Design and construction of a large cylindrical transition radiation detector for the VENUS experiment

M. Sakuda, Y. Fukushima, K. Hayashi, T. Kohriki, S. Nakamura, K. Ogawa, Y. Watase, J. Haba, N. Kanda, A. Suzuki, Y. Suzuki, A. Tsukamoto, H. Yamamoto, Y. Chiba, T. Ohsugi, A. Taketani, N. Terunuma, I. Nakano

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

We describe the design considerations and construction techniques of a large cylindrical transition radiation detector (TRD), 296 cm long and 311.4 cm in diameter, for the VENUS experiment at the e+e+ storage ring, TRISTAN. The design is based on measurements by using test chambers with e/π beams and X-ray sources. The test results will be fully described. The TRD contains four modules of radiators, each followed by an X-ray chamber with 8192 (2688) total (sense) wires. The gain calibration of all sense wires has been completed with an accuracy of 5%. The TRD is expected to provide a pion rejection ratio of 15±3 with an electron efficiency of 90% for isolated tracks with momenta above 1 GeV/c.

Original languageEnglish
Pages (from-to)57-77
Number of pages21
JournalNuclear Inst. and Methods in Physics Research, A
Volume311
Issue number1-2
DOIs
Publication statusPublished - Jan 1 1992

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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