, methods, and computer-readable media involve the identification of one facility device as a grandm...
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JP6856227B2 |
This measurement device (1) is provided with a sensing portion (3) including at least a fluorescent substance for which the emission of fluorescence is stopped through the effect of radiation and a measurement unit (5) for measuring the ...
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JP6856214B2 |
To provide a neutron semiconductor detection structure, a neutron semiconductor detector capable of improving the detection efficiency of neutron, and a manufacturing method of neutron semiconductor detection structure.A neutron semicond...
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JP2021051016A |
To provide a dose measurement technique that can: highly accurately measure and evaluate a dose of each type of radiation in a field where neutron rays and γ rays from low energy to high energy are present together; highly accurately me...
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JP6840603B2 |
To provide a nuclear fusion neutron generator that can be used even underwater.A nuclear fusion neutron generator has a vacuum vessel 11 including a grounded conductive positive electrode 12 and housing ionized fuel gas, a negative elect...
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JP6823526B2 |
To provide a radiation detector that relates to a radiation monitor measuring a charged particle or neutron, and can make a measurement even under a high dose rate environment, and to provide a radiation measurement method.A radiation de...
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JP2021006266A |
To provide a radiation detection system for improving the accuracy of a neutron beam irradiation dose for a neutron capture therapy system.The neutron capture therapy system includes a charged particle beam P, a charged particle beam inl...
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JP6815923B2 |
To realize a system and a method for removing radioactive particles in fluid capable of: securing safety by measuring radiation; and collecting particles from treat water containing those which have been unable to be separated through fi...
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JP6782713B2 |
Boron nitride nanotubes (BNNTs) with 1013 combined with a scintillation gas can serve as the basis for detecting thermal neutrons by detecting light from the decay products of the thermal neutron's absorption on the 10B atoms in the BNNT...
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JP6780429B2 |
To enable improvement in sensitivity of neutron detection as achieving miniaturization of a radiation detection device.A radiation detection device (1) comprises: a fast neutron detector (30) that detects a recoil proton generated by a f...
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JP6768663B2 |
A method for producing a device for detecting flux of neutrons with parameters in predetermined ranges, including: one phase of determining parameters, including: simulating penetration of a flux of incident neutrons with parameters in t...
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JP2020160006A |
To provide a contamination detector and a method thereof capable of discriminating surface contamination from internal contamination while precisely evaluating the surface contamination in a place where surface contamination and internal...
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JP6762949B2 |
There is provided a scintillator array to be used for a neutron detector capable of detecting high energy neutrons with high definition and high efficiency. A scintillator array comprises a structure including a plurality of stacks layer...
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JP6753782B2 |
A neutron detection system is described comprising a neutron scintillator detector having a detection area, wherein the detection area is segmented into a plurality of discrete sub-regions, and a light readout system is provided with a c...
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JP6742259B2 |
Provided are a neutron ray detecting system and a method of setting a neutron ray detecting system that can set a determination threshold value to a suitable value. By acquiring the neutron ray wave height distribution of the neutron ray...
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JP6740467B2 |
A method of verifying the operational status of a neutron detecting device includes at least partially enclosing a neutron detecting device including a neutron detector in a container having outer walls comprising a thermal neutron absor...
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JP2020521116A |
A system (100) is provided for generating analytical data indicating the presence of one or more predetermined components in a sample (110). The system consists of a source device (120) for directing the particle flow (130) toward the sa...
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JP6689453B2 |
Provided are a radiation measurement device and method that allow stable radiation measurement as compared with the prior art. The radiation measurement device includes a radiation detection unit 1 having a scintillator, an optical trans...
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