The trigger system of the ICARUS experiment for the CNGS beam
M. Antonello, B. Baibussinov, P. Benetti, F. Boffelli, A. Bubak, E., Calligarich, S. Centro, A. Cesana, K. Cieslik, D. B. Cline, A.G. Cocco, A., Dabrowska, D. Dequal, A. Dermenev, R. Dolfini, A. Falcone, C. Farnese, A., Fava, A. Ferrari, G. Fiorillo, D. Gibin, S. Gninenko
TL;DR
This paper describes the trigger system of the ICARUS T600 liquid Argon TPC detector, detailing its design, performance, and effectiveness in capturing neutrino and cosmic ray events during CNGS beam operations.
Contribution
It introduces the trigger system for the ICARUS T600 detector, combining scintillation light, charge signals, and timing to improve event detection efficiency.
Findings
High trigger efficiency across a wide energy range
Effective background suppression achieved
Reliable operation during CNGS data collection
Abstract
The ICARUS T600 detector, with its 470 tons of active mass, is the largest liquid Argon TPC ever built. Operated for three years in the LNGS underground laboratory, it has collected thousands of CNGS neutrino beam interactions and cosmic ray events with energy spanning from tens of MeV to tens of GeV, with a trigger system based on scintillation light, charge signal on TPC wires and time information (for beam related events only). The performance of trigger system in terms of efficiency, background and live-time as a function of the event energy for the CNGS data taking is presented.
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