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Evaluation of the upgraded 3-inch Hamamatsu photomultiplier for the KM3NeT Neutrino Telescope

  • the KM3NeT Collaboration
  • National Institute for Nuclear Physics
  • Université de Strasbourg
  • Université de Haute-Alsace
  • Khalifa University of Science and Technology
  • Aix-Marseille Université
  • University of Valencia
  • University of Naples Federico II
  • Polytechnic University of Catalonia
  • Nantes Université
  • Polytechnic University of Valencia
  • Université de Paris
  • University of Genoa
  • Université de Caen
  • Czech Technical University in Prague
  • Comenius University
  • University of Bologna
  • University of Campania Luigi Vanvitelli
  • LPC
  • University of Hull
  • National Institute for Subatomic Physics
  • North West University
  • Badji Mokhtar University
  • Mohammed V University in Rabat
  • University of Salerno
  • Institute for Space Sciences
  • University of Amsterdam
  • Netherlands Organisation for Applied Scientific Research
  • University of Rome La Sapienza
  • Cadi Ayyad University
  • University of the Witwatersrand
  • University of Catania
  • Université catholique de Louvain
  • University of Granada
  • Friedrich-Alexander University Erlangen-Nürnberg
  • Demokritos National Centre for Scientific Research
  • Mohamed I University
  • Western Sydney University
  • Royal Netherlands Institute for Sea Research - NIOZ
  • Leiden University
  • AGH University of Science and Technology
  • Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
  • Ivane Javakhishvili Tbilisi State University
  • The University of Georgia, Tbilisi
  • Institut universitaire de France
  • Max Planck Institute for Radio Astronomy
  • Sharjah Academy for Astronomy, Space Sciences & Technology
  • National Centre for Nuclear Research
  • Harvard University
  • Mohammed VI Polytechnic University
  • Université Montpellier 2

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The 3-inch Hamamatsu R14374-02 photomultiplier tube is an improved version of the R12199-02 model and its successor in the construction of the KM3NeT neutrino telescope. A total of 1000 photomultipliers were analysed to assess their dark count rate, transit time spread, and spurious pulses. A subset of 200 photomultipliers were further evaluated to determine their quantum efficiency which is an essential parameter for Monte Carlo simulations of the detector response. The measurements show that R14374-02 model has better quantum efficiency homogeneity over the photocatode and better time properties than the R12199-02.

Original languageEnglish
Article numberP07054
JournalJournal of Instrumentation
Volume20
Issue number7
DOIs
Publication statusPublished - 1 Jul 2025

Keywords

  • Cherenkov detectors
  • Neutrino detectors
  • Optics
  • Photon detectors for UV, visible and IR photons (vacuum) (photomultipliers, HPDs, others)

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation

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