Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 92: Detektorsysteme V

T 92.8: Vortrag

Donnerstag, 28. März 2019, 17:50–18:05, S03

The intelligent PMTs for OSIRISFeng Gao, •Florian Kiel, Tim Kuhlbusch, Achim Stahl, Jochen Steinmann, Christopher Wiebusch, and Christian Wysotzki — III. Physikalisches Institut B, RWTH Aachen University

For the next generation of liquid scintillator detectors, a novel concept for the readout of the Photomultiplier-Tubes has been developed. In the intelligent PMT concept all necessary electronics are mounted at the back of the PMT. The electronics is able to digitize and process the measured signal. Thereby, the high computing power of the FPGA offers the possibility of a low-level waveform reconstruction. Based on the analyzed data, the operational parameters of the PMT, e.g. applied voltage, are regulated autonomously. Since the iPMT will be connected via digital signals only, the performance does not decrease with long cables. The concept can be easily adapted from the laboratory to any size of detector, since the PMTs operate independent. The iPMTs will be deployed in the OSIRIS detector in order to demonstrate the concept as well as testing the performance.

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