Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 19: Myondetektoren

T 19.8: Vortrag

Montag, 25. März 2019, 17:50–18:05, ST 3

Testbeam Studies of a Large Micromegas Quadruplet for the ATLAS New Small Wheel Project — •Patrick Scholer, Ulrich Landgraf, and Stephanie Zimmermann — Physikalische Institut, Universität Freiburg

During the current shutdown of the LHC 2019/20, the innermost end cap of the Muon Spectrometer of the ATLAS detector will be replaced by the so called New Small Wheel (NSW). It will use Micro Mesh Gaseous Detectors (Micromegas) and small-strip Thin Gap Chambers (sTGCs) as its detector technologies; both providing a high spatial resolution at high incidence rates of 20 kHz/cm².

One of the first Micromegas detector modules of the NSW series production in combination with the final read-out electronics was studied in a test-beam campaign at the SPS accelerator at CERN last summer. In this talk, results of this test-beam campaign will be presented. The focus will be set on the reconstruction performance of inclined tracks. Different reconstruction methods, e.g. the so called uTPC method that uses the drift gap of the Micromegas detector as time projection chamber, and their application to the obtained data will be presented.