A hardware implementation of Region-of-Interest selection in LAr-TPC for data reduction and triggering

Details A hardware implementation of Region-of-Interest selection in LAr-TPC for data reduction and triggering A hardware implementation of Region-of-Interest selection in LAr-TPC for data reduction and triggering

2010-09-12

arxiv.org/abs/1009.2262v1

JINST 5:P12006,2010

Physics

Instrumentation and Detectors

26 pages, 26 Figure; to be submitted to JINST

Scientific paper

10.1088/1748-0221/5/12/P12006

Large Liquid Argon TPC detectors in the range of multikton mass for neutrino and astroparticle physics require the extraction and treatment of signals from some 105 wires. In order to enlarge the throughtput of the DAQ system an on-line lossless data compression has been realized reducing almost a factor 4 the data flow. Moreover a trigger system based on a new efficient on-line identification algorithm of wire hits was studied, implemented on the actual ICARUS digital read- out boards and fully tested on the ICARINO LAr-TPC facility operated at LNL INFN Laboratory with cosmic-rays. Capability to trigger isolated low energy events down to 1 MeV visible energy was also demonstrated.

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