Heidelberg 2022 – scientific programme

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T: Fachverband Teilchenphysik

T 67: Myon Detectors

T 67.5: Talk

Wednesday, March 23, 2022, 17:25–17:40, T-H26

Construction of small-diameter Monitored Drift Tube (sMDT) chambers for the ATLAS Muonspectrometer at the HL-LHC — •Marian Rendel, Daniel Buchin, Alice Reed, Oliver Kortner, Hubert Kroha, Patrick Rieck, and Elena Voevodina — Max-Planck-Institut für Physik (Werner-Heisenberg-Institut)

For the high luminosity upgrade of the Large Hadron Collider, the Monitored Drift Tube (MDT) tracking chambers in the inner barrel layer of the ATLAS muon spectrometer will be replaced by small-diameter Monitored Drift Tube (sMDT) chambers integrated with new thin-gap RPC trigger chambers. The sMDT chambers fit, together with the RPCs, into the very tight available space and provide an order of magnitude higher background rate capability compared to the current MDT chambers.

Since January 2021 the sMDT chamber serial production is proceeding at a steady pace of one chamber every two weeks as planned. In this talk, the sMDT chamber design and the construction procedures will be explained as well as the technology transfer to the second production site at the University of Michigan.