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Report No.

Development of a GEM-based TPC for H-dibaryon search at J-PARC

Sako, Hiroyuki   ; Hwang, S.; Ichikawa, Yudai   ; Imai, Kenichi; Sato, Susumu  ; Sugimura, Hitoshi

We develop a TPC (Time Projection Chamber) using GEM (Gas Electron Multiplier) to search for H-dibaryon at J-PARC E42 experiment. We evaluated performance of a small prototype TPC. We performed a long term operation test for one month which is similar term as E42. We suppressed hit position distortion with $$pm$$0.2 mm due to ion backflow.



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