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T: Fachverband Teilchenphysik

T 62: Myondetektoren

T 62.4: Talk

Wednesday, March 21, 2018, 17:20–17:35, Z6 - SR 2.002

High rate studies of the ATLAS MDT chambers in LHC Run-2 — •Nicolas Köhler, Oliver Kortner, Hubert Kroha, and Robert Richter — Max Planck Institut für Physik

In 2017, the Large Hadron Collider for the first time delivered instantaneous luminosities near 2· 10³⁴ cm⁻²s⁻¹, twice the design luminosity. Under the so far highest neutron and γ background fluences in the ATLAS muon spectrometer at this luminosity, the high counting rate behaviour of the ATLAS precision muon tracking chambers, the Monitored Drift Tube (MDT) chambers , has been studied, especially in the inner endcap layer where the background rates are highest. The data are used to obtain new estimates of the limitations for the operation of the chambers under realistic conditions.