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 journalArticlepeer-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 languageEnglish
Article number11E114
JournalReview of Scientific Instruments
Volume85
Issue number11
DOIs
Publication statusPublished - Nov 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Instrumentation

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