Design and implementation of the cosmic ray tagger system for the ICARUS detector at FNAL
Journal of Instrumentation2025Vol. 20(04), pp. T04002–T04002
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Antoni Aduszkiewicz, L. Bagby, B. Behera, P. Bernardini, S. Bertolucci, M. Betancourt, H. S. Budd, T. Boone, A. Campos, D. Casazza, V. Cicero, D. Cherdack, T. E. Coan, L. Degli Esposti, D. Di Ferdinando, L. Di Noto, C. Guandalini, M. Guerzoni, A. Heggestuen, C. Hilgenberg, R. Howell, M. Iliescu, Gianfranco Ingratta, T. Kim, U. Kose, G. Laurenti, C. Mariani, N. Mauri, K. S. McFarland, E. Montagna, A. Montanari, N. Moggi, M. Murphy, L. Pasqualini, V. Paolone, L. Patrizii, G. Pellegrini, V. Pia, Francesco Poppi, M. Pozzato, Alessandro Ruggeri, P. Sala, P. Sapienza, A. Schukraft, G. Sirri, L. Stančo, A. Surdo, M. Tenti, V. Togo, N. Tosi, M. Vicenzi, R.J. Wilson, S. Zucchelli
Abstract
Abstract The ICARUS-T600 Liquid Argon Time Projection Chamber is operating at Fermilab at shallow depth and thus exposed to a high flux of cosmic rays that can fake neutrino interactions. A cosmic ray tagging (CRT) system (∼ 1100 m 2 ), surrounding the cryostat with two layers of fiber embedded plastic scintillators, was developed to mitigate the cosmic ray induced background. Using nanosecond-level timing information, the CRT can distinguish incoming cosmic rays from outgoing particles from neutrino interactions in the TPC. In this paper an overview of the CRT system, its installation and commissioning at Fermilab, and its performance are discussed.