High time resolution RPCs with different readout geometries

N. Tomida, C. Y. Hsieh, M. Niiyama, H. Ohnishi, W. C. Chang, T. Hashimoto, H. Hamano, K. Mizutani

研究成果: Article査読

6 被引用数 (Scopus)

抄録

We have developed prototype resistive plate chambers (RPCs) for the LEPS2 experiment at SPring-8 in Japan. At LEPS2, RPCs will be used as time-of-flight detectors. The goal is to achieve a time resolution of 50 ps with a readout cell as large as possible. We made several types of RPCs and examined the dependence of time resolution with the size and the shape of the readout cell. We found that the time resolution and the efficiency largely depend on the shape of the readout cell and the position where it is excited. We confirmed that two-ends strip-shaped readout cells performed better than one-end readout cells, and a promising time resolution of 60 ps was obtained with a 2.5 cm (wide) × 108 cm (long) readout.

本文言語English
論文番号P12005
ジャーナルJournal of Instrumentation
7
12
DOI
出版ステータスPublished - 2012 12月
外部発表はい

ASJC Scopus subject areas

  • 数理物理学
  • 器械工学

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