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On-beam commissioning of the energy resolved neutron imaging system, RADEN, of J-PARC

J-PARCのエネルギー分析型イメージング装置RADENのオンビームコミッショニング

甲斐 哲也  ; 篠原 武尚  ; 廣井 孝介 ; Su, Y. ; 及川 健一  ; 瀬川 麻里子  ; 中谷 健 ; 林田 洋寿*; Parker, J. D.*; 松本 吉弘*; 鬼柳 善明*

Kai, Tetsuya; Shinohara, Takenao; Hiroi, Kosuke; Su, Y.; Oikawa, Kenichi; Segawa, Mariko; Nakatani, Takeshi; Hayashida, Hirotoshi*; Parker, J. D.*; Matsumoto, Yoshihiro*; Kiyanagi, Yoshiaki*

In this presentation we mainly describe the on-beam commissioning of a T0 chopper, a double disk chopper, filters and a tomography system installed in the energy-resolved neutron imaging system, RADEN at J-PARC. Although these are commonly used in either neutron scattering instruments at short pulse sources or in neutron imaging (radiography/tomography) instruments at continuous neutron sources, unique results will be obtained since RADEN is the world's first imaging instrument installed at an intense short pulse neutron source. Most results of the on-beam commissioning have confirmed the validity of the designs although some unexpected results were obtained for the combination of the neutron imaging technique and a short-pulsed neutron source. These results will be useful for future imaging instruments at pulsed neutron sources.

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