Silicon Photomultipliers as Alternative System of Photomultipliers of Neutral Particle Detector in Electron-Proton Accelerators

Андрій Сергійович Юдін, Олександр Терентйіович Богорош, Сергiй Олександрович Воронов


Measurement of events that produce particles, in particular photons, is a powerful tool for the study of subatomic constituents of the universe. The purpose of this research is to consider placement in the detector, study properties and implementation of updated ZEUS detector photomultipliers for possible use in future electron-proton accelerators. The most important part of the detector ZEUS, especially when measuring neutral particles such as photons, is calorimeter ZEUS, based on the phenomena of photon emission from the excited electron, which is returned to a lower energy level. These photons are transmitted to the photomultiplier tubes where the photon signal is amplified and converted into a small current. For future measurements for operational reasons and productivity it is encouraged to use silicon photomultipliers. Modernization of the system of photomultipliers has been proposed as one of the possible upgrades of detector for studying prompt photons at high collision energies. Examined are the composition and properties of the new system of photomultipliers, which is planned to be placed inside the metal tubes that come out from the central part of the detector. The efficiency of the new photon detection system is evaluated.


Silicon photomultiplier; Calorimeter, Detector


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