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T: Fachverband Teilchenphysik
T 64: Halbleiter 4
T 64.7: Talk
Tuesday, March 25, 2014, 18:15–18:30, P109a
Lorentz angle measurement on ATLAS silicon microstrip sensors — •Eda Yildirim1,2, Kerstin Tackmann1, and Ingrid Maria Gregor1 — 1DESY, Hamburg, Germany — 2Universität Hamburg, Hamburg, Germany
The Large Hadron Collider (LHC) at CERN in Geneva is scheduled to run in its present form until 2021. After that, an upgrade to a higher instantaneous luminosity of 5 × 1034 cm−2s−1 (High-Luminosity LHC) is planned. At the same time, the current ATLAS tracking system which consists of silicon pixel detector, silicon strip detector and transition radiation tracker, will be replaced by an all-silicon tracker (pixels and strips). During High-Luminosity LHC running, they will be subject to high radiation levels. The silicon microstrip detector will have to withstand radiation doses up to 1015 neq/cm−2. As a result of the radiation damage, the Lorentz angle of the strip sensors is expected to change. In this talk, a test beam setup prepared to measure the Lorentz angle of highly irradiated future ATLAS silicon microstrip sensors will be presented and first preliminary results will be shown.