Design, construction, and performance of the GEM based radial time projection chamber for the BONuS12 experiment with CLAS12

I. Albayrak, S. Aune,C. Ayerbe Gayoso, P. Baron, S. Bultmann, G. Charles, M. E. Christy, G. Dodge, N. Dzbenski, R. Dupre, K. Griffioen, M. Hattawy, Y. C. Hung, N. Kalantarians, S. Kuhn, I. Mandjavidze, A. Nadeeshani, M. Ouillon,P. Pandey, D. Payette, M. Pokhrel, J. Poudel, A. S. Tadepalli, M. Vandenbroucke

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT（2024）

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摘要

A new radial time projection chamber based on Gas Electron Multiplier amplification layers was developed for the BONuS12 experiment in Hall B at Jefferson Lab. This device represents a significant evolutionary development over similar devices constructed for previous experiments, including cylindrical amplification layers constructed from single continuous GEM foils with less than 1% dead area. Particular attention had been paid to producing excellent geometric uniformity of all electrodes, including the very thin metalized polyester film of the cylindrical cathode. This manuscript describes the design, construction, and performance of this new detector.

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关键词

Time projection chamber,Gas electron multipliers,Spectator-tagging,BONuS12 experiment,Nuclear physics,CLAS12 spectrometer

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