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WO/1987/004800A1 |
A system and method for obtaining a spatial characterization of a particle beam, including the beam direction, position, divergence, aberrations and intensity profile. A mechanism is also provided for adjusting the beam propagation to a ...
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WO/1985/003799A1 |
A wide range flux monitoring assembly (10) is provided for in-core neutron flux monitoring in a nuclear reactor vessel (12). The assembly comprises a fixed in-core power range monitor (16) and a fixed in-core extended range start-up moni...
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JP2024048388A |
The present invention provides glasses that are particularly useful for radiation and/or particle detection devices, in particular neutron, UV or neutrino detection devices. [Solution] The above problem is to provide a glass having a tra...
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JP2024032148A |
An object of the present invention is to easily measure the position of a neutron beam source. A neutron source position measuring device 10 includes a metal plate converter 12 containing a metal element that is converted into another ra...
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JP7430057B2 |
The present invention provides a calibration device, a therapy planning device, and a calibration method that can improve the estimation accuracy of the neutron beam amount. The solution of the invention is characterized in that a calibr...
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JP7429124B2 |
To easily measure a neutron spectrum.A neutron spectrum measuring apparatus comprises: a converter unit 20 having plural kinds of foil converters 21-25 each containing an element with different atomic number; plural kinds of filters 31-3...
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JP7428625B2 |
To provide a self-powered radiation detector which offers higher sensitivity than conventional products and a wide range of application.A self-powered radiation detector 1 provided herein comprises a metallic emitter 11, a collector 13 d...
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JP7412635B2 |
A neutron flux measuring apparatus (100) comprises: a storage unit (12) for recording, as record data (D), measurement values showing changes in neutron flux in a nuclear reactor that occur in response to regulatory control of nuclear re...
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JP7397768B2 |
To provide a radiation measurement device and a radiation measurement method that can discriminate between neutrons derived from a measurement object and neutrons derived from a peripheral background.A radiation measurement device 100 in...
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JP7378729B2 |
To provide a neutron beam measuring device which can easily measure a neutron beam, and can improve measurement accuracy, and a neutron beam measuring method. A neutron beam measuring device 100 comprises a detection part 30 for detectin...
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JP7378378B2 |
To provide an extra-reactor nuclear instrumentation apparatus that ensures high reliability and maintainability enough not to issue a false alarm of a trip signal indicating abnormalities of a reactor.An ex-core nuclear instrumentation a...
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JP7373035B2 |
A neutron proportional counter (100) is provided. The proportional counter includes a chamber (102) and a gas mixture (110). The chamber (102) includes an anode (104) and a cathode (106). The gas mixture is contained within the chamber a...
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JP2023158939A |
To provide a new technique which can change a kinetic energy range of a neutron in a neutron spectrum to be measured.A neutron spectrum measurement apparatus 10 comprises: a reaction part 11; a state change device 13; a detection device ...
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JP7368783B2 |
A target that is irradiated with a charged particle to emit a neutron, an output circuit such as a DC/DC converter that includes a semiconductor element and that outputs voltage during normal operation, and a counter that measures elapse...
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JP7366200B2 |
Device for detecting neutrons with ionization chamber and with optical transduction comprising a plurality of optical cavities, each accommodating the free end of an optical fiber.The invention relates to a device (1) for detecting neutr...
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JP2023149225A |
To provide a neutron conversion laminate which enables one neutron detection device to detect neutrons in an energy band across the neuron range, thermal neutron range, and fast neutron range, and which can be used to obtain a two-dimens...
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JP2023133004A |
To provide a self output type radiation detector, a radiation detection system, and an atomic reactor output monitoring device that can be added to a narrow region in a detector and can detect leakage of an emitter to the outside of a co...
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JP7343736B2 |
To provide a neutron measurement unit that can measure a dose of neutron beam emitted from a neutron source for a region having a predetermined spread in a short time without discrimination from γ-rays in the boron neutron capture thera...
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JP2023117516A |
To provide a technology that is advantageous in improving the cooling performance of a detector that detects radioactive rays and enhancing the sensitivity or the resolution of the detector.A detector includes: a first member that detect...
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JP7332527B2 |
A neutron position detector according to an embodiment includes a tubular enclosure used as a cathode, an anode located at an axial center inside the enclosure, and a gas that includes a 3He gas and an additive gas and is sealed inside t...
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JP2023534675A |
A detector assembly including a plurality of sensors. Each sensor includes a tube having a through hole therein, a wire disposed within the through hole of the tube, the wire being electrically insulated from the tube, and a stiffness al...
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JP2023533957A |
Self-powered nuclear radiation detector. A self-powered nuclear radiation detector includes a cable assembly, a temperature compensation assembly, and a metallic outer sheath. The cable assembly includes metal signal leads, an insulating...
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JP2023531041A |
The present invention provides a neutron dose detection device and a neutron capture therapy device, wherein the neutron dose detection device includes at least two count rate channels and a count rate channel selection unit for selectin...
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JP2023530184A |
The present invention provides a neutron dose detection device and a neutron capture therapy device, wherein the neutron dose detection device includes a detector that receives neutrons and outputs a signal, and a signal processor that p...
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JP2023098048A |
To provide a neutron detector which can highly efficiently measure a neutron of high dose with the high n/γ selectivity.A scintillator 10 includes a lamination structure in which a fluorescent layer 11 and a light transmission layer 12 ...
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JP2023525136A |
The present invention comprises a mechanical collimator (1) that receives particles from a gamma ray source (61) and/or a neutron source (62), a neutron absorbing material that is substantially transparent to gamma rays, and a neutron-ga...
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JP7279383B2 |
To provide a scintillator which can suppress degradation of a reflection material in a high gamma-ray environment and can obtain a high signal intensity.In a scintillator 100, which detects neutrons in a high gamma-ray environment, parti...
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JP2023518927A |
A needle device for accessing lymph nodes and thoracic ducts. A needle device for insertion into a lymph node, the needle device being anchored after access to the lymph node is described. The needle can aspirate or introduce fluid throu...
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JP2023059468A |
To provide a neutron detector capable of self-calibrating without depending on an external neutron source or heat balance calculation, and to provide a sensitivity calibration method for a radiation detector.A neutron detector 10 is an i...
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JP7263226B2 |
To provide a method of accurately evaluating a neutron detector signal.A neutron detector signal evaluation device 100 includes: a fission product generation calculation unit 111 that calculates generation of fission by a first radiation...
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JP7257312B2 |
To achieve a highly accurate α-ray measurement.A radiation counting device comprises: an α-ray sensor 101; an electron drift power source device 103; a positive hole drift power source device 102; a count value recording device 132 tha...
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JP7248470B2 |
To detect neutron beams with higher precision.A neutron beam detector 100 for detecting neutron beams includes: a scintillator 13 that generates light when radiation is incident; a photodetector 15 that detects the light generated in the...
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JP2023512076A |
A thermal neutron detector and manufacturing method thereof are provided. Thermal neutron detectors can dually use boron both in the neutron conversion layer and as a conformal doping source in a semiconductor substrate. The neutron dete...
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JP2023510968A |
a second luminescent material, and in some embodiments enhanced10Boron nitride nanotubes (BNNTs) with B content can be used for efficient thermal neutron detection. The second luminescent material may be a crystalline coating on the nano...
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JP2023030895A |
To provide a neutron monitoring device and the like that can determine without a time delay whether the cause of fluctuation of a neutron counting rate is a fluctuation of the degree of subcriticality, a fluctuation of an isotope composi...
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JP2023508737A |
The present invention provides an optical waveguide (16) containing a primary dopant that can be converted by neutron capture into a stable secondary dopant that is less neutron absorbing than the primary dopant, and a moderation layer (...
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JP7229260B2 |
A method of capturing and analyzing information for a particle detection system comprises generating a reaction to a plurality of particles using a converter material, wherein the converter material is operable to interact with the plura...
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JP2023023197A |
To provide a self-output type radiation detector having higher sensitivity and wider range of applicability than before.A self-output type radiation detector 1 includes a metal emitter 11 and a metal collector 13. The collector is formed...
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JP7221133B2 |
To provide a radiation source evaluation method capable of estimating an intensity distribution of a radiation source inside a target structure.The radiation source evaluation method for estimating an intensity distribution of a radiatio...
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JP2023504567A |
Disclosed herein is a method (300) for the power distribution of a reactor core of a nuclear facility, the method being executed on a general purpose computer. A method (300) comprises measuring (302) current values from a plurality of v...
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JP2023015720A |
To provide a neutron detector that has high sensitivity in detecting low-energy neutrons.There are provided a neutron detector 10 comprising: a detection element unit that includes a Si semiconductor layer 2, a first electrode 1 formed o...
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JP2023013653A |
To easily measure a neutron profile.A neutron profile measurement device 10 includes: a plurality of metal plate converters 12a to 12e containing a metal element that is converted into other radioisotope that beta decays by a threshold r...
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JP2023002714A |
To provide a sensor for detecting particles.A sensor comprises a silicon wafer substrate and a charge detection layer mounted on the silicon wafer substrate, and the charge detection layer has a plurality of individual pixel sensors. The...
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JP2022191692A |
To prevent a detector from being inoperative when measuring a nuclear material contained in wastes, stored materials and damaged/molten fuel-containing materials from an atomic power plant.A nuclear material measurement system includes a...
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JP7195983B2 |
An ion implanter includes: a plurality of devices which are disposed along a beamline along which an ion beam is transported; a plurality of neutron ray measuring instruments which are disposed at a plurality of positions in the vicinity...
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JP2022187533A |
To solve the problem in which, in conventional neutron detectors, a peak value of a pulse signal, which is an output signal of the detector, differed depending on whether an incident position of a neutron was near both ends or the center...
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JP7178250B2 |
To provide a nuclear material quantity measuring apparatus and a nuclear material quantity measuring method for accurately and nondestructively measuring the quantity of a nuclear material even when the nuclear material is nonuniformly c...
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JP7166121B2 |
A nondestructive inspecting system 1 includes a neutron source 2 capable of radiating fast neutrons, and a neutron detecting unit 3, wherein the neutron detecting unit 3 is provided with a collimator 30 in which a plurality of through pa...
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JP7153532B2 |
To provide a self-powered detector capable of operating even in a case where an emitter melts at a high temperature.A self-powered detector 1 has an emitter 11 inside and a collector 14 outside, in which there is insulation between the e...
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JP2022135616A |
To provide a neutron measurement chip and a neutron measurement system that can improve handleability in performing measurement of a neutron beam and guarantee measurement accuracy.An absorption member 62 is covered by a cover member 63....
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