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@article{FUJII2024169665,
title = {Particle identification using plastic scintillators in the COMET Phase-I experiment},
journal = {Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment},
volume = {1067},
pages = {169665},
year = {2024},
issn = {0168-9002},
doi = {https://doi.org/10.1016/j.nima.2024.169665},
url = {https://www.sciencedirect.com/science/article/pii/S0168900224005916},
author = {Yuki Fujii and Ryoka Sasaki and Nicolas Chadeau and Thomas Clouvel and Sam Dekkers and Masaaki Higashide and Shion Kuribayashi and Satoshi Mihara and Alex Miles and Hajime Nishiguchi and Yoshi Uchida and Kenya Okabe and Kou Oishi and Kazuki Ueno},
keywords = {PID, Charged lepton flavour violation},
abstract = {The COMET (COherent Muon to Electron Transition) Phase-I experiment aims to search for muon to electron conversion with a single event sensitivity of O (10−15). In COMET, a Cylindrical Trigger Hodoscope (CTH), consisting of segmented plastic scintillators, provides a primary trigger signal and timing measurement while suppressing backgrounds under the high rate environment. This paper studies the particle identification capability of CTH to suppress one of the serious backgrounds induced by cosmic-rays. We demonstrated that a background suppression factor greater than 10 is achievable with a signal efficiency higher than 90%.}
}