Journal
PHYSICS OF ATOMIC NUCLEI
Volume 78, Issue 13, Pages 1539-1543Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S1063778815130244
Keywords
digital trigger; trigger system; FPGA; liquid xenon detector; coherent neutrino scattering
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Funding
- National Research Nuclear University MEPhI within the grant of the Government of the Russian Federation [11.G34.31.0049, 220]
- Ministry of Education and Science of the Russian Federation within the grant of the Government of the Russian Federation [11.G34.31.0049, 220]
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The system for forming a trigger for the liquid xenon detector RED-100 is developed. The trigger can be generated for all types of events that the detector needs for calibration and data acquisition, including the events with a single electron of ionization. In the system, a mechanism of event detection is implemented according to which the timestamp and event type are assigned to each event. The trigger system is required in the systems searching for rare events to select and keep only the necessary information from the ADC array. The specifications and implementation of the trigger unit which provides a high efficiency of response even to low-energy events are considered.
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