Gamma sensitivity of single-crystal CVD diamond neutron detectors

We have studied the gamma sensitivity of single-crystal CVD diamond neutron detectors using a 252 Cf neutron source placed in a moderator. It has been shown that a major contribution to the count rate of the detectors is made by the gamma rays from the source. We have compared the count rates of a d...

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Bibliographic Details
Published in:Inorganic materials 2016-03, Vol.52 (3), p.262-267
Main Authors: Zyablyuk, K. N., Kolyubin, V. A., Pashentsev, V. N., Nedosekin, P. G., Tyurin, E. M., Afanas’ev, S. A.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Counting
Detectors
Diamonds
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Neutron detectors
Neutron sources
Scintillation
Sensitivity
Single crystals
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Summary:We have studied the gamma sensitivity of single-crystal CVD diamond neutron detectors using a 252 Cf neutron source placed in a moderator. It has been shown that a major contribution to the count rate of the detectors is made by the gamma rays from the source. We have compared the count rates of a detector with a 10 B boron isotope-based slow-neutron converter and without it. With allowance for the theoretically calculated detection efficiency, the difference between the count rates is consistent with the fraction of slow neutrons measured using a scintillation detector.
ISSN:0020-1685
1608-3172
DOI:10.1134/S002016851603016X