Wide dynamic range neutron flux monitor having fast time response for the Large Helical Device

A fast time response, wide dynamic range neutron flux monitor has been developed toward the LHD deuterium operation by using leading-edge signal processing technologies providing maximum counting rate up to ∼5 × 10(9) counts/s. Because a maximum total neutron emission rate over 1 × 10(16) n/s is pre...

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Bibliographic Details
Published in:	Review of scientific instruments Vol. 85; no. 11; p. 11E114
Main Authors:	Isobe, M, Ogawa, K, Miyake, H, Hayashi, H, Kobuchi, T, Nakano, Y, Watanabe, K, Uritani, A, Misawa, T, Nishitani, T, Tomitaka, M, Kumagai, T, Mashiyama, Y, Ito, D, Kono, S, Yamauchi, M, Takeiri, Y
Format:	Journal Article
Language:	English
Published:	United States 01.11.2014
ISSN:	1089-7623, 1089-7623
Online Access:	Get more information
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Summary:	A fast time response, wide dynamic range neutron flux monitor has been developed toward the LHD deuterium operation by using leading-edge signal processing technologies providing maximum counting rate up to ∼5 × 10(9) counts/s. Because a maximum total neutron emission rate over 1 × 10(16) n/s is predicted in neutral beam-heated LHD plasmas, fast response and wide dynamic range capabilities of the system are essential. Preliminary tests have demonstrated successful performance as a wide dynamic range monitor along the design.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1089-7623 1089-7623
DOI:	10.1063/1.4891049