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Report No.

Alternative He-3 neutron detectors using solid scintillators for nuclear safeguards

Sakasai, Kaoru ; Nakamura, Tatsuya ; To, Kentaro ; Suzuki, Hiroyuki; Ozu, Akira ; Ebine, Masumi ; Birumachi, Atsushi; Takase, Misao; Kurata, Noritaka; Yoshino, Seiji; Kureta, Masatoshi ; Soyama, Kazuhiko ; Seya, Michio

We have developed the neutron-sensitive scintillator neutron counter for nuclear safeguards. The detector is made based on the scintillator detector technology developed long in the J-PARC/MLF. The detector is comprised of the ZnS/B$$_{2}$$O$$_{3}$$ ceramic scintillator, rectangular shaped light guide and photomultiplier tubes. The detector performances including detector efficiency and its incident position dependence and $$gamma$$-ray sensitivity are presented in detail.



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