Design of the large area MCP-PMT

Ping Chen,Jinshou Tian,Tianchi Zhao,Shulin Liu,Sen Qian,Jianning Sun,Shuguang Si,H. Liu,Yonglin Wei,Xiaofeng Sai,Lehui Guo,Xing Wang,Yu Lu,Chao Wang,Junfeng Wang,Kai He,Chengquan Pei,Liping Tian,Liwei Xin

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2018）

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摘要

This paper describes the design of the 8-inch and 20-inch photomultiplier tubes based on microchannel plates (MCP-PMT). In the large area MCP-PMT, the small MCPs replace the bulky dynode chain in the traditional large PMTs. Photoelectrons are electrostatically focused on MCPs. The MCP assembly, focusing electrodes as well as the supply voltages are carefully optimized to achieve a wide photosensitive area, high photon detection efficiency and good timing resolution.

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关键词

Photomultiplier tube,MCP-PMT,Collection efficiency,Transit time spread,Secondary emission yield

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