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Timon Heim (LBNL) “Challenges of the ATLAS Phase 2 Tracker Upgrade”
March 9, 2017 @ 4:00 pm - 5:00 pm
For the phase 2 upgrade of the ATLAS experiment at the LHC, its inner detector will be replaced by a new all-silicon tracker, the Inner Tracker (ITk). This upgrade is necessary both because the inner detector will have reached its intended lifetime and to maintain tracking performance of the ATLAS detector under the demands of a 5 to 7 times higher collision rate after the high luminosity upgrade of the LHC. This presentation will give an overview and status of the ITk Strip and Pixel detector. It will highlight one major challenge for each of the detectors: the on-module DC-DC powering circuit of the ITk Strip detector and the 65nm readout chip of the ITk Pixel detector. Furthermore I will present a readout concept which could be used as a base for a common ITk readout software core. This core can operate with multiple hardware platforms and user interfaces, an essential feature for the successful transition from prototyping and production to detector commissioning and operation.