Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 53: HK+T Joint Session VIII: Pixel Detectors

HK 53.8: Talk

Thursday, March 30, 2017, 18:45–19:00, F 073

Serial Powering Pixel Stave Prototype for the ATLAS ITk upgrade — •Viacheslav Filimonov, Laura Gonella, Fabian Hügging, and Norbert Wermes — University of Bonn, Bonn, Germany

ATLAS ITk is a new inner tracker that will be built for the Phase II upgrade in order to meet the requirements of increased Luminosity.

One of the main challenges for the ATLAS ITk Phase II Pixel upgrade is low mass efficient power distribution to power detector modules. This requires a powering scheme alternative to the parallel (direct) powering which is currently used. Serial powering scheme has been chosen as the baseline for the ITk pixel system.

The talk will focus on a serially powered pixel stave prototype which has been built with all the components that are needed for current distribution, data transmission, bypassing and redundancy in order to prove the feasibility of implementing serial powering scheme in the ITk. Detailed investigations of the electrical performance of the detector prototype equipped with FE-I4 quad modules will be shown.