Test of a small prototype of the COMET cylindrical drift chamber

C. Wu, T. S. Wong, Y. Kuno, M. Moritsu, Y. Nakazawa, A. Sato, H. Sakamoto, N. H. Tran, M. L. Wong, H. Yoshida, T. Yamane, J. Zhang

研究成果: Contribution to journalArticle査読

抄録

The performance of a small prototype of a cylindrical drift chamber (CDC) used in the COMET Phase-I experiment was studied by using an electron beam. The prototype chamber was constructed with alternating all-stereo wire configuration and operated with the He−iC4H10(90/10) gas mixture without a magnetic field. The drift space–time relation, drift velocity, dE/dx resolution, hit efficiency, and spatial resolution as a function of distance from the wire were investigated. The average spatial resolution of 150 μm with the hit efficiency of 99% was obtained at applied voltages higher than 1800V. We have demonstrated that the design and gas mixture of the prototype match the operation of the COMET CDC.

本文言語英語
論文番号165756
ジャーナルNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
1015
DOI
出版ステータス出版済み - 11 1 2021
外部発表はい

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学
  • 器械工学

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