Volume 468 - Technology & Instrumentation in Particle Physics (TIPP2023) - Main session
Production line and quality assurance of mPMT photosensors for WCTE
K. Dygnarowicz* and  On behalf of The Water Cherenkov Test Experiment and The Hyper-Kamiokande Collaboration
*: corresponding author
Full text: pdf
Pre-published on: April 24, 2025
Published on: July 29, 2025
Abstract
The Water Cherenkov Test Experiment (WCTE) at CERN aims to test technologies related to water
Cherenkov detectors. The experiment will use 100 multi-PMT photosensors in a 41-ton water
tank. These sensors, each comprising nineteen 3” PMTs, are similar to those that will be used in
the Hyper-Kamiokande experiment. The production process involves electronics and mechanics
assembly, including application of an optical gel. Rigorous quality assurance was implemented
to ensure reliability for long-term data collection. WCTE assembly at CERN has already begun,
with data collection expected to start in October 2024.
DOI: https://doi.org/10.22323/1.468.0107
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