Münster 2017 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 26: Pixeldetektoren 1
T 26.7: Vortrag
Montag, 27. März 2017, 18:15–18:30, S 2
Study of the ALICE Investigator chip in view of the requirements at CLIC — •Magdalena Munker — CERN — University of Bonn
CLIC is an option for a future linear e+e− collider at CERN in the post-LHC era. The CLIC machine is designed to reach centre-of-mass energies ranging from a few hundred GeV up to 3 TeV. The staging scenario is optimised to explore different physics processes. To achieve high precision measurements, e.g. of the Higgs-width, challenging requirements are imposed on the CLIC detector. A single point tracking resolution of 7 µ m and a material budget of 1 - 2 % X0 per layer are required for the tracker. Moreover, to suppress background hits from beam-beam interactions, a fast time slicing of 10 ns is needed. To address these requirements, a large area silicon tracker is foreseen for the detector at CLIC. In this context, integrated technologies are promising candidates to achieve large scale production and low material budget. The Investigator chip, an integrated HR-CMOS test-chip developed for the ALICE ITS upgrade, has been investigated in various test-beam campaigns in view of the requirements at CLIC. This talk presents results on spacial and timing resolutions, as well as efficiency measurements.