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T: Fachverband Teilchenphysik
T 89: Pixel Detectors IV
T 89.3: Vortrag
Donnerstag, 18. März 2021, 16:30–16:45, Tn
High Rate Studies on 2S-Modules for the CMS Tracker Upgrade — •Christina Klauda1, Tobias Barvich1, Alexander Dierlamm1, Ulrich Goerlach2, Ulrich Husemann1, Stefan Maier1, Thomas Müller1, Marius Neufeld1, Andreas Nürnberg1, Rudolf Schimassek1, Hans Jürgen Simonis1, Julian Stanulla1, and Pia Steck1 — 1Institut für Experimentelle Teilchenphysik (ETP), Karlsruher Institut für Technologie (KIT) — 2Institut Pluridisciplinaire Hubert Curien (IPHC)
Starting in 2027 the luminosity of the LHC will be strongly increased. This high luminosity requires the Phase 2 Upgrade of the CMS experiment with improved properties for the new detector components. The outer region of the silicon tracker will consist of so-called 2S Modules. The modules have to meet the requirement of readout trigger rates of up to 750 kHz.
To guarantee a triggered readout at a sufficient rate the 2S Modules will be tested at a dedicated beamline. The setup will be placed at the Cyrcé cyclotron of the IPHC in Strasbourg. Here a bunched proton beam at a frequency of 42.5 MHz is produced, a value close to the bunch crossing rate of 40 MHz at LHC. As a reference for the efficiency measurements a beam telescope setup is necessary. The sensor used for the telescope is the ATLASPix3, which is supposed to reach the required readout rates of at least 750 kHz.
This presentation will briefly introduce the monolithic ATLASPix3 sensor, the telescope setup developed for testing the 2S Modules, and will present the first results.