SMuK 2023 – scientific programme

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T: Fachverband Teilchenphysik

T 23: Gas-Detectors / Muon MDT

T 23.4: Talk

Monday, March 20, 2023, 17:15–17:30, WIL/C207

Quality Control in the Construction of new small-diameter Muon Drift Tube (sMDT) Chambers for the ATLAS Muon Spectrometer at the HL-LHC — •Daniel Buchin, Alice Reed, Marian Rendel, Patrick Rieck, Elena Voevodina, Oliver Kortner, and Hubert Kroha — Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), München

In order to improve the muon trigger efficiency and the rate capability of the ATLAS muon detectors for operation at the high luminosity upgrade of the Large Hadron Collider (HL-LHC), the Monitored Drift Tube (MDT) tracking chambers in the inner barrel layer of the ATLAS Muon Spectrometer will be replaced by small-diameter Muon Drift Tube (sMDT) chambers integrated with new thin-gap RPC trigger chambers.

The sMDT chambers are in serial production since January 2021. The serial production involves a stringent quality control program to assure the reliability and high mechanical precision of the chambers. In the talk, this program will be presented. It includes tests of the individual drift tubes and several mechanical measurements on the sMDT chambers. Also, the dedicated quality control database and monitoring web interface will be discussed.