Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 68: Detektorsysteme IV

T 68.6: Talk

Wednesday, March 27, 2019, 17:15–17:30, H08

Building a burn-in crate for the end-cap hybrids of the ATLAS ITk silicon strip detector: developping a cooling system and DCS monitoring — •Marianna Liberatore, Ben Brüers, Ingo Bloch, and Priscilla Pani — DESY, Zeuthen, Germany

The current silicon strip tracking detector (SCT) of the ATLAS experiment at CERN, Switzerland, is not suited to handle the track density and radiation levels that will be present at the high lumi phase of the LHC. Hence, ATLAS is currently preparing for the production of a new tracking detector, called the Inner Tracker (ITk). It will consist of a pixel and a strip part. The strip detector will be composed of barrel and end-cap (EC) modules. Modules consist of the strip sensors and several printed circuit flex boards (Hybrids or power-boards) which host the read-out, control and monitoring chips. To reduce the risk of hybrid failure in the finalized ITk detector due to infant mortality, specific tests, burn-in tests, are performed before assembly of the silicon strip modules. In this talk, the design of a burn-in crate for EC hybrids will be presented. In particular, the focus will be brought on the development of a cooling infrastructure for preliminary tests, as well as a first setup for Low Voltage (LV) and temperature monitoring.