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Abusleme, Angel [Author]; Adam, Thomas [Author]; Andronico, Giuseppe [Author]; Enqvist, Timo [Author]; Enzmann, Heike [Author]; Fabbri, Andrea [Author]; Fan, Donghua [Author]; Fan, Lei [Author]; Fang, Jian [Author]; Fang, Wenxing [Author]; Fargetta, Marco [Author]; Fedoseev, Dmitry [Author]; Fei, Zhengyong [Author]; Anfimov, Nikolay [Author]; Feng, Li-Cheng [Author]; Feng, Qichun [Author]; Ford, Richard [Author]; Fournier, Amélie [Author]; Gan, Haonan [Author]; Gao, Feng [Author]; Garfagnini, Alberto [Author]; Gavrikov, Arsenii [Author]; Giammarchi, Marco [Author]; Giudice, Nunzio [Author]; [...]

Mass testing and characterization of 20-inch PMTs for JUNO

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  • Media type: E-Article
  • Title: Mass testing and characterization of 20-inch PMTs for JUNO
  • Contributor: Abusleme, Angel [Author]; Adam, Thomas [Author]; Andronico, Giuseppe [Author]; Enqvist, Timo [Author]; Enzmann, Heike [Author]; Fabbri, Andrea [Author]; Fan, Donghua [Author]; Fan, Lei [Author]; Fang, Jian [Author]; Fang, Wenxing [Author]; Fargetta, Marco [Author]; Fedoseev, Dmitry [Author]; Fei, Zhengyong [Author]; Anfimov, Nikolay [Author]; Feng, Li-Cheng [Author]; Feng, Qichun [Author]; Ford, Richard [Author]; Fournier, Amélie [Author]; Gan, Haonan [Author]; Gao, Feng [Author]; Garfagnini, Alberto [Author]; Gavrikov, Arsenii [Author]; Giammarchi, Marco [Author]; Giudice, Nunzio [Author]; [...]
  • imprint: Springer, 2022
  • Published in: The European physical journal / C 82(12), 1168 (2022). doi:10.1140/epjc/s10052-022-11002-8
  • Language: English
  • DOI: https://doi.org/10.1140/epjc/s10052-022-11002-8
  • ISSN: 1434-6052; 1434-6044
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: Main goal of the JUNO experiment is to determine the neutrino mass ordering using a 20 kt liquid-scintillator detector. Its key feature is an excellent energy resolution of at least 3% at 1 MeV, for which its instruments need to meet a certain quality and thus have to be fully characterized. More than 20,000 20-inch PMTs have been received and assessed by JUNO after a detailed testing program which began in 2017 and elapsed for about four years. Based on this mass characterization and a set of specific requirements, a good quality of all accepted PMTs could be ascertained. This paper presents the performed testing procedure with the designed testing systems as well as the statistical characteristics of all 20-inch PMTs intended to be used in the JUNO experiment, covering more than fifteen performance parameters including the photocathode uniformity. This constitutes the largest sample of 20-inch PMTs ever produced and studied in detail to date, i.e. 15,000 of the newly developed 20-inch MCP-PMTs from Northern Night Vision Technology Co. (NNVT) and 5000 of dynode PMTs from Hamamatsu Photonics K. K.(HPK).
  • Access State: Open Access