Development of a Time-resolved Neutron Imaging Detector Based on the μPIC Micro-Pixel Chamber
Parker, Joseph D · Harada, Masahide · Hattori, Kaori · Iwaki, Satoru · Kabuki, Shigeto · Kishimoto, Yuji · Kubo, Hidetoshi · Kurosawa, Shunsuke · Matsuoka, Yoshihiro · Miuchi, Kentaro · Mizumoto, Tetsuya · Nishimura, Hironobu · Oku, Takayuki · Sawano, Tatsuya · Shinohara, Takenao · Suzuki, Jun-ichi · Takada, Atsushi · Tanimori, Toru · Ueno, Kazuki · Ikeno, Masahiro · Tanaka, Manobu · Uchida, Tomohisa
Original · EN
We have developed a prototype time-resolved neutron imaging detector employing a micro-pattern gaseous detector known as the micro-pixel chamber (μPIC) coupled with a field-programmable-gate-array-based data acquisition system. Our detector system combines 100μm-level spatial and sub-μs time resolutions with a low gamma sensitivity of less than 10-12 and high data rates, making it well suited for applications in neutron radiography at high-intensity, pulsed neutron sources. In the present paper, we introduce the detector system and present several test measurements performed at NOBORU (BL10), J-PARC to demonstrate the capabilities of our prototype. We also discuss future improvements to the spatial resolution and rate performance.
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