Characterization of the miniPlanacon XPM85112-S-R2D2 MCP-PMT with custom modified backend electronics

T. Komárek,V. Urbášek,A. Brandt, K. Černý,V.A. Chirayath, J. DeFazio,V. Georgiev, S. Hail, M. Hrabovský,Z. Kubík, L. Nožka,D. Orlov,S. Duarte Pinto,M. Rijssenbeek, T. Sýkora, F. Yang, J. Zich

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2022）

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摘要

We report the results of the measurements of three pieces of the new Photonis miniPLANACON microchannel-plate photomultipliers (MCP-PMTs) intended for use in the demanding environment of the Large Hadron Collider (LHC) beamline as a part of the AFP Time-of-Flight detector. These photomultipliers were modified in cooperation with the manufacturer by using a custom backend and were subjected to numerous tests, with the focus on the rate capability and crosstalk behaviour. We determined that the two of them with a lower MCP resistance are able to operate without significant saturation at an anode current density of 1μA/cm2. These two are, therefore, suitable for the intended use and are currently installed as part of the AFP detector packages.

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关键词

Micro-channel plate photo-multiplier tubes,Time-of-flight,Fast timing,Cherenkov radiation

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