Trigger and readout electronics for the STEREO experiment
O. Bourrion, J. L. Bouly, J. Bouvier, G. Bosson, V. Helaine, J., Lamblin, C. Li, F. Montanet, J. S. Real, T. Salagnac, N. Ponchant, A. Stutz,, D. Tourres, C. Vescovi, S. Zsoldos
TL;DR
The paper details the design and performance of specialized trigger and readout electronics for the STEREO experiment, enabling precise neutrino detection and calibration in a compact system.
Contribution
It introduces a dedicated electronic system with a two-stage trigger, high-speed digitization, and online calibration capabilities tailored for the STEREO neutrino experiment.
Findings
Successful implementation of a trigger system with selectable conditions
Continuous digitization of 68 photomultiplier signals at 250 MSPS
Enabling online calibration for detector performance monitoring
Abstract
The STEREO experiment will search for a sterile neutrino by measuring the anti-neutrino energy spectrum as a function of the distance from the source, the ILL nuclear reactor. A dedicated electronic system, hosted in a single microTCA crate, was designed for this experiment. It performs triggering in two stages with various selectable conditions, processing and readout via UDP/IPBUS of 68 photomultiplier signals continuously digitized at 250 MSPS. Additionally, for detector performance monitoring, the electronics allow on-line calibration by driving LED synchronously with the data acquisition. This paper describes the electronics requirements, architecture and the performances achieved.
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