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The NA62 GigaTracKer: a low mass high intensity beam 4D tracker with 65 ps time resolution on tracksRinella, G. Aglieri; Feito, D. Alvarez; Arcidiacono, R.; Biino, C.; Bonacini, S.; Ceccucci, A.; Chiozzi, S.; Gil, E. Cortina; Ramusino, A. Cotta; Danielsson, H.; Degrange, J.; Fiorini, M.; Federici, L.; Gamberini, E.; Gianoli, A.; Kaplon, J.; Kleimenova, A.; Kluge, A.; Malaguti, R.; Mapelli, A.; Marchetto, F.; Albarrán, E. Martín; Migliore, E.; Minucci, E.; Morel, M.; Noël, J.; Noy, M.; Nüessle, G.; Perktold, L.; Perrin-Terrin, M.; Petagna, P.; Petrucci, F.; Poltorak, K.; Romagnoli, G.; Ruggiero, G.; Velghe, B.; Wahl, H.
Journal of instrumentation, 07/2019, Letnik: 14, Številka: 7Journal Article
The GigaTracKer (GTK) is the beam spectrometer of the CERN NA62 experiment. The detector features challenging design specifications, in particular a peak particle flux reaching up to 2.0 MHz/mm2, a single hit time resolution smaller than 200 ps and, a material budget of 0.5% X0 per tracking plane. To fulfil these specifications, novel technologies were especially employed in the domain of silicon hybrid time-stamping pixel technology and micro-channel cooling. This article describes the detector design and reports on the achieved performance.
