CERN Accelerating science

Published Articles
Title	Operational experience with the NA62 Gigatracker
Author(s)	Fiorini, Massimiliano (Ferrara U. ; INFN, Ferrara) ; Chiozzi, Stefano (Ferrara U. ; INFN, Ferrara) ; Cotta Ramusino, A (Ferrara U. ; INFN, Ferrara) ; Gamberini, E (Ferrara U. ; INFN, Ferrara) ; Gianoli, A (Ferrara U. ; INFN, Ferrara) ; Petrucci, Ferruccio (Ferrara U. ; INFN, Ferrara) ; Wahl, H (Ferrara U. ; INFN, Ferrara) ; Aglieri Rinella, Gianluca (CERN) ; Alvarez Feito, D (CERN) ; Bonacini, Sandro (CERN) ; Ceccucci, Augusto (CERN) ; Degrange, Jordan (CERN) ; Kaplon, Jan (CERN) ; Kluge, Alexander (CERN) ; Mapelli, Alessandro (CERN) ; Morel, Michel (CERN) ; Noël, Jérôme (CERN) ; Noy, Matthew (CERN) ; Perktold, Lukas (CERN) ; Perrin-Terrin, Mathieu (CERN) ; Petagna, Paolo (CERN) ; Poltorak, Karolina (CERN) ; Romagnoli, Giulia (CERN) ; Ruggiero, G (CERN) ; Arcidiacono, Roberta (INFN, Turin) ; Biino, Cristina (INFN, Turin) ; Marchetto, Flavio (INFN, Turin) ; Cortina Gil, Eduardo (Louvain U., Inst. Phys. Nucl.) ; Minucci, E (Louvain U.) ; Velghe, Bob (Louvain U.)
Publication	SISSA, 2017
Number of pages	7
In:	PoS Vertex2016 (2017) 009
In:	VERTEX 2016, La Biodola, Italy, 25 - 30 Sep 2016, pp.009
DOI	10.22323/1.287.0009
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN SPS ; NA62
Abstract	The Gigatracker is a hybrid silicon pixel detector developed for the NA62 experiment at CERN, which aims at measuring the branching fraction of the ultra-rare kaon decay K + → π + ν ν at the CERN SPS. The detector has to track particles in a 75 GeV/c hadron beam with a flux reaching 1.3 MHz/mm 2 and provide single-hit timing with better than 200 ps r.m.s. resolution for a total material budget of less than 0.5% X 0 per station. The tracker comprises three 61 × 27 mm 2 stations installed in vacuum (about 10 − 6 mbar) and cooled with liquid C 6 F 14 circulating through micro- channels etched inside few hundred of microns thick silicon plates. Each station is composed of a 200 μ m thick planar silicon sensor bump-bonded to 2 × 5 custom 100 μ m thick ASIC, called TDCpix. Each chip contains 40 × 45 asynchronous pixels, each 300 × 300 μ m 2 and is instrumented with 720 time-to-digital converter channels with 100 ps bin. In order to cope with the high rate, the TDCpix is equipped with four 3.2 Gb/s serializers sending out the data. Detector description, operational experience and results from the NA62 experimental runs will be presented.
Copyright/License	publication: (License: CC-BY-NC-ND-4.0)

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