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Application of energy-resolving neutron imaging to major-component analyses of materials using four-channel superconducting detector

4チャンネル超伝導検出器を用いた材料の主成分分析へのエネルギー分解型中性子イメージングの利用

Vu, TheDang*   ; 宍戸 寛明*; 相澤 一也  ; 奥 隆之   ; 及川 健一   ; 原田 正英   ; 小嶋 健児*; 宮嶋 茂之*; 曽山 和彦  ; 小山 富男*; 日高 睦夫*; 鈴木 聡*; 田中 真伸*; 町田 昌彦  ; 川又 修一*; 石田 武和*

Vu, TheDang*; Shishido, Hiroaki*; Aizawa, Kazuya; Oku, Takayuki; Oikawa, Kenichi; Harada, Masahide; Kojima, Kenji M*; Miyajima, Shigeyuki*; Soyama, Kazuhiko; Koyama, Tomio*; Hidaka, Mutsuo*; Suzuki, Soh Y*; Tanaka, Manobu M*; Machida, Masahiko; Kawamata, Shuichi*; Ishida, Takekazu*

We proposed a novel superconducting detector called the current-biased kinetic inductance detector (CB-KID) for constructing a neutron transmission imager. We systematically studied the characteristics of the CB-KID to improve spatial resolution down to 10 $$mu$$m in transmission imaging. By analyzing neutron transmission spectra from 1 meV to 500 keV, we identified copper (Cu) and iron (Fe) as major components in commercial nuts and screws. Additionally, we successfully mapped the distribution of the SmSn$$_{3}$$ compound using selective energy regions of pulsed neutrons and the CB-KID detector. It can reveal transmission spectra across a wide range of energies, from cold-neutron energies (meV) to higher neutron energies (up to 500 keV).

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分野:Engineering, Electrical & Electronic

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