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Report No.

Development of two-dimensional multiwire-type neutron detector system with individual line readout and optical signal transmission

To, Kentaro; Nakamura, Tatsuya; Sakasai, Kaoru; Soyama, Kazuhiko; Hino, Masahiro*; Kitaguchi, Masaaki*; Yamagishi, Hideshi*

A multiwire-type two-dimensional neutron detector system with a sensitive area of 128 $$times$$ 128 mm$$^{2}$$ is developed for use in the Materials and Life Science Experimental Facility at the Japan Proton Accelerator Research Complex. The system can achieve a short response time and high spatial resolution using the individual line readout method. Optical devices have been incorporated in the system for long-distance signal transmission and insulation between a detector head in the neutron shielding and signal processing circuits in the data acquisition room. The detector system exhibits a pulse-pair resolution of 1 $$mu$$s, an average spatial resolution of less than 2 mm full width at half-maximum in the sensitive region, and a two-dimensional homogeneity of 8.3% in all pixels.



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Category:Instruments & Instrumentation



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