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A 64$$times$$64 cm$$^{2}$$ area position-sensitive scintillation neutron detector as an alternative to helium-3 gas based detector

Nakamura, Tatsuya  ; To, Kentaro  ; Honda, Katsunori; Ebine, Masumi ; Birumachi, Atsushi; Sakasai, Kaoru  

A two-dimensional scintillation neutron detector that has neutron-sensitive area of 64 $$times$$ 64 cm$$^{2}$$ was developed for neutron scattering instruments by using wavelength shifting fibers technology. We designed the detector to have a pixel size of 20 $$times$$ 20 mm$$^{2}$$. In order to compensate light attenuation occurred travelling along the wavelength-shifting fiber the scintillation light was read out from both sides of the fiber. The prototype detector exhibited a detection efficiency of 40% for 1.8${AA}$ neutrons, which was similar to previously developed detector with a smaller size of 32 $$times$$ 32 cm$$^{2}$$. The detailed detector design and experimental results measured by using the pulsed neutrons at the J-PARC/MLF are presented.

Language

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English

Journal

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Proceedings of 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2015), Vol.1

Volume

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Number

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Pages

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p.680 - 683

Publication Year/Month

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2016/11

Meeting title

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2015 IEEE Nuclear Science Symposium and Medical Imaging Conference; 22nd International Symposium on Room-Temperature Semiconductor X-ray and $$gamma$$-ray detectors (NSS/MIC 2015)

Held date

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2015/10

Location (city)

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San Diego

Location (country)

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U.S.A.

Patent information

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PDF

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Paper URL

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https://doi.org/10.1109/NSSMIC.2015.7581899

DOI for research data

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Keywords

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Scintillation Counters

Research Facility

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J-PARC物質・生命科学実験施設  

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Altmetrics

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