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Matches 501 - 550 out of 1,851

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 501 - 550 out of 1,851