期刊
JOURNAL OF INSTRUMENTATION
卷 16, 期 8, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1748-0221/16/08/T08009
关键词
Photon detectors for UV, visible and IR photons (vacuum) (photomultipliers, HPDs, others); Neutrino detectors; Detectors for UV, visible and IR photons
资金
- National Natural Science Foundation of China [11875282]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA10010200, XDA10010300, 10011100]
JUNO is a 20-kton liquid scintillator detector designed to address neutrino physics questions, with high energy resolution and PMT coverage. The study investigated the gain and charge response of MCP and dynode PMTs, as well as the linearity of MCP-PMT charge output.
JUNO is a 20-kton liquid scintillator detector aiming to determine the neutrino mass ordering, precisely measure the oscillation parameters, detect the astrophysical neutrinos and search for exotic physics. It is designed to reach an energy resolution of 3% at 1 MeV with the highest ever PMT coverage, using two types of 20 phototubes: MCP-PMT from NNVT and dynode-PMT from Hamamatsu. In this article, the gain and charge response of the MCP and dynode PMTs are investigated with the study of JUNO Central Detector prototype. The linearity of the MCP-PMT charge output is measured too to check the effect of a long tail on its charge spectrum.
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