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JP6321036B2 |
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JP6315575B2 |
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JP6312606B2 |
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JP6310942B2 |
A neutron detector for detecting neutrons includes an exterior shell bounding and sealing an interior volume. The exterior shell serves as a cathode. A central structure extends longitudinally within the exterior shell. The central struc...
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JP6306456B2 |
To provide a diagnosis device and a diagnosis method capable of appropriately diagnosing a state of charge, a degradation state, and the like of a battery.A diagnosis method according to an embodiment of the invention is a diagnosis meth...
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JP6282671B2 |
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JP2018013378A |
To solve the problem in which, although the conventional technique arranges a plurality of detectors for specifying an incident direction of neutrons, the position at which the detectors are arranged is decided or limited due to the prin...
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JP6262090B2 |
To provide an estimation method of a subcritical state and a subcritical state estimation system capable of grasping a subcritical degree of fuel debris without introducing large-scaled facilities.A subcritical state estimation system 1 ...
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JP6255552B2 |
A neutron spectrometer that is more accurate, faster, and more-portable than conventional spectrometers includes an organic scintillator responsive to neutrons and gammas and an inorganic scintillator that captures neutrons. A processor ...
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JP6257994B2 |
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JP6245784B2 |
The device (100) has multiple pixels, where each pixel includes a portion of a diamond layer (104) that is placed between two electrodes (102, 122) and achieves transduction of photons and high energy particles radiation into an electric...
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JP6228340B1 |
[Subject] A neutron position transducer which can improve position resolution is provided. [Means for Solution] Neutron position transducer 11 is provided with anode 21 arranged at an axial center in tubular enclosure machine 20 used as ...
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JP6223749B2 |
[Object] To provide a neutron scintillator that is constituted of a resin composition including inorganic fluorescent substance particles and has an excellent neutron/³ ray discrimination ability even when an optical transparency of the...
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JP6218224B2 |
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JP6214095B2 |
Provided are a neutron monitor device and a neutron measurement method which make it easier to measure the intensity of the neutrons having the energy region of 10 KeV to several hundreds KeV. A neutron monitor device includes a first de...
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JP6216314B2 |
Embodiments of the present invention provide a neutron spectrometry system, comprising a plurality of semiconductor detector portions arranged in close proximity, wherein the detector portions are arranged in at least two non-parallel ax...
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JP6206948B2 |
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JP6204750B2 |
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JP6204746B2 |
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JP6204763B2 |
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JP6198345B2 |
A neutron scintillator composed of a resin composition comprising (A) an inorganic phosphor containing at least one neutron capture isotope selected from lithium 6 and boron 10 and (B) a resin, wherein the inorganic phosphor is a particl...
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JP2017525974A |
Tension metastable fluid detectors that minimize false positive detection events are disclosed. The method involves the use of a new fluid for improved neutron-alpha fission detection under reduced tension conditions. Spin velocity is al...
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JP2017149883A |
To provide a scintillator and a radiation detector excellent in light emission amount, fluorescence lifetime, and position resolution.A scintillator has a first crystal phase 11 having a plurality of columnar crystals with unidirectional...
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JP2017142125A |
To provide a neutron absorber installation system that enables installation of a required amount of neutron absorber even in an environment in the proximity of fuel debris.A neutron absorber installation system includes; a neutron absorb...
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JP6179885B2 |
To provide a technology that accurately measures an amount of fissile material in a radioactive waste.A measurement method comprises the steps of: irradiating a radioactive waste with a neutron from a fast neutron source for a predetermi...
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JP6164748B2 |
A nuclear material within a container is to be detected. Included are: a neutron source for generating neutrons emitted toward the container; a detection section capable of detecting neutrons including primary neutrons emitted from the n...
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JP6148461B2 |
An arrangement for detecting energy particle impingement includes a support frame and a multi-tube detector pack. Each pack includes multiple detector tubes. Each tube contains at least one sensitive material. Each tube is elongate along...
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JP6143162B2 |
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JP6144114B2 |
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JP2017090076A |
To provide a criticality monitor whose output sensitivity is high only for neutrons in an environment where neutrons and gamma rays coexist.In a tubular collector, a neutron detecting emitter and a gamma ray detecting emitter having simi...
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JP6132998B2 |
A detector signal-processing circuit (8) comprises the following: a current/voltage conversion part (21) that converts the current value of a neutron detector (3) to a voltage value; a variable gain amplification part (22) that performs ...
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JP2017083327A |
To provide a neutron detection method and neutron detection device capable of certainly detecting a neutron without requiring a target substance reacting with the neutron.A signal of a γ ray detected by a radiation detector 1 disposed i...
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JP2017078585A |
To provide critical detection technique superior in swiftness and reliability without depending upon state change of an object of detection.A critical detection device 10 comprises: a first neutron detector 11 which detects a neutron pas...
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JP6114519B2 |
A neutron detector includes an exterior shell (20) bounding an interior volume. The neutron detector includes at least a wall portion (30) serving as a cathode. In one example the wall portion has microfeatures. The neutron detector incl...
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JP6100693B2 |
A system of the present invention is capable of detecting, imaging and measuring both neutrons and gamma rays. The system has three parallel plates each containing a plurality of detectors. Each plate has different detectors. The first p...
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JPWO2015064587A1 |
To provide a neutron detector having excellent neutron counting accuracy capable of accurately measuring neutrons even in a field where the dose of γ-rays which becomes background noise is high. Eu: LiCaAlF6A resin composition containin...
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JP2017044701A |
To provide a radiation detection element capable of detecting neutrons with high sensitivity.A radiation detection element is formed from a phosphate compound containing silver, lithium orthophosphate, and aluminum metaphosphate. The pho...
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JP6083637B2 |
A neutron detector without 3 He gas, provided with a translucent type plate neutron scintillator having the structure capable to emit fluorescence from double-sides; the neutron scintillator is composed of ZnS fluorescent substance and a...
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JP2017505437A |
The present invention is a device for measuring the amount of beryllium in a radioactive object (5), the device being: with a piece (1) made of a material capable of thermally mobilizing neutrons emitted by a radioactive object. , A holl...
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JPWO2014136990A1 |
Means for scintillation detection of β rays emitted from I-128 generated as a result of neutrons incident on the scintillator and being activated by the (n, γ) reaction, and I-128 detected by the scintillator. It has a means to grasp t...
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JP6067396B2 |
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JP2017009393A |
To provide neutron measurement technology for measuring dose of neutrons by energy in real time, and a treatment apparatus for a boron neutron capture therapy using the measured dose of the neutrons.A neutron measurement device 10 is pro...
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JP6053122B2 |
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JP6052933B2 |
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JP2016217876A |
To highly accurately and efficiently identify existence of molten fuel containing a fissionable material and its location by a correlation neutron detection method, using a molten fuel identification device in which a plurality of neutro...
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JP6043031B2 |
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JP6042269B2 |
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JP6041484B2 |
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JP2016200422A |
To enable accurate measurement of neutron source distribution in a substance under measurement that contains burnt nuclear fuel.According to an embodiment, a neutron source distribution measurement apparatus 100 includes: an external neu...
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JP6035798B2 |
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