Cherenkov neutron detector for fusion reaction and runaway electron diagnostics

A Cherenkov-type neutron detector was newly developed and neutron measurement experiments were performed at Korea Superconducting Tokamak Advanced Research. It was shown that the Cherenkov neutron detector can monitor the time-resolved neutron flux from deuterium-fueled fusion plasmas. Owing to the...

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Bibliographic Details
Published in:Review of scientific instruments 2015-08, Vol.86 (8), p.083509-083509
Main Authors: Cheon, MunSeong, Kim, Junghee
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Deuterium
Electrons
HEAVY ION FUSION REACTIONS
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Neutron counters
NEUTRON DETECTION
NEUTRON DETECTORS
Neutron flux
Neutrons
Plasmas (physics)
RUNAWAY ELECTRONS
Scientific apparatus & instruments
Sensors
Temporal resolution
THERMONUCLEAR REACTIONS
TIME RESOLUTION
TOKAMAK DEVICES
Uranium
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Summary:A Cherenkov-type neutron detector was newly developed and neutron measurement experiments were performed at Korea Superconducting Tokamak Advanced Research. It was shown that the Cherenkov neutron detector can monitor the time-resolved neutron flux from deuterium-fueled fusion plasmas. Owing to the high temporal resolution of the detector, fast behaviors of runaway electrons, such as the neutron spikes, could be observed clearly. It is expected that the Cherenkov neutron detector could be utilized to provide useful information on runaway electrons as well as fusion reaction rate in fusion plasmas.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4929386