Dresden 2013 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 62: Halbleiterdetektoren: Forschung und Entwicklung 2

T 62.6: Vortrag

Montag, 4. März 2013, 18:05–18:20, GER-007

Lorentz angle measurement on ATLAS silicon microstrip sensors — Ingrid Maria Gregor¹, Kerstin Tackmann¹, and •Eda Yildirim^1,2 — 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 × 10³⁴cm⁻²s⁻¹ (High-Luminosity LHC) is planned. At the same time, the current ATLAS tracking system which consist of a pixel detector, a strip detector and a 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 future ATLAS silicon microstrip sensors will be presented and first preliminary results will be shown.