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PA-PRO-2019-005

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Latest Improvements of Microchannel-Plate PMTs
A. Lehmann et al. (PANDA Cherenkov Group)
PA-PRO-2019-005.pdf (609.02 KB)
C. Schwarz
Paper
Proceedings (PRO)
VCI 2019
Detector hardware
Monday, April 1, 2019 - 12:00
The DIRC detectors of the PANDA experiment at FAIR will use multi-anode MCP-PMTs as photon sensors. After long and extensive R&D work
the performance parameters of the recent 2'' MCP-PMT models are converging towards the required values. The lifetime of most ALD-coated
MCP-PMTs is well surpassing the DIRC requirements with the best tube currently reaching >22 C/cm2 without aging. The performance of the most advanced MCP-PMTs from PHOTONIS and Hamamatsu fulfill basically all requirements with a highlight being the high DQE of almost 30% for the PHOTONIS 9002108. The improvements of the latest MCP-PMT models compared to former tubes are emphasized in this paper. In addition, some performance features of a recently developed 2'' MCP-PMT by Photek Ltd are presented and discussed.
PA-PRO-2019-005: Latest Improvements of Microchannel-Plate PMTs

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