Waterproofed photomultiplier tube assemblies for the Daya Bay reactor neutrino experiment

Ken Chow, John Cummings, Emily Edwards, William Edwards, Ry Ely, Matthew Hoff, Logan Lebanowski, Bo Li, Piyi Li, Shih Kai Lin, Dawei Liu, Jinchang Liu, Kam Biu Luk, Jiayuan Miao, Jim Napolitano, Juan Pedro Ochoa-Ricoux, Jen Chieh Peng, Ming Qi, Herbert Steiner, Paul StolerMary Stuart, Lingyu Wang, Changgen Yang, Weili Zhong

Research output: Contribution to journalArticlepeer-review


Abstract In the Daya Bay Reactor Neutrino Experiment 960 20-cm-diameter waterproof photomultiplier tubes are used to instrument three water pools as Cherenkov detectors for detecting cosmic-ray muons. Of these 960 photomultiplier tubes, 341 are recycled from the MACRO experiment. A systematic program was undertaken to refurbish them as waterproof assemblies. In the context of passing the water leakage check, a success rate better than 97% was achieved. Details of the design, fabrication, testing, operation, and performance of these waterproofed photomultiplier-tube assemblies are presented.

Original languageEnglish (US)
Article number57730
Pages (from-to)25-32
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
StatePublished - May 27 2015


  • Anti-neutrino
  • Daya Bay
  • Photomultiplier tube
  • Reactor
  • Waterproof

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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