The NA62 GigaTracker

G. Aglieri Rinella, D. Alvarez Feito, R. Arcidiacono, C. Biino, S. Bonacini, A. Ceccucci, S. Chiozzi, E. Cortina Gil, A. Cotta Ramusino, J. Degrange, M. Fiorini, E. Gamberini, A. Gianoli, J. Kaplon, A. Kluge, A. Mapelli, F. Marchetto, E. Minucci, M. Morel, J. NoëlM. Noy, L. Perktold, M. Perrin-Terrin, P. Petagna, F. Petrucci, K. Poltorak, G. Romagnoli, G. Ruggiero, B. Velghe, H. Wahl

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

The GigaTracker is a hybrid silicon pixel detector built for the NA62 experiment aiming at measuring the branching fraction of the ultra-rare kaon decay K+→π+νν¯ at the CERN SPS. The detector has to track particles in a beam with a flux reaching 1.3 MHz/mm2 and provide single-hit timing with 200 ps RMS resolution for a total material budget of less than 0.5% X0 per station. The tracker comprises three 60.8 mm×27 mm stations installed in vacuum (∼10−6mbar) and cooled with liquid C6F14 circulating through micro-channels etched inside a few hundred micron thick silicon plates. Each station is composed of a 200 μm thick silicon sensor read out by 2×5 custom 100 μm thick ASICs, called TDCPix. Each chip contains 40×45 asynchronous pixels, 300 μm×300 μm each and is instrumented with 100 ps bin time-to-digital converters. In order to cope with the high rate, the TDCPix is equipped with four 3.2 Gb/s serialisers sending out the data. We will describe the detector and the results from the 2014 and 2015 NA62 runs.

Lingua originaleInglese
pagine (da-a)147-149
Numero di pagine3
RivistaNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume845
DOI
Stato di pubblicazionePubblicato - 11 feb 2017
Pubblicato esternamente

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