Implementation of the trigger system of the ICARUS-T600 detector at Fermilab.

The ICARUS-T600 liquid argon (LAr) time projection chamber (TPC) detector is currently deployed as a far detector of the Short Baseline Neutrino (SBN) program at Fermilab (USA) to search for a possible LSND-like sterile neutrino signal at Δ m 2 ≈ 1 eV 2 with the Booster (BNB) and Main Injector (NuMI) Neutrino Beams [1]. A global physical event rate of ≈ 0. 6 Hz , including the genuine neutrino interactions in LAr, beam halos and cosmic interactions inside the proton pulse time windows, is expected, roughly corresponding to ≈ 4 PB of data for the total 6. 6 × 1 0 20 protons on target exposure if the full ICARUS-T600 detector is read-out (≈ 200 MB event size). The designed trigger system described here would collect the genuine neutrino interactions with a ≈ 95 % expected efficiency. [ABSTRACT FROM AUTHOR]