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May 21 – 26, 2017
Beijing International Convention Center
Asia/Shanghai timezone

Characterization of 3-inch Photomultiplier Tubes for the JUNO Central Detector

Not scheduled
Beijing International Convention Center

Beijing International Convention Center

No.8 Beichen Dong Road, Chaoyang District, Beijing P. R. China 100101
Poster Neutrino Detectors


Mr Nan Li (IHEP)


Jiangmen Underground Neutrino Observation (JUNO) is one of the largest experimental facilities for neutrino detecting. As its main structure, the central detector (CD) contains 20 kiloton liquid scintillator filled in an acrylic shell, and there are 18,000 20-inch photomultiplier tubes (PMTs) and 36,000 3-inch PMTs covering the shell. As an independent photon detection system, 3-inch PMTs have been required to have excellent resolution for the single photoelectron (SPE) detection, high quantum efficiency, small transit time spread and low dark rate. Three kinds of 3-inch PMT from HZC Photonics and Hamamatsu have been investigated as candidates. A dedicated test system for 3-inch PMTs has been designed and various characterization parameters have been measured. The preliminary results show these PMTs can meet the requirements of JUNO.

Primary author

Mr Nan Li (IHEP)


Mr Gang Wang (IHEP) Dr Miao He (高能所) Mr Zhimin WANG (中国科学院高能物理研究所) Prof. 月昆 衡 (高能所)

Presentation materials

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