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Würzburg 2018 – scientific programme

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T: Fachverband Teilchenphysik

T 38: Gasgefüllte Detektoren II

T 38.7: Talk

Tuesday, March 20, 2018, 18:00–18:15, Z6 - SR 2.002

Study on the performance of thin-gap RPCs for the ATLAS muon spectrometer upgrade — •Catriona Bruce, Oliver Kortner, and Hubert Kroha — Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), München

Thin-gap resistive plate chambers (RPCs) make excellent muon trigger chambers in high radiation environments. The ATLAS experiment will equip the inner layer of its barrel muon spectrometer with thin-gap RPCs to increase barrel trigger acceptance from 78% to over 95%. The choice of operating voltage impacts the time resolution, spatial resolution, and efficiency and requires careful consideration prior to the final design decision. To this end, a full-sized prototype has been tested in a highly energetic muon beam at CERN. The presentation will summarize the conclusions about operating voltage and consequences for spectrometer performance.

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