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

M. Isobe; K. Ogawa; H. Miyake; H. Hayashi; T. Kobuchi; Y. Nakano; K. Watanabe; A. Uritani; T. Misawa; T. Nishitani; M. Tomitaka; T. Kumagai; Y. Mashiyama; D. Ito; S. Kono; M. Yamauchi; Y. Takeiri

doi:10.1063/1.4891049

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

M. Isobe, K. Ogawa, H. Miyake, H. Hayashi, T. Kobuchi, Y. Nakano, K. Watanabe, A. Uritani, T. Misawa, T. Nishitani, M. Tomitaka, T. Kumagai, Y. Mashiyama, D. Ito, S. Kono, M. Yamauchi, Y. Takeiri

Research output: Contribution to journal › Article › peer-review

59 Citations (Scopus)

Abstract

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 × 10⁹ counts/s. Because a maximum total neutron emission rate over 1 × 10¹⁶ 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.

Original language	English
Article number	11E114
Journal	Review of Scientific Instruments
Volume	85
Issue number	11
DOIs	https://doi.org/10.1063/1.4891049
Publication status	Published - Nov 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/1.4891049

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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. (2014). Wide dynamic range neutron flux monitor having fast time response for the Large Helical Device. Review of Scientific Instruments, 85(11), [11E114]. https://doi.org/10.1063/1.4891049

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

In: Review of Scientific Instruments, Vol. 85, No. 11, 11E114, 11.2014.

Research output: Contribution to journal › Article › peer-review

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 2014, 'Wide dynamic range neutron flux monitor having fast time response for the Large Helical Device', Review of Scientific Instruments, vol. 85, no. 11, 11E114. https://doi.org/10.1063/1.4891049

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. / Wide dynamic range neutron flux monitor having fast time response for the Large Helical Device. In: Review of Scientific Instruments. 2014 ; Vol. 85, No. 11.

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abstract = "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 × 109 counts/s. Because a maximum total neutron emission rate over 1 × 1016 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.",

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

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