FELIX based readout of the Single-Phase ProtoDUNE detector
Andrea Borga, Eric Church, Frank Filthaut, Enrico Gamberini, Paul de, Jong, Giovanna Lehmann Miotto, Frans Schreuder, J\"orn Schumacher, Roland, Sipos, Milo Vermeulen, Kevin Wierman, Lynn Wood

TL;DR
This paper presents the design, implementation, and initial operational experience of the FELIX-based data acquisition system for the single-phase ProtoDUNE liquid argon detector, capable of handling high data rates and real-time processing.
Contribution
It introduces the adaptation of the FELIX readout system for the ProtoDUNE detector, demonstrating its capability to manage large-scale data acquisition with high throughput and real-time event building.
Findings
Successfully handled 96 Gb/s input data rate
Achieved real-time event building at 25 Hz
Demonstrated lossless data compression and transfer over Ethernet
Abstract
Large liquid argon Time Projection Chambers have been adopted for the DUNE experiment's far detector, which will be composed of four 17 kton detectors situated 1.5 km underground at the Sanford Underground Research Facility. This represents a large increase in scale compared to existing experiments. Both single- and dual-phase technologies will be validated at CERN, in cryostats capable of accommodating full-size detector modules, and exposed to low-energy charged particle beams. This programme, called ProtoDUNE, also allows for extensive tests of data acquisition strategies. The Front-End LInk eXchange (FELIX) readout system was initially developed within the ATLAS collaboration and is based on custom FPGA-based PCIe I/O cards, connected through point-to-point links to the detector front-end and hosted in commodity servers. FELIX will be used in the single-phase ProtoDUNE setup to read…
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