2026-04-07 アルゴンヌ国立研究所（ANL）
The research team with the fully installed CRV detector in the Mu2e building at Fermilab. The researchers from left to right are Yuri Oksuzian (Argonne), Ralf Ehrlich (University of Virginia), Sam Grant (Argonne) and Simon Corrodi (Argonne). (Image by Argonne National Laboratory.)
＜関連情報＞
- https://www.anl.gov/article/scientists-commission-crucial-subsystem-in-pioneering-particle-physics-experiment
- https://www.sciencedirect.com/science/article/abs/pii/S016890022500885X
Mu2e宇宙線ベトー検出器の性能評価 Performance studies of the Mu2e cosmic ray veto detector
Simon Corrodi, Mackenzie Devilbiss, E. Craig Dukes, Ralf Ehrlich, R. Craig Group, Tyler Horoho, Yuri Oksuzian, Paul Rubinov, Matthew Solt, Yongyi Wu
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Available online: 14 October 2025
DOI:https://doi.org/10.1016/j.nima.2025.171083
Abstract
The cosmic ray veto (CRV) detector of the Mu2e experiment consists of four layers of plastic scintillation counters that surround the detector solenoid. These counters are embedded with wavelength-shifting fibers and are read out by silicon photomultipliers (SiPMs). The performance of a subset of the CRV counters was studied in a cosmic-ray test stand. Using data taken over a two-year period, we report the single-layer muon detection efficiency and the rate at which the light yield degrades due to the aging of the plastic scintillation counters.
