Commissioning of the cylindrical drift chamber for the COMET experiment

Manabu Moritsu, Yoshitaka Kuno, Yugo Matsuda, Yu Nakazawa, Saki Ohta, Hideyuki Sakamoto, Akira Sato, Ming Liang Wong, Ting Sam Wong, Chen Wu, Hisataka Yoshida, Xiaoshan Jiang, Hai Bo Li, Yohei Nakatsugawa, Jie Zhang

研究成果: Contribution to journalConference article査読

1 被引用数 (Scopus)

抄録

A cylindrical drift chamber (CDC) has been developed for the COMET Phase-I experiment. To search for the muon-to-electron conversion with a sensitivity of 3 × 1015, the CDC is required to have momentum resolution of 200 keV/c for 100-MeV/c electrons. In order to reduce the multiple scattering, we have selected a chamber gas mixture of 90% helium with 10% isobutane. Construction of the CDC was successfully conducted, and performance evaluation is being carried out. We have confirmed stable operation without a magnetic field thus far based on cosmic-ray tests. In this paper, the motivation, design, construction, and commissioning status of the CDC are presented.

本文言語英語
論文番号128
ジャーナルProceedings of Science
364
出版ステータス出版済み - 2019
外部発表はい
イベント2019 European Physical Society Conference on High Energy Physics, EPS-HEP 2019 - Ghent, ベルギー
継続期間: 7 10 20197 17 2019

All Science Journal Classification (ASJC) codes

  • 一般

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