Construction of gas electron multiplier tracker for the J-PARC E16 experiment

Tomoki Murakami ,S Ashikaga,A Takagi,Wataru Nakai ,Kazuo Aoki ,Masaya Ichikawa ,Koki Kanno ,H Hamagaki,H Murakami,K Shigaki,H En’Yo,T.K Kondo,T Takahashi ,T Shibukawa,S Yokkaichi,Yuhei Morino ,Yutaka Watanabe ,Yusuke Komatsu ,Kazuki Suzuki ,M Sekimoto,T Gunji,K Ozawa,M Naruki,Yuzo Obara ,Shinzo Kobayashi ,Satomi Nakasuga ,R Muto

doi:10.1016/j.nima.2023.168817

Construction of gas electron multiplier tracker for the J-PARC E16 experiment

Tomoki Murakami , S Ashikaga + Show 25 more

https://doi.org/10.1016/j.nima.2023.168817

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Journal: Nuclear Inst. and Methods in Physics Research, A

Publication Date: Oct 24, 2023

Affiliation: The University of Tokyo, RIKEN Nishina Center, Kyoto University, High Energy Accelerator Research Organization, Japan Atomic Energy Agency, Advanced Science Research Center, Nagasaki Institute of Applied Science, Hiroshima University, Tokyo University of Science

#Gas Electron Multiplier #Gas Electron Multiplier Foils + Show 6 more

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Abstract

The gas electron multiplier tracker (GTR) was developed and constructed for the J-PARC E16 experiment. The GTR is capable of operating in a high-counting environment of up to 5kHz/mm2. Additionally, its design is optimized to minimize the material budget and maximize acceptance. With high-quality Gas Electron Multiplier (GEM) foils, eight modules composed of 24 chambers were constructed. The gain of each chamber was measured to be over 6000, satisfying the experimental specification. This study provides a comprehensive description of the detector, including its design, assembly procedure, and construction process.

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