Status of the large area MCP-PMT in China

Sen, Q.; Liu, Shulin; Ning, Z.; Yifang, Wang; Zhao, T. C.; Heng, Y. K.; Liu, Hulin; Li, Weihua; Tian, J.; Wei, Yueguang; Xin, Liwei; Huang, Guorui; Liu, Dong; Ren, Lei; Sun, Jianning; Si, Shubin; Qi, M.

doi:10.22323/1.282.0264

Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016) 2017

DOI: 10.22323/1.282.0264

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Status of the large area MCP-PMT in China

Q. Sen¹,

Shulin Liu²,

Z. Ning³

et al.

Abstract: For the next generation neutrino experiment, number of experienced researchers and engineers in research institutes and companies related to PMT fabrication in China jointly worked on the large area MCP-PMT collaboration group. In the past 5 years by collaborative work, the 8-inch and 20-inch prototypes were produced. And also get the high detection efficiency 20-inch MCP-PMT for JUNO in 2015, and get the 75% order of the JUNO-PMT. This manuscript will introduce the progress of the R&D of this new design of th… Show more

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Mass testing and characterization of 20-inch PMTs for JUNO

et al. 2022

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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).

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Mass testing and characterization of 20-inch PMTs for JUNO

et al. 2022

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Status of the large area MCP-PMT in China

Cited by 1 publication

References 4 publications

Mass testing and characterization of 20-inch PMTs for JUNO

Mass testing and characterization of 20-inch PMTs for JUNO

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