Mass testing of the JUNO experiment 20-inch PMTs readout electronics
Alberto Coppi, Beatrice Jelmini, Marco Bellato, Antonio Bergnoli,, Matteo Bolognesi, Riccardo Brugnera, Vanessa Cerrone, Chao Chen, Barbara, Clerbaux, Daniele Corti, Flavio dal Corso, Jianmeng Dong, Wei Dou, Lei Fan,, Alberto Garfagnini, Arsenii Gavrikov, Guanghua Gong
TL;DR
This paper details the development and implementation of a comprehensive testing protocol for the 20-inch PMT readout electronics used in the JUNO neutrino experiment, achieving high acceptance yield during mass production.
Contribution
It introduces a new test protocol for large-scale quality assurance of PMT electronics in the JUNO experiment, ensuring high reliability and efficiency.
Findings
6950 electronic boards tested within ten months
Acceptance yield of 99.1% achieved
Efficient mass testing process established
Abstract
The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose, large size, liquid scintillator experiment under construction in China. JUNO will perform leading measurements detecting neutrinos from different sources (reactor, terrestrial and astrophysical neutrinos) covering a wide energy range (from 200 keV to several GeV). This paper focuses on the design and development of a test protocol for the 20-inch PMT underwater readout electronics, performed in parallel to the mass production line. In a time period of about ten months, a total number of 6950 electronic boards were tested with an acceptance yield of 99.1%.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Neutrino Physics Research